All Wiring Diagrams for Mercedes-Benz R320 2008

AIR CONDITIONING

Automatic A/C Wiring Diagram, with Thermotronic (1 of 3) for Mercedes-Benz R320 2008

List of elements for Automatic A/C Wiring Diagram, with Thermotronic (1 of 3) for Mercedes-Benz R320 2008:

• (+)
• (behind right kick panel) w29/2
• (on blower motor)
• (right front wheelwell) w2
• A/c compressor (left front of engine)
• Ambient temperature display sensor (except 5.0l) (behind left side of front bumper)
• Anst
• Battery compartment prefuse box (under right front seat)
• Booster blower electronic blower controller
• Booster blower motor (under rear of center console)
• C10a
• C12a
• C91
• Can-b h
• Can-b l
• Cockpit fuse box (behind right end of dash)
• Comfort aac pushbutton control module
• Computer data lines system
• Coolant circulation pump (right front of engine compt)
• Diag
• Emissions sensor (right rear corner of engine compt)
• Fuse 100a
• Fuse 10a
• Fuse 15a
• Fuse 40a
• Gnd
• Hot at all times
• Krv
• Lin
• Nca
• Pnk
• Red
• Refrigerant pressure sensor (except 5.0l) (left front of engine compt)
• Sig
• W29/2 (behind right kick panel)
• Wake up
• Zwp

Automatic A/C Wiring Diagram, with Thermotronic (2 of 3) for Mercedes-Benz R320 2008

List of elements for Automatic A/C Wiring Diagram, with Thermotronic (2 of 3) for Mercedes-Benz R320 2008:

• (left side of cargo area) rear air conditioning blower motor
• (left side of cargo area) rear air conditioning coolant shutoff motor
• (on rear blower motor) rear air conditioning blower regulator
• A/c recirculation unit
• Blower motor
• Blower regulator
• Center rear interior temperature sensor (under center floor console)
• Circuit 31 left rear seat voltage distributor connector
• Defroster
• Dew point sensor (under right side of dash, near blower motor)
• Diverter flap actuator motor (center of a/c housing)
• Fresh air/recirculated air flaps actuator motor (right side of a/c housing)
• Fuse 25a
• Heater booster (if equipped) (behind center of dash)
• Hot at all times
• Left blending air flap actuator (left side of a/c housing)
• Left defroster vent flap actuator motor (left side of a/c housing)
• Load compartment fuse & relay box (right rear of cargo area)
• Ms2
• Nca
• Pnk
• Rear air conditioning evaporator temperature sensor (on rear hvac unit)
• Rear headroom ac temperature sensor (above right rear wheelwell)
• Red
• Right blending air flap actuator (right side of a/c housing)
• W/ rear window
• W17/1 (in left rear footwell)
• W29/2 (behind right kick panel)
• W52/7
• W6 (left rear of cargo area)

Automatic A/C Wiring Diagram, with Thermotronic (3 of 3) for Mercedes-Benz R320 2008

List of elements for Automatic A/C Wiring Diagram, with Thermotronic (3 of 3) for Mercedes-Benz R320 2008:

• (-)
• (behind radiator) electric suction fan engine & ac w/ integrated control
• (top center of dash) dual sun sensor
• 3.0l
• 3.5l
• 3rd seat row air distribution actuator motor (on rear a/c unit)
• 3rd seat row blending air flap actuator motor (on rear a/c unit)
• Can-c h
• Can-c l
• Cdi control module (3.0l) (left front of engine compt) me-sfi control module (3.5l) (top center of engine)
• Computer data lines system
• Coolant temperature sensor (3.5l: rear of left cylinder head) (3.0l: top left side of engine)
• Engine compt fuse & relay box (right side of engine compt)
• Evaporator temperature sensor (under left side of dash)
• Front prefuse (right rear of engine compt)
• Fuse 100a
• Fuse 15a
• Ger (or lues)
• Hot at all times
• Hot w/ engine circuit 87 relay energized
• Left center air flap actuator motor (left side of a/c housing)
• Left center outlet temperature sensor (behind center of dash)
• Left footwell flap actuator motor (left side of a/c housing)
• Left footwell temperature sensor (under left center of dash)
• Left side outlet temperature sensor (behind left side of dash)
• Mr1
• Nca
• Pnk
• Rear air distribution flap actuator motor (on booster blower assembly)
• Red
• Right center air flap actuator motor (right side of a/c housing)
• Right center outlet temperature sensor (behind center of dash)
• Right defroster vent flap actuator motor (right side of a/c housing)
• Right footwell flap actuator motor (right side of a/c housing)
• Right footwell temperature sensor (under right center of dash)
• Right side outlet temperature sensor (behind right side of dash)
• Tmot
• W/ rear a/c
• W/o rear a/c
• W2/1 (right front wheelwell)

Automatic A/C Wiring Diagram, without Thermotronic (1 of 2) for Mercedes-Benz R320 2008

List of elements for Automatic A/C Wiring Diagram, without Thermotronic (1 of 2) for Mercedes-Benz R320 2008:

• A/c compressor (left front of engine)
• A/c recirculation unit
• Aac pushbutton control module
• Battery compartment prefuse box (under right front seat)
• Blower motor
• Blower regulator
• C12a
• C91
• Can-b h
• Can-b l
• Cockpit fuse box (behind right end of dash)
• Computer data lines system
• Fresh air/recirculated air flaps actuator motor (right side of a/c housing)
• Fuse 100a
• Fuse 15a
• Fuse 40a
• Gnd
• Heater booster (if equipped) (behind center of dash)
• Hot at all times
• Krv
• Left blending air flap actuator (left side of a/c housing)
• Left defroster vent flap actuator motor (left side of a/c housing)
• Left footwell flap actuator motor (left side of a/c housing)
• Lin
• Nca
• Pnk
• Rear shutoff flap actuator motor (right side of a/c housing)
• Red
• Right blending air flap actuator (right side of a/c housing)
• Sig
• W29/2 (behind right kick panel)
• W52/7
• Wake up
• Zwp

Automatic A/C Wiring Diagram, without Thermotronic (2 of 2) for Mercedes-Benz R320 2008

List of elements for Automatic A/C Wiring Diagram, without Thermotronic (2 of 2) for Mercedes-Benz R320 2008:

• (-)
• (right front wheelwell) w2
• 3.0l
• 3.5l
• Ambient temperature display sensor (except 5.0l) (behind left side of front bumper)
• Can-c h
• Can-c l
• Cdi control module (3.0l) (left front of engine compt) me-sfi control module (3.5l) (top center of engine)
• Center rear interior temperature sensor (under center floor console)
• Computer data lines system
• Coolant circulation pump (right front of engine compt)
• Coolant temperature sensor (3.5l: rear of left cylinder head) (3.0l: top left side of engine)
• Electric suction fan engine & ac w/ integrated control (behind radiator)
• Engine compt fuse & relay box (right side of engine compt)
• Evaporator temperature sensor (under left side of dash)
• Front prefuse (right rear of engine compt)
• Fuse 100a
• Fuse 15a
• Ger (or lues)
• Hot at all times
• Hot w/ engine circuit 87 relay energized
• Left center air flap actuator motor (left side of a/c housing)
• Left center outlet temperature sensor (behind center of dash)
• Left footwell temperature sensor (under left center of dash)
• Left side outlet temperature sensor (behind left side of dash)
• Mr1
• Nca
• Pnk
• Rear air distribution flap actuator motor (on booster blower assembly)
• Red
• Refrigerant pressure sensor (except 5.0l) (left front of engine compt)
• Right center outlet temperature sensor (behind center of dash)
• Right footwell temperature sensor (under right center of dash)
• Right side outlet temperature sensor (behind right side of dash)
• Sun sensor (top center of dash)
• Tmot
• W2/1 (right front wheelwell)
• W29/2 (behind right kick panel)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Mercedes-Benz R320 2008

List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Mercedes-Benz R320 2008:

• (+)
• (-)
• (in left front wheelwell) w70
• (right front corner of engine compt) esp control module
• +5v
• 40a
• Ba mv
• Bas brake booster
• Can-c h
• Can-c l
• Can-h h
• Can-h l
• Computer data lines system
• Dfhl_s
• Dfhr_s
• Dfvl_s
• Dfvr_s
• Diaphragm travel sensor
• Drs s
• Drs(-)
• Drs(5v)
• Early production
• Engine compartment fuse & relay box (right side of engine compt)
• Front axle inlet solenoid valve
• Front axle switchover solenoid valve
• Front prefuse (right rear of engine compt)
• Fuse
• Fuse 25a
• Fuse 5a
• High- pressure & return pump
• Hot at all times
• Hot in on or start
• Late production
• Left front axle solenoid valve (hold)
• Left front axle solenoid valve (release)
• Left rear axle solenoid valve (release)
• Ls1
• Ls2
• Lsa
• Micromechanical turn rate sensor (on floor, under right front seat)
• Mr3
• Mr4
• Pml
• Rear axle switchover solenoid valve
• Red
• Release switch
• Right front axle solenoid valve (release)
• Right rear axle solenoid valve (release)
• Sig
• Solenoid valve
• Solenoid valve (hold) left rear axle
• Solenoid valve (hold) right front axle
• Solenoid valve (hold) right rear axle
• Solenoid valve rear axle inlet
• Sps solenoid valve (if equipped) (in left front wheelwell)
• Traction system hydraulic unit
• W70 (in left front wheelwell)

Anti-lock Brakes Wiring Diagram (2 of 2) for Mercedes-Benz R320 2008

List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Mercedes-Benz R320 2008:

• Abs ind
• Brake fluid & parking brake warning ind
• C11a
• Can b h
• Can b l
• Cockpit fuse box (behind right end of dash)
• Computer data lines system
• Esp brake pressure sensor (on brake master cylinder)
• Esp warning lamp ind
• Front sam control unit (under right front seat)
• Fuse 5a
• Hot at all times
• Instrument cluster
• Left front wheel speed sensor
• Left rear wheel speed sensor
• Nca
• Parking brake indicator switch (above parking brake)
• Rear sam control module (right rear of cargo area)
• Right front brake pad contact sensor (on right front brake assembly)
• Right front wheel speed sensor
• Right rear brake pad contact sensor (on right rear brake assembly)
• Right rear wheel speed sensor
• Voltage distributor connector
• W15/2 (in left front footwell)
• W17 (in right rear footwell)
• W2 (right front wheelwell)
• W29/2 (behind right kick panel)

BODY CONTROL MODULES

Front SAM Control Module Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Front SAM Control Module Wiring Diagram for Mercedes-Benz R320 2008:

• (right front footwell) w15/1
• 49 li
• 49 re
• 56a li
• 56a re
• 56b li
• 56b re
• 58d
• Air conditioning system
• Auxiliary battery
• Battery compartment prefuse box (under right rear footwell)
• Bbv hr
• Bbv vr
• C88
• C89
• C90
• Can-b h
• Can-b l
• Computer data lines system
• Door locks system
• Electronic suspension system
• Exterior lights system
• Fl(+)
• Front sam control unit (under front passenger's seat)
• Fuse 70a
• Headlights system
• Horns system
• Hot at all times
• Instrument cluster system
• Interior lights system
• Pnk
• Power distribution system
• Power windows system
• Red
• Seats system
• Sil
• Sir
• Sra
• Starting/charging system
• Wiper/washer system

Rear SAM Control Module Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Rear SAM Control Module Wiring Diagram for Mercedes-Benz R320 2008:

• (+)
• (-)
• (pins 41 to 50 not used)
• 15r1
• 15r2
• 15z
• 3.bremsl
• 49 hi li
• 49 hi re
• 58 li
• 58i
• 58i/55l
• 58re
• 58re/55r
• Al(+)
• Anti theft system
• Anti-theft system
• Battery compartment prefuse box (under right rear footwell)
• Can-b h
• Can-b l
• Computer data lines system
• Defogger system
• Door locks system
• Engine controls &
• Exterior lights system
• Fuse 60a
• Headlights system
• Horn
• Hot at all times
• Instrument cluster systems
• Interior & exterior lights systems
• Interior lights system
• Kr(+)
• Mhk
• Navigation system
• Pnk
• Power distribution system
• Power windows system
• Rear sam control module (right rear of cargo area)
• Red
• Rf li
• Rf re
• Rwtl
• Seats system
• Tg+l
• Tg+r
• Tg-
• Tig l
• Tig r
• Transmissions system
• W7 (right "d" pillar)
• Wiper/washer system
• Zv-t

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Data Link Connector Wiring Diagram for Mercedes-Benz R320 2008:

• (in left front footwell) w15/2
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Can-d h
• Can-d l
• Central gateway control module (in left front footwell)
• Circuit 31 left footwell voltage distributor connector 1
• Data link connector (below left side of dash)
• Emergency call system control unit (if equipped) (in left rear footwell)
• Fuel pump control module
• Fuse 7.5a
• High/low bus circuit
• Hot at all times
• Load compartment fuse & relay box (right rear of cargo area)
• Red
• Sl1
• Sl2

High/Low Bus Wiring Diagram (1 of 3) for Mercedes-Benz R320 2008

List of elements for High/Low Bus Wiring Diagram (1 of 3) for Mercedes-Benz R320 2008:

• 3.5l
• 5.0l & 5.5l
• Airmatic w/ads control unit (right front footwell)
• C10
• C11
• C12
• C13
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Cdi control module (left front of engine compt)
• Central gateway control module (in left front footwell)
• Eis (ezs) control unit
• Electronic control unit (vgs)
• Esp control module (right front corner of engine compt)
• Headlamp range adjustment control module (w/ xenon) (in right front footwell)
• Instrument cluster
• Intelligent servo module (direct select) (left rear of transmission housing)
• Left front reversible emergency tensioning retractor (if equipped) (base of left "b" pillar)
• Me-sfi control unit (top center of engine)
• Passenger-side voltage distributor (can c) connector
• Rear axle level control system control module (in right front footwell)
• Restraints systems control module (under center console)
• Right front reversible emergency tensioning retractor (if equipped) (base of right "b" pillar)
• Sl1
• Steering column module (top of steering column)
• W/ airmatic
• W/ level control
• W15/1 (in right front footwell)

High/Low Bus Wiring Diagram (2 of 3) for Mercedes-Benz R320 2008

List of elements for High/Low Bus Wiring Diagram (2 of 3) for Mercedes-Benz R320 2008:

• Aac pushbutton control module
• C10
• C11
• Can-b h
• Can-b l
• Cockpit voltage distributor (can) connector
• Comfort aac pushbutton control module
• Electronic compass (if equipped) (behind instrument cluster)
• Front passenger front seat adjustment control module (w/ memory) (under front passenger's front seat)
• Front sam control unit (under right front seat)
• Keyless go control module (if equipped) (right side of cargo area)
• Rcp (hbf) control module
• Rear sam control module (right rear of cargo area)
• Right front door control module (in front of right front door)
• Right voltage distributor (can) connector
• Upper control panel control module
• W/ aac (kla)
• W/ comfort aac (k-kla)
• Wss control unit (weight sensing system) (on right front seat frame)

High/Low Bus Wiring Diagram (3 of 3) for Mercedes-Benz R320 2008

List of elements for High/Low Bus Wiring Diagram (3 of 3) for Mercedes-Benz R320 2008:

• C10
• Can-b h
• Can-b l
• Comand operating, display & control module
• Driver front seat adjustment control module (w/ memory) (under driver front seat)
• Dvd player
• Early production
• Hs (sih), seat ventilation & steering wheel heater control unit (under left seat of 2nd seat row)
• Late production
• Left front door control module (in front of left front door)
• Overhead control panel module
• Pneumatic pump (w/ dynamic seat control)
• Pts control module (if equipped) (under driver's seat)
• Rear end door closing control module (if equipped) (left rear of cargo area)
• Tpm control module (if equipped) (right rear of cargo area)
• Voltage distributor (can c) connector

COOLING FAN

Cooling Fan Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Cooling Fan Wiring Diagram for Mercedes-Benz R320 2008:

• (-)
• (right front wheelwell) w2/1
• 3.0l
• 3.5l
• Can-b h
• Can-b l
• Can-c h
• Can-c l ger (or lues)
• Cdi control module (3.0l) (left front of engine compt) me-sfi control module (3.5l) (top center of engine)
• Comfort aac pushbutton control module (w/ thermotronic) aac pushbutton control module (w/o thermotronic)
• Computer data lines system
• Coolant circulation pump (right front of engine compt)
• Coolant temperature sensor (3.5l: rear of left cylinder head) (3.0l: top left side of engine)
• Electric suction fan engine & ac with integrated control (behind radiator)
• Engine compt fuse & relay box (right side of engine compt)
• Front prefuse (right rear of engine compt)
• Fuse 100a
• Fuse 15a
• Hot at all times
• Hot w/ engine circuit 87 relay energized
• Mr1
• Pnk
• Red
• Tmot
• W2 (right front wheelwell)
• Zwp

CRUISE CONTROL

3.0L TURBO DIESEL

3.0L Turbo Diesel, Cruise Control Wiring Diagram for Mercedes-Benz R320 2008

List of elements for 3.0L Turbo Diesel, Cruise Control Wiring Diagram for Mercedes-Benz R320 2008:

• (+)
• (-)
• (behind right kick panel) w29/2
• (not used)
• (right front wheelwell)
• 13a
• Accel/ set
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Can-c h
• Can-c l
• Can-ch
• Can-cl
• Can-sh
• Can-sl
• Cdi control module (left front of engine compt)
• Cockpit fuse box (behind right end of dash)
• Computer data lines system
• Contact
• Control
• Cruise control switch
• Decel/ set
• Dtr control unit (behind center front bumper)
• Dtr distance potentiometer (if equipped)
• E pwg1
• Engine compartment fuse & relay box (right side of engine compt)
• Fuse 5a
• Fuse 7.5a
• Hot at all times
• Hot in on or start
• M pwg1
• Memory recall
• Mot(+)
• Mot(-)
• Mr4
• Off
• Sig
• Steering column module (top of steering column)
• Throttle valve actuator (right front of engine)
• U pwg1

DEFOGGERS

Heated Mirrors Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Heated Mirrors Wiring Diagram for Mercedes-Benz R320 2008:

• Can-b h
• Can-b l
• Computer data lines system
• Fuse 25a
• Heated mirror
• Hot at all times
• Left electrically adjustable & heated exterior mirror
• Left front door control module (in right front door)
• Load compartment fuse & relay box (right rear of cargo area)
• Nca
• Red
• Right electrically adjustable & heated exterior mirror
• Right front door control module (in left front door)
• Sh(+)
• Sh(-)
• W15/1 (right front footwell)
• W15/2 (left front footwell)

Rear Defogger Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Rear Defogger Wiring Diagram for Mercedes-Benz R320 2008:

• Battery compartment prefuse box (under right rear footwell)
• Fuse 150a
• Fuse 30a
• Heated rear window
• Hot at all times
• Left antenna coil 1
• Left antenna coil 2
• Load compartment fuse & relay box (right rear of cargo area)
• Rear sam control module (right rear of cargo area)
• Rear window defroster relay
• Red
• Right antenna coil
• W8/1 (top left side of tailgate)

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Electronic Power Steering Wiring Diagram for Mercedes-Benz R320 2008:

• (behind right kick panel) w29/2
• (inside steering wheel hub) fanfare horns & airbag clock spring contact
• (under left seat of 2nd seat row) hs (sih), seat ventilation & steering wheel heater control unit
• 13a
• Can h
• Can l
• Cockpit fuse box (behind right end of dash)
• Combination switch
• Computer data lines system
• Cruise control switch
• Diag
• Faf
• Fuse 10a p2
• Fuse 5a
• Gear selector switch direct select
• Gnd
• Heater coil
• Heater coil temp sens
• Hot at all times
• Left multifunction steering wheel pushbutton group
• Left steering wheel gear shifter
• Lhz
• Lin
• Load compartment fuse & relay box (right rear of cargo area)
• Multifunction steering wheel electronics unit (inside steering wheel)
• Nca
• Ntc
• Red
• Right multifunction steering wheel pushbutton group
• Right steering wheel gear shifter
• Steering angle sensor
• Steering column adjustment/steering wheel heater switch
• Steering column module (top of steering column)
• Steering wheel heater
• Steering wheel heater/fanfare horns electronics

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram (1 of 2) for Mercedes-Benz R320 2008

List of elements for Electronic Suspension Wiring Diagram (1 of 2) for Mercedes-Benz R320 2008:

• (-)
• (right front wheelwell) w2
• 87a
• Ablv
• Air compressor motor
• Air suspension compressor relay
• Airmatic compressor unit (behind right side of front bumper)
• Airmatic pressure reduction valve
• Airmatic w/ads control module (in right front footwell)
• Dv1
• Dv2
• Dvv
• Engine compartment fuse & relay box (right side of engine compt)
• Front prefuse (right rear of engine compt)
• Fuse 150a
• Fuse 15a
• Fuse 40a
• Fuse 5a
• Hot at all times
• Hot in run or start
• Left front axle damping valve unit (in left front wheelwell)
• Left front body lateral acceleration sensor (top of left front shock tower)
• Left front level sensor (in left front wheelwell)
• Left front solenoid valve 1
• Left front solenoid valve 2
• Load compartment fuse & relay box (right rear of cargo area)
• Mr1
• Mr2
• Mr3
• Nca
• Pnk
• Red
• Rel
• Right footwell voltage distributor connector
• Right front axle damping valve unit (in right front wheelwell)
• Right front level sensor (in right front wheelwell)
• Right front solenoid valve 1
• Right front solenoid valve 2
• Sig
• W2 (right front wheelwell)
• W9 (behind left headlight assembly)
• Zlv

Electronic Suspension Wiring Diagram (2 of 2) for Mercedes-Benz R320 2008

List of elements for Electronic Suspension Wiring Diagram (2 of 2) for Mercedes-Benz R320 2008:

• (-)
• (top of right front shock tower) right front body lateral acceleration sensor
• (under front passenger's seat) front sam control unit
• Airmatic valve unit (front of right front wheelwell)
• Airmatic w/ads control module (in right front footwell)
• Can-c h
• Can-c l
• Central reservoir charge valve
• Computer data lines system
• Dv1
• Dv2
• Dvv
• Left front valve
• Left rear axle damping valve unit (in left rear wheelwell)
• Left rear level sensor (in left rear wheelwell)
• Left rear solenoid valve 1
• Left rear solenoid valve 2
• Left rear valve
• Nca
• Pnk
• Pnk/red
• Pressure sensor
• Right front valve
• Right rear axle damping valve unit (in right rear wheelwell)
• Right rear level sensor (in right rear wheelwell)
• Right rear solenoid valve 1
• Right rear solenoid valve 2
• Right rear valve
• Sig

ENGINE PERFORMANCE

3.0L DIESEL

3.0L Diesel, Engine Performance Wiring Diagram (1 of 4) for Mercedes-Benz R320 2008

List of elements for 3.0L Diesel, Engine Performance Wiring Diagram (1 of 4) for Mercedes-Benz R320 2008:

• (+)
• (-)
• (left rear of engine compt) w16/3
• 87d1
• 87d2
• 87d3
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Air conditioning system
• Anr
• Can-c h
• Can-c l
• Cdi control module (left front of engine compt)
• Computer data lines system
• Coolant circulation pump relay
• Dds
• E pwg1
• Engine circuit 87 relay
• Engine compartment fuse & relay box (right side of engine compt)
• Fuel pump module relay
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 5a
• Ger
• Hot at all times
• Hot w/ circuit 15 relay energized
• Hrl
• Kpr
• Load compartment fuse & relay box (right rear of cargo area)
• M pwg1
• Mr1
• Mr2
• Mr3
• Mr4
• Pnk
• Pressure differential sensor (w/ soot particulate filter) (on rear of differential)
• Restraints system control module (under center console)
• Starting/charging system
• Transmission oil cooler circulation pump
• U pwg1
• W16/3 (left rear of engine compt)
• Zwp

3.0L Diesel, Engine Performance Wiring Diagram (2 of 4) for Mercedes-Benz R320 2008

List of elements for 3.0L Diesel, Engine Performance Wiring Diagram (2 of 4) for Mercedes-Benz R320 2008:

• (+)
• (-)
• (rear of engine, in exhaust) exhaust back pressure sensor
• (top left front of engine) fuel temperature sensor
• (top left side of engine) coolant temperature sensor
• (top right front of engine) charge air temperature sensor
• Brs
• Cdi control module (left front of engine compt)
• Charge pressure sensor (right front of engine)
• Drv
• Fuel pump (in right side of fuel tank)
• Hfm-1
• Hfm-2
• Inj l
• Kts_s
• Kwg
• Ldf-1
• Lin
• Ls1hk
• Lsh1hk
• Mot(+)
• Nca
• Pressure sensor downstream of air cleaner
• Rail pressure sensor (rear of right fuel rail)
• Rds
• T2_s
• Tag1
• Tag2
• Tmot
• Twc (kat) temperature sensor (in exhaust, right of transmission)
• W17 (in right rear footwell)
• Zme_l

3.0L Diesel, Engine Performance Wiring Diagram (3 of 4) for Mercedes-Benz R320 2008

List of elements for 3.0L Diesel, Engine Performance Wiring Diagram (3 of 4) for Mercedes-Benz R320 2008:

• (in left side engine oil pan) oil level switch
• (not used)
• (top front of engine) glow time output stage 5.zyl
• 1.zyl
• 2.zyl
• 3.zyl
• 4.zyl
• 6.zyl
• Can-b h
• Can-b l
• Check engine mil ind
• Computer data lines system
• Glow plugs
• Instrument cluster
• Left hot film maf sensor
• Lin
• Nca
• O2 sensor 1 upstream twc (kat)
• Red
• Starting/ charging system
• Temperature sensor (diesel particulate filter) (upstream of diesel particulate filter)
• Throttle valve actuator (right front of engine)
• W11

3.0L Diesel, Engine Performance Wiring Diagram (4 of 4) for Mercedes-Benz R320 2008

List of elements for 3.0L Diesel, Engine Performance Wiring Diagram (4 of 4) for Mercedes-Benz R320 2008:

• (+)
• (-)
• (left front of engine) volume control valve
• (left rear of engine) crankshaft hall sensor
• (top left front of engine) pressure regulator valve
• (top of right cylinder bank) camshaft hall sensor
• Cdi control module (left front of engine compt)
• Charge pressure positioner (top rear of engine)
• Drs
• Eka-a
• Fuel filter water level sensor (top center of engine)
• Fuel injectors
• Hfm-0
• Inj h
• Inj l
• Inlet port shutoff motor (top center of engine)
• Khz
• Ldr
• Left exhaust gas recirculation positioner (left rear of engine)
• Lhp
• Ls1
• Ls1p
• Lshk
• Mot(-)
• Ods
• Oil temperature sensor
• Power steering pump pressure regulator valve (lower left front of engine)
• Red
• Right hot film maf sensor
• Sig
• Toel
• Vent line heater element (top center of engine)
• Zme+

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Backup Lamps Wiring Diagram for Mercedes-Benz R320 2008:

• Battery compartment prefuse box (under right front seat)
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Circuit 31 right rear seat voltage distributor connector
• Computer data
• Computer data lines system
• Electric control unit (vgs)
• Fuse 60a
• Hot at all times
• Left backup lamp
• Left taillamp
• Lines system
• Rear sam control module (right rear of cargo area)
• Red
• Rf li
• Rf re
• Right backup lamp
• Right taillamp
• W17 (in right rear footwell)
• W6 (left rear of cargo area)

Exterior Lamps Wiring Diagram (1 of 2) for Mercedes-Benz R320 2008

List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Mercedes-Benz R320 2008:

• (left rear of cargo area) w6
• 3 bremsl
• 49 hi li
• 49hi re
• 58li
• 58re
• Audible turn signal indicator
• Battery compartment prefuse box (under right front seat)
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Center high mounted stop lamp
• Computer data lines system
• Exterior lamp switch
• Fuse 60a
• Fuse 7.5a
• Hazard warning switch
• Headlights system
• Hot at all times
• Hot w/ circuit 15 relay energized
• Indicator lamp
• Instrument cluster
• Kr(+)
• Left rear end door license plate lamp
• Left stop lamp, taillamp, parking lamp & side marker lamp
• Left taillamp
• Left turn signal
• Left turn signal lamp
• Lin
• Load compartment fuse & relay box (right rear of cargo area)
• Pnk
• Rear end door ambient lamp
• Rear sam control module (right rear of cargo area)
• Red
• Right rear end door license plate lamp
• Right turn signal
• Rwlt
• Upper control panel module
• W8 (lower right side of tailgate)

Exterior Lamps Wiring Diagram (2 of 2) for Mercedes-Benz R320 2008

List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Mercedes-Benz R320 2008:

• Battery compartment prefuse box (under right front seat)
• C88
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Circuit 31 right rear seat voltage distributor connector
• Combination switch
• Computer data lines system
• Engine compartment fuse & relay box (right side of engine compt)
• Front sam control unit (under right front seat)
• Fuse 7.5a
• Fuse 70a
• Headlamp flasher/ high beam switch
• Hot at all times
• Hot w/ circuit 15 relay energized
• Left & right turn signal switch
• Left dynamic cornering lamp motor
• Left front headlamp unit
• Left front side marker lamp
• Left standing & parking lamp
• Left turn signal lamp
• Mr3
• Red
• Right dynamic cornering lamp motor
• Right front headlamp unit
• Right front side marker lamp
• Right standing & parking lamp
• Right stop lamp, taillamp, parking lamp & side marker lamp
• Right taillamp
• Right trunk lamp
• Right turn signal lamp
• Steering column module (top of steering column)
• W17 (in right rear footwell)
• W2 (right front wheelwell)
• W29/2 (behind right kick panel)
• W9 (at left headlight unit)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Ground Distribution Wiring Diagram for Mercedes-Benz R320 2008:

• Battery
• Battery compartment prefuse box & ptc heater booster (if equipped)
• Cd changer, booster blower electronic blower controller, front interior socket, upper control panel control module, glove compartment illumination w/ switch, right front footwell lamp, sun sensor, instrument cluster, steering column module, eis (ezs) control unit, left front footwell lamp, ac circulation unit, electronic compass (if equipped), left center air oulet illumination, left air oulet illumination, right center air oulet illumination, right air oulet illumination, aac pushbutton control module & comfort aac pushbutton control module
• Center high mounted stop lamp, rear end door ambient lamp (w/ interior light package), left rear end door license plate lamp, right rear end door license plate lamp, rear end door handle switch & tailgate wiper motor
• Command operating display & control module, dvd player, left vent window obstruction sensor strip, left front reversible emergency tensioning retractor, left rear door entrance & exit lamp, left rear inside door handle illumination (w/ interior light package), left rear door cl motor, rear air conditioning coolant shutoff motor, rear audio control unit, emergency call system control unit, hs (sih), seat ventilation & steering wheel heater control unit, left 2nd row seat heated cushion, right 2nd row seat heated cushion, left 2nd row backrest heated cushion, right 2nd row backrest heated cushion, left rear power window switch, sos pushbutton switch, mb-info & telediagnosis button group, telematics can voltage distributor connector, left 2nd seat row socket, right 2nd seat row socket, circuit 31 left rear seat voltage distributor connector 1 & 3
• Dtr control unit, engine compartment fuse & relay box, right front brake pad contact sensor, left fanfare horn, right fanfare horn, airmatic compressor unit, right front headlamp unit, hcs pump, ata (edw) hood switch & coolant circulation pump
• Electric suction fan engine and ac w/ integrated control
• Esp control module
• Glow time output stage & air pump
• Heated rear window, left antenna coil 1 & left antenna coil 2
• Intelligent servo module for direct select, alarm signal horn, wiper motor, transmission oil cooler circulation pump, cdi control module, me-sfi (me) control module, cylinder 1 ignition coil (except 5.5l), cylinder 2 ignition coil (except 5.5l), cylinder 3 ignition coil (except 5.5l), cylinder 4 ignition coil (except 5.5l), cylinder 5 ignition coil (except 5.5l), cylinder 6 ignition coil (except 5.5l), electric control unit (vgs) & ground connector sleeve
• Interference filter 1
• Left front door entrance & exit lamp, left interior cl (zv) switch, driver door cl motor, left front door control module, front passenger seat adjustment switch, driver seat adjustment switch (if equipped), driver front seat adjustment control module (w/ memory), driver side air bag squib, left rear footwell lamp (w/ interior light package), left front seat heated cushion, left front backrest heated cushion, amplifier for sound system, front passenger lumbar support regulator control unit (if equipped), driver lumbar support regulator control unit (if equipped), driver seat adjustment comfort relay (if equipped), central gateway control module, parking brake indicator switch, data link connector, subwoofer amplifier, pts control module & circuit 31 left footwell voltage distributor connector 1
• Nca
• Overhead control panel control module
• Radio interference suppression capacitor 1, air pump, cylinder 1 ignition coil, cylinder 2 ignition coil & cylinder 3 ignition coil
• Radio interference suppression capacitor 2, cylinder 4 ignition coil, cylinder 5 ignition coil & cylinder 6 ignition coil
• Rear end door closing control module, rear air conditioning blower regulator, multicontour seat pneumatic pump (if equipped), pneumatic pump for dynamic seat control (if equipped) & left taillamp
• Rear sam control module, keyless go control unit, tpm control module & cargo air socket
• Restraint systems control module, passenger side frontal acceleration sensor, driver side frontal acceleration sensor (except 5.0l), driver seat belt buckle & seat belt warning switch, front passenger seat belt buckle & seat belt warning switch, wss control unit (weight sensing system), left side air bag sensor & right side air bag sensor
• Right front door entrance & exit lamp, right interior cl (zv) switch, front sam control unit, passenger side voltage distributor (can c) connector, right front door cl motor, right front door control module, nox control unit downstream of scr catalytic converter (3.5l), nox control unit downstream of diesel particulate filter (3.5l), airmatic w/ ads control unit (if equipped), rear axle level control system control module (if equipped), headlamp range adjustment control module, front passenger seat adjustment switch (if equipped), front passenger front seat adjustment control module (w/ memory), right side air bag ignition squib, right rear footwell lamp (w/ interior light package), right front seat heated cushion, right front backrest heated cushion & circuit 31 right footwell voltage distributor connector
• Right front side marker lamp, left front side marker lamp, right standing & parking lamp, left standing & parking lamp, left front headlamp unit, left fog lamp & right fog lamp
• W10 (under right front seat)
• W11
• W11/4
• W11w1 (5.5l) (rear of right cylinder bank)
• W11w2 (5.5l) (rear of left cylinder bank)
• W15/1 (right front footwell)
• W15/2 (left front footwell)
• W16/3
• W17
• W17/1 (left rear footwell)
• W2 (right front wheelwell)
• W2/1 (right front wheelwell)
• W26 (under front of center console)
• W29/2
• W29/8
• W29/9
• W48/3 (top of right "d" pillar)
• W51/2
• W52/7
• W6 (left rear cargo area)
• W7 (right rear of cargo area)
• W70 (in left front wheelwell)
• W8/1
• W8/2
• W9 (behind left headlight unit)

HEADLIGHTS

Headlights Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Headlights Wiring Diagram for Mercedes-Benz R320 2008:

• (-)
• (in right front wheelwell) (w/o airmatic) right front level sensor
• (right rear of cargo area) rear sam control module
• 56a li
• 56a re
• 56b li
• 56b re
• 58e/55r
• 58i/55l
• Bus
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Circuit 31 right footwell voltage distributor connector
• Circuit 31 right rear seat voltage distributor connector
• Combination
• Computer data lines
• Computer data lines system
• Engine compartment fuse & relay box (right side of engine compt)
• Except 5.0l
• Exterior lamp switch
• Front sam control unit (under right front seat)
• Fuse 5a
• Fuse 7.5a
• Headlamp flasher/ high beam sw
• Headlamp range adjustment control module (in right front footwell)
• High beam indicator
• Hot w/ circuit 15 relay energized
• Hra power module (w/ xenon)
• Instrument cluster
• Left fog lamp
• Left front headlamp unit
• Left headlamp range adjustment motor
• Left high beam
• Left high beam solenoid
• Left low beam
• Left taillamp
• Lin
• Load compartment fuse & relay box (right rear of cargo area)
• Low beam sw
• Mr3
• Rear fog lamp
• Right fog lamp
• Right front headlamp unit
• Right headlamp range adjustment motor
• Right high beam
• Right high beam solenoid
• Right low beam
• Right taillamp
• Sig
• Steering column module (top of steering column)
• Switch
• System
• Upper control panel control module
• W/o
• W15/1 (in right front footwell)
• W17 (in right rear footwell)
• W2 (right front wheelwell)
• W6 (left rear of cargo area)
• W9 (at left headlight unit)
• Xenon
• Xenon headlamp ignition module (w/ xenon)

HORN

Horn Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Horn Wiring Diagram for Mercedes-Benz R320 2008:

• (behind right kick panel) w29/2
• (under right front seat) front sam control unit
• Can c h
• Can c l
• Can-b h
• Can-b l
• Computer data lines system
• Engine compartment fuse & relay box (right side of engine compt)
• Fanfare horn relay
• Fanfare horns & air bag clock spring contact (inside steering wheel hub)
• Fuse 15a
• Hot at all times
• Hot w/ circuit 15 relay energized
• Hs (sih), seat ventilation & steering wheel heater control unit (under left seat of 2nd seat row)
• Left fanfare horn (behind center of front bumper)
• Mr3
• Nca
• Right fanfare horn (behind center of front bumper)
• Steering column module (top of steering column)
• Steering wheel heater/fanfare horns electronics (if equipped)
• W/ customer option
• W/o customer option
• W2 (right front wheelwell)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for Mercedes-Benz R320 2008

List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Mercedes-Benz R320 2008:

• 11a
• 15a
• Abs mil indicator
• Air bag indicator & warning lamp
• Audible turn signal indicator
• Brake fluid & parking brake warning lamp indicator
• Bright instrument & search illumination pushbutton
• Brightness sensor
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Check engine mil indicator
• Circuit 31 left footwell voltage distributor connector 1
• Cockpit fuse box (behind right end of dash)
• Computer data lines system
• Dark instrument & search illumination pushbutton
• Electronic clock
• Electronic compass (behind instrument cluster)
• Electronic speedometer
• Esp warning lamp indicator
• Front sam control unit (under passenger's seat)
• Fuel level & reserve gauge
• Fuel reserve indicator lamp
• Fuse 5a
• Fuse 7.5a
• High beam indicator lamp
• Hot at all times
• Hot in on or start
• Instrument cluster
• Instrument illumination
• Left fuel level sensor (in left side of fuel tank)
• Left turn signal indicator
• Load compartment fuse & relay box (right rear of cargo area)
• Low beam indicator lamp
• Malfunction display indicator
• Nca
• Parking brake indicator switch (top of parking bake assembly)
• Preglow indicator lamp
• Rear sam control unit (right rear cargo area)
• Right fuel level sensor (in right side of fuel tank)
• Right turn signal indicator
• Seat belt reminder lamp
• Tachometer
• Tg+l
• Tg+r
• Tg-
• Tire pressure monitor warning lamp indicator (if equipped)
• Trip odometer reset button
• W15/2 (left front footwell)
• W29/2 (behind right kick panel)
• Warning buzzer

Instrument Cluster Wiring Diagram (2 of 2) for Mercedes-Benz R320 2008

List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Mercedes-Benz R320 2008:

• 13b
• Ata (edw) function indicator lamp
• Automatic child seat recognition airbag off indicator lamp
• Can-b h
• Can-b l
• Cockpit fuse box (behind right end of dash)
• Comfort/sport switch (ads) (if equipped)
• Computer data lines system
• Exterior lamp switch
• Fuse 5a
• Hazard warning system switch
• Hot at all times
• Left front headlamp unit
• Left front hs switch
• Left front seat ventilation switch
• Level adjustment switch
• Lin
• Pts off switch
• Right front headlamp unit
• Right front hs switch
• Right front seat ventilation switch
• Sth switch (w/ stationary heater)
• Transmission mode switch
• Upper control panel control module
• W29/2 (behind right kick panel)

Overhead Console Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Overhead Console Wiring Diagram for Mercedes-Benz R320 2008:

• (+)
• (-)
• (not used)
• 15r
• 1st seat row interior lamp switch
• 1st seat row left interior lamp
• 1st seat row left reading lamp switch
• 1st seat row right interior lamp
• 1st seat row right reading lamp switch
• 58d
• Ambient lamp
• Automatic dimming mirror
• Can-b h
• Can-b l
• Computer data lines system
• Data
• Door contact on/off switch
• Edw
• Fuse 25a
• Garage door opener indicator lamp
• Garage door opener transmitter unit
• Gnd
• H (+)
• H (-)
• H sig 1
• H sig 2
• Hands-free system microphone group
• Hot at all times
• Interior lights system
• Interior rearview mirror unit
• Ki58
• Ld+
• Ld-
• Left reading lamp
• Ll l
• Ll r
• Load compartment fuse & relay box (right rear of cargo area)
• Nca
• Overhead control panel control module
• Pnk
• Power tops system
• Rain/light sensor (center front of roof)
• Rear dome lamp switch
• Red
• Right reading lamp
• Roof switch
• Ta li
• Ta re
• W48/3 (top of right "d" pillar)

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Mercedes-Benz R320 2008

List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Mercedes-Benz R320 2008:

• (+)
• (-)
• (behind right kick panel) w29/2
• (fl+)
• (top of right "d" pillar) w48/3
• 1st seat row interior lamp switch
• 1st seat row left interior lamp
• 1st seat row left reading lamp switch
• 1st seat row right interior lamp
• 1st seat row right reading lamp switch
• 2nd seat row left dome lamp
• 2nd seat row right dome lamp
• 3rd seat row left dome lamp (w/ interior light package)
• Ambient lamp
• Battery compartment prefuse box (under right front seat)
• C88
• Can-b h
• Can-b l
• Circuit 31 left footwell voltage distributor connector 1
• Circuit 31 right footwell voltage distributor connector
• Computer data lines system
• Data
• Door contact on/off switch
• Front sam control unit (under front passenger's seat)
• Fuse 25a
• Fuse 70a
• Gnd
• Hot at all times
• Interior rearview mirror unit
• Ki58
• Left dome lamp
• Left front footwell lamp
• Left front vanity illumination switch
• Left reading lamp
• Left rear footwell lamp
• Left sun visor w/ illuminated mirror
• Ll l
• Ll r
• Load compartment fuse & relay box (right rear of cargo area)
• Nca
• Overhead control panel module
• Reading lamp
• Rear dome lamp switch
• Red
• Right front footwell lamp
• Right front vanity illumination switch
• Right reading lamp
• Right rear footwell lamp
• Right sun visor w/ illuminated mirror
• Ta li
• Ta re
• W15/1 (in right front footwell)
• W15/2 (in left front footwell)

Courtesy Lamps Wiring Diagram (2 of 2) for Mercedes-Benz R320 2008

List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Mercedes-Benz R320 2008:

• (in left front footwell) w15/2
• (in left rear footwell) w17/1
• (in right front footwell) w15/1
• Al(+)
• Battery compartment prefuse box (under right front seat)
• Can-b h
• Can-b l
• Circuit 31 right rear seat voltage distributor connector
• Computer data lines system
• Front passenger power window switch
• Fuse 60a
• Gnd
• Hot at all times
• Ki 58
• Ki.58
• Kr(+)
• Left front door control module (in front of left front door)
• Left front door entrance & exit lamp
• Left front door inside handle illumination (w/ interior light package)
• Left interior cl [zv] switch
• Left rear door entrance & exit lamp
• Left rear inside door handle illumination (w/ interior package)
• Nca
• Rear end door ambient lamp (w/ interior package)
• Rear sam control module (right rear of cargo area)
• Red
• Right front door control module (in front of right front door)
• Right front door entrance & exit lamp
• Right front door inside handle illumination (w/ interior light package)
• Right interior cl [zv] switch
• Right rear door entrance & exit lamp
• Right rear door inside handle illumination (w/ interior package)
• Right trunk lamp
• Rwtl
• Tig_l
• Tig_r
• W17 (in right rear footwell)
• W17/1 (in left rear footwell)
• W8 (lower right side of tailgate)

Instrument Illumination Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Instrument Illumination Wiring Diagram for Mercedes-Benz R320 2008:

• (+)
• (in right rear footwell) w17
• 2nd seat row cup holder illumination (w/ interior package)
• 3rd seat row cup holder illumination
• 58d
• Battery compartment prefuse box (under right front seat)
• Bright instrument & search illumination push button
• Brightness sensor
• C88
• Can-b h
• Can-b l
• Circuit 31 right rear seat voltage distributor connector
• Computer data lines system
• Cup holder 1 illum
• Cup holder 2 illum
• Dark instrument & search illumination push button
• Exterior lamp switch
• Front armrest folding compartment illumination (w/ interior package)
• Front center console cup holder illumination (w/ interior package)
• Front cigar lighter (w/ ashtray illumination)
• Front sam control unit (under right front seat)
• Fuse 5a
• Fuse 7.5a
• Fuse 70a
• Glove compartment illumination w/ switch
• Headlights system
• Hot at all times
• Hot w/ circuit 15r relay energized
• Instrument cluster
• Instrument illumination
• Left air outlet illumination
• Left center air outlet illumination
• Lin
• Load compartment fuse & relay box (right rear of cargo area)
• Rear center console illumination
• Rear center console illumination 2
• Red
• Right air outlet illumination
• Right center air outlet illumination
• Upper control panel module
• W29/2 (behind right kick panel)
• Wake-up signal/circuit 58d voltage distributor connector

MEMORY SYSTEMS

Driver"s Memory Seat Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Driver"s Memory Seat Wiring Diagram for Mercedes-Benz R320 2008:

• (+)
• (-)
• (left front footwell) w15/2
• Can-b h
• Can-b l
• Computer data lines system
• Driver backrest angle adjustment motor (in driver's front seat back)
• Driver front seat adjustment control module (under driver's front seat)
• Driver front seat height adjustment motor (under driver's front seat)
• Driver head restraint motor (in driver's front seat back)
• Driver rear seat height adjustment motor (under driver's front seat)
• Driver seat external power feed separation point
• Driver seat fore/aft adjustment motor (under driver's front seat)
• Driver seat w/ memory adjustment switch group
• Fuse 30a
• H (+)
• H (-)
• Hoch
• Hot at all times
• Left front dynamic seat control module
• Left front dynamic switch
• Left front lumbar support adjustment switch
• Left front multicontour backrest switch group
• Left front pulse switch
• Left front seat cushion fore/ aft adjustment switch
• Left front side bolsters adjustment switch
• Load compartment fuse & relay box (right rear of cargo area)
• Pnk
• Red
• Steering column memory circuit
• Tief
• Vor
• Zur

Passenger"s Memory Seat Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Passenger"s Memory Seat Wiring Diagram for Mercedes-Benz R320 2008:

• (+)
• (-)
• (h+)
• Can-b h
• Can-b l
• Computer data lines system
• Front passenger backrest angle adjustment motor (in passenger's front seat back)
• Front passenger front seat adjustment control module (under front passenger's front seat)
• Front passenger front seat height adjustment motor (under passenger's front seat)
• Front passenger head restraint motor (in passenger's front seat back)
• Front passenger rear seat height adjustment motor (under passenger's front seat)
• Front passenger seat fore/aft adjustment motor (under passenger's front seat)
• Front passenger seat w/ memory adjustment switch group
• Fuse 30a
• H(+)
• H(-)
• Hoch
• Hot at all times
• Load compartment fuse & relay box (right rear of cargo area)
• Pnk
• Red
• Right front dynamic seat control module
• Right front dynamic switch
• Right front lumbar support adjustment switch
• Right front multicontour backrest switch group
• Right front pulse switch
• Right front seat cushion fore/ aft adjustment switch
• Right front side bolsters adjustment switch
• Tief
• Vor
• W15/1 (right front footwell)
• Zur

Steering Column Memory Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Steering Column Memory Wiring Diagram for Mercedes-Benz R320 2008:

• (+)
• (-)
• (left front footwell) w15/2
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Driver front seat adjustment control module (under driver's front seat)
• Driver seat w/
• Fuse 30a
• H (+)
• H (-)
• Hoch
• Hot at all times
• Load compartment fuse & relay box (right rear of cargo area)
• Memory adjustment
• Raise/lower & forward/ backward switch
• Red
• Steering column adjustment/ steering wheel heater switch
• Steering column forward/back motor (on steering column)
• Steering column module (top of steering column)
• Steering column raise/lower motor (on steering column)
• Switch group
• Vor

NAVIGATION

COMAND Actuation Wiring Diagram for Mercedes-Benz R320 2008

List of elements for COMAND Actuation Wiring Diagram for Mercedes-Benz R320 2008:

• (-)
• (top of left "d" pillar) w29/8
• (w/o sound system)
• 3b zf
• 3c ant
• Ant
• Antenna
• Aux l
• Aux r
• Backup camera circuit
• C1 sig
• Can-b h
• Can-b l
• Circuit 31 left rear seat voltage distributor connector 1
• Comand operating display & control module
• Computer data lines system
• Emergency call system control unit (in left rear footwell)
• Fm rear window antenna amplifier (left side of tailgate)
• Fuse 20a
• Fuse 5a
• Gnd
• Gps
• Gps antenna splitter (left rear footwell)
• Hl (+)
• Hl (-)
• Hot at all times
• Hr (+)
• Hr (-)
• Interference filter 1 (top center of tailgate)
• Left front door speaker
• Left front door tweeter
• Left rear door speaker
• Left rear door tweeter
• Load compartment fuse & relay box (right rear of cargo area)
• Most in
• Most out
• Mute
• Nca
• Nf l
• Nf r
• Pnk
• Rear audio control unit (if equipped)
• Rear sam control module (right rear of cargo area)
• Red
• Right front door speaker
• Right front door tweeter
• Right rear door speaker
• Right rear door tweeter
• Roof antenna module (center rear of roof)
• Shield
• Sig
• Sound systems
• Vl (+)
• Vl (-)
• Vr (+)
• Vr (-)
• W/ rear entertainment
• W/o sound system
• W17/1 (left rear footwell)
• Wake up
• Walkman separation point

Emergency Call Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Emergency Call Wiring Diagram for Mercedes-Benz R320 2008:

• (not used)
• 15r
• Ant
• Can-d h
• Can-d l
• Center cockpit speaker (centerfill)
• Circuit 31 left rear seat voltage distributor connector
• Comand operating display & control module (w/o sound system) sound system amplifier (w/ sound system) (sound system amplifier: under driver's seat)
• Computer data lines system
• Crash
• Ctel antenna
• Ec led
• Ecs
• Emergency call system control unit (in left rear footwell)
• Front sam control module (under front passenger's seat)
• Fuse 10a 5a
• Fuse 5a
• Gps antenna
• Gps antenna splitter (in left rear footwell)
• Hands-free system microphone group
• Hot at all times
• Hot w/ circuit 15r relay energized
• Ic led
• Ics
• Load compartment fuse & relay box (right rear of cargo area)
• Lsp +
• Lsp -
• Mb-info & telediagnosis button group
• Mic 1
• Mic gnd
• Mute
• Nca
• Pnk
• Red
• Restraint systems control module (under center console)
• Roof antenna module (center rear of roof)
• Sos pushbutton switch
• Tdc led
• Tele aid antenna
• Tele aid spare antenna (left side of cargo area)
• Universal portable ctel interface (upci (uhi)) control module (under right seat of 2nd seat row)
• W/ sound system w/o sound system
• W/ upci (uhi) (universal portable ctel interface)
• W/o upci (uhi) (universal portable ctel interface)
• W17/1 (left rear footwell)
• Wake-up signal/ circuit 58d voltage distributor connector
• X18/2

Parktronic Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Parktronic Wiring Diagram for Mercedes-Benz R320 2008:

• (+) sh
• (+) sv
• (-) sh
• (-) sv
• Can b h
• Can b l
• Can-b h
• Can-b l
• Center left front pts ultrasonic sensor (left side of front bumper)
• Center right front pts ultrasonic sensor (right side of front bumper)
• Circuit 31 left footwell voltage distributor connector 1
• Computer data lines system
• Data
• Fuse 5a
• Hot at all times
• Inner left front pts ultrasonic sensor (left center of front bumper)
• Inner left rear pts ultrasonic sensor (left side of rear bumper)
• Inner right front pts ultrasonic sensor (right center of front bumper)
• Inner right rear pts ultrasonic sensor (right side of rear bumper)
• Instrument panel driver side pts warning display
• Load compartment fuse & relay box (right rear of cargo area)
• Nca
• Outer left front pts ultrasonic sensor (left corner of front bumper)
• Outer left rear pts ultrasonic sensor (left corner of rear bumper)
• Outer right front pts ultrasonic sensor (right corner of front bumper)
• Outer right rear pts ultrasonic sensor (right corner of rear bumper)
• Pnk
• Pts control module (under driver's seat)
• Pts off switch
• Rear dome lamp pts warning display
• Red
• S1 v
• S10 h
• S2 v
• S3 v
• S4 v
• S5 v
• S6 v
• S7 h
• S8 h
• S9 h
• Upper control panel control module
• W15/2 (left front footwell)

Rear Camera Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Rear Camera Wiring Diagram for Mercedes-Benz R320 2008:

• (-)
• Aux l
• Aux r
• Backup camera
• Circuit 31 left rear seat voltage distributor connector 2
• Comand operating, display & control module
• Dvd player (w/ rear entertainment)
• Exterior lights system
• Fuse 10a
• Hot at all times
• Load compartment fuse & relay box (right rear of cargo area)
• Nca
• Shield
• Video gnd
• Video out
• W/ rear entertainment
• W/o rear entertainment
• W17 (in right rear footwell)

Voice Activation Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Voice Activation Wiring Diagram for Mercedes-Benz R320 2008:

• (not used)
• Circuit 31 left rear seat voltage distributor connector (2)
• Emergency call system control unit (in left rear footwell)
• Fuse 5a
• Gnd
• Hands-free system microphone group
• Hot at all times
• Load compartment fuse & relay box (right rear of cargo area)
• Mic 1
• Mic 3
• Mic gnd
• Mic out
• Most in
• Most out
• Nca
• Pnk
• Sound systems
• Voice control system (vcs (sbs)) control unit
• W17 (in right rear footwell)
• Wake up

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Mercedes-Benz R320 2008

List of elements for Power Distribution Wiring Diagram (1 of 3) for Mercedes-Benz R320 2008:

• (not used)
• (right rear of cargo area) load compartment fuse & relay box
• 87a
• Ac recirculation unit
• Airmatic w/ ads control unit (w/ airmatic) rear axle level control system control unit (if equipped)
• Battery
• Battery compartment prefuse box (under right front seat)
• Booster blower electronic blower controller
• C10a
• C10b
• C11a
• C11b
• C12a
• C12b
• C13a
• C13b
• C14a
• C14b
• C15a
• C15b
• C5e
• C78
• C79
• C80
• C81
• C83
• C84
• C85
• C86
• C87
• C88
• C89
• C90
• C91
• Cd changer
• Circuit 15r relay
• Circuit 31 right rear seat voltage distributor connector
• Circuit relay
• Circuit right rear seat voltage distribution connector
• Cockpit prefuse box (behind right end of dash)
• Comfort aac pushbutton control module (if equipped) aac pushbutton control module (if equipped)
• Driver neck- pro head restraint solenoid (if equipped)
• Electronic compass
• Emergency call system control unit (if equipped)
• Engine compartment fuse & relay box (right side of engine compt)
• Front cigar lighter (w/ ashtray illumination)
• Front passenger neck-pro head restraint solenoid (if equipped)
• Front sam control module
• Front sam control unit
• Fuel pump control module (3.5l)
• Fuse (3.5l) 150a
• Fuse 100a
• Fuse 10a
• Fuse 150a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse 60a
• Fuse 7.5a
• Fuse 70a
• Glove compartment illumination switch
• Headlamp range adjustment control module (w/ xenon headlamps)
• Ill
• Instrument cluster
• Instrument cluster & exterior lamp switch
• Interior lights system
• Left front reversible emergency tensioning retractor (if equipped)
• Media interface control unit (if equipped)
• Mr1
• Pnk
• Ptc heater booster (w/ heater booster)
• Rear sam control module
• Rear wiper relay
• Red
• Restraint systems control module
• Right front reversible emergency tensioning retractor (if equipped)
• Socket circuit 15r relay
• Steering column module
• Tailgate wiper motor
• To dc/ac converter control unit (diagram 3 of 3)
• To eis (ezs) control unit (diagram 3 of 3)
• To engine compartment fuse & relay box (diagram 3 of 3)
• To front prefuse (diagram 3 of 3)
• To fuse 48 (diagram 2 of 3)
• Upper control panel control module
• W/ interior light package
• W/o interior light package
• W17 (in right rear footwell)
• W17/1 (in left rear footwell)
• Wiper on/off relay
• Wss control unit (weight sensing system)

Power Distribution Wiring Diagram (2 of 3) for Mercedes-Benz R320 2008

List of elements for Power Distribution Wiring Diagram (2 of 3) for Mercedes-Benz R320 2008:

• (diagram 2 of 3)
• (not used)
• (right rear of cargo area)
• 87a
• Airmatic w/ ads control unit (if equipped) rear axle level control system control unit (if equipped)
• Amplifier for sound system
• Cargo area socket
• Central gateway control module
• Comand operating, display & control module
• Data link connector
• Driver front seat adjustment control module & (w/ memory) driver seat adjustment comfort relay (w/o memory)
• Emergency call system control unit (if equipped)
• From c socket circuit 15r relay digram (1 0f 3)
• From e fuse 36 diagram (2 0f 3)
• From spare 2 relay f
• Front interior socket (usa)
• Front passenger seat adjustment control module & (w/ memory) front passenger seat adjustment comfort relay (w/o memory)
• Fuel pump control module (3.5l)
• Fuel pump module relay
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse 7.5a
• Hs (sih), seat ventilation & steering wheel heater control unit (if equipped)
• Hs (sih), seat ventilation & steering wheel heater control unit (w/ steering wheel heater)
• Interference filter 1
• Keyless go control unit (if equipped)
• Left front door control module
• Left front reversible emergency tensioning retractor (if equipped)
• Load compartment fuse & relay box
• Ms1
• Ms2
• Ms3
• Ms4
• Ms5
• Multicontour seat pneumatic pump (if equipped) pneumatic pump for dynamic seat control (if equipped)
• Overhead control panel module
• Pnk
• Pts control module (if equipped)
• Rcp (hbf) control module
• Rear air conditioning blower motor (if equipped)
• Rear audio control unit (early production) dvd player (late production)
• Rear sam control module
• Rear window defroster relay
• Rear-end door closing control module (if equipped)
• Red
• Right 2nd seat row socket
• Right front door control module
• Right front reversible emergency tensioning retractor (if equipped)
• Sdar control unit (early production) high definition tuner control unit (late production)
• Spare 1 relay (changeover contact)
• Spare 2 relay
• To 115v socket (diagram 3 of 3)
• To fuse 32 (digram (2 of 3)
• To fuse 69 (digram (2 of 3)
• Tpm control module (if equipped)
• Trailer circuit 30 relay
• Trailer circuit 30x relay
• Universal portable ctel interface (upci (uhi)) control module (if equipped)
• Voice control system (vcs (sbs)) control unit
• W17/1 (in left rear footwell)
• W29/2 (behind right kick panel)
• W7 (right rear of cargo area)

Power Distribution Wiring Diagram (3 of 3) for Mercedes-Benz R320 2008

List of elements for Power Distribution Wiring Diagram (3 of 3) for Mercedes-Benz R320 2008:

• (left rear of transmission housing) intelligent servo module for direct select
• (not used)
• (rear of driver door) driver door cl motor
• (right rear of cargo area) rear sam control module
• (right side of engine compt) engine compartment fuse & relay box
• 115v socket
• 3.5l
• Air pump relay
• Air suspension compressor relay
• Auxiliary battery
• C123
• C124
• Can b h
• Can b l
• Can c h
• Can c l
• Cdi control module
• Circuit relay
• Computer data lines system
• Coolant circulation pump relay (not used)
• Dc/ac converter control unit (115v socket)
• Diagram (3 of 3)
• Dtr control unit
• Eis (ezs) control module
• Electric control unit (vgs)
• Electric suction fan engine & a/c w/ integrated control
• Engine circuit relay
• Esp control module
• Fanfare horn relay
• From battery (diagram (1 of 3)
• From battery compartment prefuse box (diagram 1 of 3)
• From cockpit prefuse box (diagram 1 of 3)
• From fuse 109 h
• From fuse 112 j diagram (3 of 3)
• From load compartment fuse & relay box (diagram 1 of 3)
• From load compartment fuse & relay box (diagram 2 of 3)
• Front prefuse (right rear of engine compt)
• Front sam control unit
• Fuse 100a
• Fuse 10a
• Fuse 150a (or 100a)
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse 7.5a
• Generator
• If equipped
• Intelligent servo module for direct select
• Ism
• Left front headlamp unit
• Me-sfi (me) control module
• Mr1
• Mr2
• Mr3
• Mr4
• Pnk
• Red
• Reserve fuse
• Right front headlamp unit
• Starter relay
• To fuse 121 diagram (3 of 3)
• To fuse diagram (3 of 3)
• W/ customer option
• W/o customer option
• W2 (behind right headlight)
• W29/2 (behind right kick panel)
• Wiper level 1/2 relay
• Wiper on/off relay

POWER DOOR LOCKS

Automatic Door Locks Wiring Diagram (1 of 2) for Mercedes-Benz R320 2008

List of elements for Automatic Door Locks Wiring Diagram (1 of 2) for Mercedes-Benz R320 2008:

• (in left front footwell) w15/2
• (in right front footwell) w15/1
• (under front passenger's seat) front sam control unit
• Can-b h
• Can-b l
• Can-b-h
• Can-b-l
• Cnd
• Computer data lines system
• Driver open & closed switch (w/ automatic rear end door)
• Front passenger power window switch
• Fuse 25a
• Gnd
• Gnd or ir-
• Horns system
• Hot at all times
• Ir data
• Ir+
• K158
• Kl58
• Left front door cl motor (rear of left front door)
• Left front door control module (in front of left front door)
• Left front door entrance & exit lamp
• Left front door inside handle illumination
• Left front ir receiver
• Left front keyless go door handle
• Left interior cl (zv) switch
• Load compartment fuse & relay box (right rear of cargo area)
• Nca
• Red
• Right front door cl motor (rear of right front door)
• Right front door control module (in front of right front door)
• Right front door entrance & exit lamp
• Right front door inside handle illumination
• Right front keyless go door handle (w/ keyless go)
• Right interior cl (zv) switch
• Sig 1
• Sig 2
• W/keyless go w/o ir remote control
• W/o keyless go w/ ir remote control

Automatic Door Locks Wiring Diagram (2 of 2) for Mercedes-Benz R320 2008

List of elements for Automatic Door Locks Wiring Diagram (2 of 2) for Mercedes-Benz R320 2008:

• Ata (edw) hood switch (right front of engine compt)
• Auf
• Bel
• Can b l
• Can-b h
• Can-b l
• Can-b-h
• Can-b-l
• Computer data lines system
• Door contact on & off switch
• Eks1
• Eks2
• Fuse 40a
• Hot at all times
• Left rear end door closing obstruction sensor strip (in left "d" pillar)
• Load compartment fuse & relay box (right rear of cargo area)
• Mhk
• Nca
• Overhead control panel module
• Rear door hydraulic pump (left rear of cargo area)
• Rear end door closing control module (left rear of cargo area)
• Rear end door closing warning buzzer (left side of tailgate)
• Rear end door opening angle recognition sensor
• Rear sam control module (right rear of cargo area)
• Red
• Right rear end door closing obstruction sensor strip (in right "d" pillar)
• Rwt
• Rwts button
• Sig
• W2 (right front wheelwell)
• W6 (left rear of cargo area)

Keyless Go System Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Keyless Go System Wiring Diagram for Mercedes-Benz R320 2008:

• (or nca)
• Ant
• Can-b h
• Can-b l
• Cockpit keyless go antenna (under front of center floor console)
• Computer data lines system
• Fuse 25a
• Gnd
• Hot at all times
• Interior keyless go antenna (center rear of floor)
• Keyless go control module (right rear of cargo area)
• Keyless go left rear door antenna (in left rear door)
• Keyless go right rear door antenna (in right rear door)
• Keyless go trunk antenna (left side of tailgate)
• Left front keyless go door handle
• Left rear keyless go door handle
• Load compartment fuse & relay box (right rear of cargo area)
• Nca
• Red
• Right front keyless go door handle
• Right rear keyless go door handle
• Roof antenna module (center rear of roof)
• W7 (right rear of cargo area)

POWER MIRRORS

Automatic Day/Night Mirror Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Automatic Day/Night Mirror Wiring Diagram for Mercedes-Benz R320 2008:

• 15r
• 58d
• Ambient lamp
• Automatic dimming mirror
• Can-b h
• Can-b l
• Computer data lines system
• Data
• Fuse 25a
• Garage door opener indicator lamp
• Hands-free system microphone group
• Hot at all times
• Il l
• Il r
• Interior rearview mirror unit
• Left reading lamp
• Load compartment fuse & relay box (right rear of cargo area)
• Overhead control panel control module
• Pnk
• Rain/light sensor (center front of roof)
• Red
• Right reading lamp
• W48/3 (top of right "d" pillar)

Power Mirror Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Power Mirror Wiring Diagram for Mercedes-Benz R320 2008:

• (+)
• (-)
• (left front footwell) w15/2
• (right front footwell) w15/1
• Automatic dimming mirror
• Can-b h
• Can-b l
• Close vent window switch
• Computer data lines system
• Defogger system
• Driver power window & outside mirror adjustment switch group
• Exterior lights system
• Exterior mirror fold in/ fold out switch
• Fuse 25a
• Gnd
• Hot at all times
• Interior lights system
• Left electrically adjustable & heated exterior mirror
• Left exterior mirror turn signal lamp
• Left front door control module (in left front door)
• Left front power window switch
• Left outside mirror adjustment selection switch
• Left outside mirror ambient lamp
• Left rear power window switch
• Load compartment fuse & relay box (righ rear of cargo area)
• Mirror fold in motor
• Mirror heater
• Mirror in/out motor
• Mirror up/down motor
• Nca
• Open vent window switch
• Outside mirror adjustment rocker switch
• Rear side windows child safety lock switch
• Red
• Right electrically adjustable & heated exterior mirror
• Right exterior mirror turn signal lamp
• Right front door control module (in right front door)
• Right front power window switch
• Right outside mirror adjustment selection switch
• Right outside mirror ambient lamp
• Right rear power window switch

POWER SEATS

Adjustable Pedal Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Adjustable Pedal Wiring Diagram for Mercedes-Benz R320 2008:

• Driver backrest angle adjustment motor (in driver's front seat back)
• Driver front seat height adjustment motor (under driver's front seat)
• Driver rear seat height adjustment motor (under driver's front seat)
• Driver seat adjustment comfort relay (under driver's seat)
• Driver seat adjustment switch
• Driver seat fore/aft adjustment motor (under driver's front seat)
• Front passenger backrest angle adjustment motor (in front passenger's front seat back)
• Front passenger front seat height adjustment motor (under front passenger's front seat)
• Front passenger rear seat fore/aft adjustment motor (under front passenger's front seat)
• Front passenger rear seat height adjustment motor (under front passenger's front seat)
• Front passenger seat adjustment comfort relay (under front passenger's seat)
• Front passenger seat adjustment switch
• Fuse 30a
• Hoch
• Hot at all times
• Load compartment fuse & relay box (right rear of cargo area)
• Rear sam control module (right rear of cargo area)
• Tief
• Vor
• W15/1 (right front footwell)
• W15/2 (left front footwell)
• Zur

Heated Steering Wheel Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Heated Steering Wheel Wiring Diagram for Mercedes-Benz R320 2008:

• (behind right kick panel) w29/2
• (top of steering column) steering column module
• (under left seat of 2nd seat row) hs (sih), seat ventilation & steering wheel heater control unit
• 13a
• Can b h
• Can b l
• Can h
• Can l
• Cockpit fuse box (behind right end of dash)
• Computer data lines system
• Diag
• Faf
• Fanfare horns & airbag clock spring contact
• Fuse 10a p2
• Fuse 5a
• Gnd
• Heater coil
• Heater coil temp sens
• Hot at all times
• Lhz
• Load compartment fuse & relay box (right rear of cargo area)
• Multifunction steering wheel electronics unit (inside steering wheel)
• Nca
• Ntc
• Red
• Steering column adjustment/steering wheel heater switch
• Steering wheel heater
• Steering wheel heater function indicator lamp
• Steering wheel heater switch
• Steering wheel heater/fanfare horns electronics

Ventilation & Heated Seat Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Ventilation & Heated Seat Wiring Diagram for Mercedes-Benz R320 2008:

• Can b h
• Can b l
• Can-b h
• Can-b l
• Circuit 31 left footwell voltage distributor connector 1
• Circuit 31 left rear seat voltage distributor connector 3
• Circuit 31 right footwell voltage distributor connector
• Computer data lines system
• Front sam control unit (under front passenger's seat)
• Fuse 10a
• Fuse 25a
• Hot at all times
• Hs (sih), seat ventilation & steering wheel heater control unit (under left seat of 2nd seat row)
• Left 2nd row backrest heated cushion
• Left 2nd row seat heated cushion
• Left front hs switch
• Left front seat backrest ventilation motor group (in left front seat back)
• Left front seat cushion ventilation motor group (in left front seat cushion)
• Left front seat heated cushion
• Left front seat ventilation blower regulator (in left front seat back)
• Left front seat ventilation switch
• Lhz
• Load compartment fuse & relay box (right rear of cargo area)
• Ms3
• Nca
• Pnk
• Red
• Right 2nd row backrest heated cushion
• Right 2nd row seat heated cushion
• Right front backrest heated cushion
• Right front hs switch
• Right front seat backrest ventilation motor group (in right front seat back)
• Right front seat cushion ventilation motor group (in right front seat cushion)
• Right front seat heated cushion
• Right front seat ventilation blower regulator (in right front seat back)
• Right front seat ventilation switch
• Sig
• Sil
• Sir
• Steering column module (if equipped) (top of steering column)
• Upper control panel control module
• W/ steering wheel heater
• W15/1 (right front footwell)
• W15/2 (left front footwell)
• W17/1 (left rear footwell)

Weight Sensing System Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Weight Sensing System Wiring Diagram for Mercedes-Benz R320 2008:

• Battery compartment prefuse box (under right front seat)
• C83
• Can b h
• Can b l
• Computer data lines system
• Data
• Fuse 5a
• Hot at all times
• Left front wss sensor (weight sensing system) (under left front corner of front passenger's seat)
• Left rear wss sensor (weight sensing system) (under left rear corner of front passenger's seat)
• Red
• Right front wss sensor (weight sensing system) (under right front corner of front passenger's seat)
• Right rear wss sensor (weight sensing system) (under right rear corner of front passenger's seat)
• W26 (under front of center console)
• Wss control unit (weight sensing system) (on right front seat frame)

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Power Top/Sunroof Wiring Diagram for Mercedes-Benz R320 2008:

• Can-b h
• Can-b l
• Computer data lines system
• Fuse 25a
• H (+)
• H (-)
• H sig 1
• H sig 2
• Hot at all times
• Ld+
• Ld-
• Load compartment fuse box & relay box (right rear of cargo area)
• Overhead control panel module
• Panoramic sliding roof driver unit 1 (if equipped) (center front of roof)
• Panoramic sliding roof driver unit 2 (left front of roof)
• Red
• Roller sun blind drive unit (panoramic sliding roof) (right front of roof)
• Roof switch
• Tilting/sliding roof (sr (shd)) driver unit (front center of roof)
• W/ panoramic sliding roof
• W/ tilting sliding roof
• W48/3 (top of right "d" pillar)

POWER WINDOWS

Power Windows Wiring Diagram (1 of 2) for Mercedes-Benz R320 2008

List of elements for Power Windows Wiring Diagram (1 of 2) for Mercedes-Benz R320 2008:

• Can-b h
• Can-b l
• Close vent window switch
• Comfort acc pushbutton control module (if equipped) acc pushbutton control module
• Computer data lines system
• Driver power window & outside mirror adjustment switch group
• Eis (ezs) control unit
• Front passenger power window switch
• Fuse 25a
• Gnd
• Hot at all times
• Interior lights system
• K1 58
• Left front door control module (in left front door)
• Left front power window motor (center of left front door)
• Left front power window switch
• Left rear power window switch
• Load compartment fuse & relay box (right side of cargo area)
• Nca
• Open vent window switch
• Pnk
• Rear side windows child safety lock switch
• Red
• Right front door control module (in right front door)
• Right front power window motor (center of right front door)
• Right front power window switch
• Right rear power window switch
• W15/1 (right front footwell)
• W15/2 (left front footwell)

Power Windows Wiring Diagram (2 of 2) for Mercedes-Benz R320 2008

List of elements for Power Windows Wiring Diagram (2 of 2) for Mercedes-Benz R320 2008:

• 58d
• Battery compartment prefuse box (under right rear footwell)
• Can-b h
• Can-b l
• Circuit 31 left rear seat voltage distributor connector
• Circuit 31 right rear seat voltage distributor connector
• Circuit 58d voltage distributor connector
• Computer data lines system
• Front sam control unit (under front passenger's seat)
• Fuse 60a
• Fuse 70a
• Hot at all times
• Left rear power window motor (center of left rear door)
• Left rear power window switch
• Left vent window motor (in left "d" pillar)
• Left vent window obstruction sensor strip (in left vent window frame)
• Nca
• Pnk
• Rear sam control module (right rear of cargo area)
• Red
• Right rear power window motor (center of right rear door)
• Right rear power window switch
• Right vent window motor (in right "d" pillar)
• Right vent window obstruction sensor strip (in right vent window frame)
• W15/1 (right front footwell)
• W17 (in right rear footwell)
• W17/1 (left rear footwell)
• W7 (right "d" pillar)

RADIO

DVD Player Wiring Diagram for Mercedes-Benz R320 2008

List of elements for DVD Player Wiring Diagram for Mercedes-Benz R320 2008:

• (-)
• Aux l
• Aux r
• Can-b h
• Can-b l
• Can-t h
• Can-t l
• Circuit 31 left rear seat voltage distributor connector 1
• Comand operating, display & control module
• Computer data lines system
• Dvd player
• Fuse 10a
• Hot at all times
• Left rear display
• Load compartment fuse & relay box (right rear of cargo area)
• Nca
• Red
• Right rear display
• Shield
• W17/1 (left rear footwell)

MOST Data Bus Wiring Diagram for Mercedes-Benz R320 2008

List of elements for MOST Data Bus Wiring Diagram for Mercedes-Benz R320 2008:

• Cd changer (if equipped)
• Comand operating, display & control module
• Most
• Most bus maximum equipment
• Most bus minimum equipment
• Most in
• Most out
• Sdar control unit (if equipped) (in right rear footwell)
• Sound system amplifier (if equipped) (under driver's seat)
• Universal portable ctel interface (upci (uhi)) control module (if equipped) (under right seat of 2nd seat row)
• Voice control system (vcs (sbs)) control unit (if equipped)
• Wake up
• Wake up signal/ circuit 58d voltage distributor connector

Rear Audio Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Rear Audio Wiring Diagram for Mercedes-Benz R320 2008:

• Antenna
• Circuit 31 left rear seat voltage distributor connector 1
• Comand operating display & control module
• Fuse 10a
• Gnd
• Hot at all times
• Interference filter 1 (top center of tailgate)
• Load compartment fuse & relay box (right rear of cargo area)
• Nca
• Nf-l
• Nf-r
• Rcp (hbf) control module
• Rear audio control unit
• Red
• W17/1 (left rear footwell)

Satellite Radio Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Satellite Radio Wiring Diagram for Mercedes-Benz R320 2008:

• (in right rear footwell)
• Ant
• Circuit 31 left rear seat voltage distributor connector 2
• Fuse 7.5a
• Hot at all times
• Load compartment fuse & relay box (right rear of cargo area)
• Most
• Most data bus circuit
• Most in
• Most out
• Nca
• Roof antenna module (center rear of roof)
• Sdar control unit (in right rear footwell)
• W17
• Wake up

Sound Amplifier Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Sound Amplifier Wiring Diagram for Mercedes-Benz R320 2008:

• 14a
• Cd changer
• Center cockpit speaker (centerfill)
• Cockpit fuse box (behind right end of dash)
• Emergency call system control unit (if equipped) (in left rear footwell)
• Fuse 30a
• Fuse 7.5a
• Hl (+)
• Hl (-)
• Hot at all times
• Hr (+)
• Hr (-)
• Left front door speaker
• Left front door tweeter
• Left rear door speaker
• Left rear door tweeter
• Left rear surround loudspeaker
• Load compartment fuse & relay box (right rear of cargo area)
• Mic (+)
• Mic (-)
• Mic gnd
• Most
• Most data bus circuit
• Most in
• Most out
• Mute
• Nca
• Red
• Right front door speaker
• Right front door tweeter
• Right rear door speaker
• Right rear door tweeter
• Right rear surround loudspeaker
• Sound amplifier microphone
• Sound system amplifier (under driver's seat)
• Srl (+)
• Srl (-)
• Srr (+)
• Srr (-)
• Subwoofer loudspeaker
• Sw (+)
• Sw (-)
• Vl (+)
• Vl (-)
• Vm (+)
• Vm (-)
• W15/2
• W29/2 (behind right kick panel)
• Wake up

Voice Activation Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Voice Activation Wiring Diagram for Mercedes-Benz R320 2008:

• (-)
• (top of left "d" pillar) w29/8
• (w/o sound system)
• 3b zf
• 3c ant
• Ant
• Antenna
• Aux l
• Aux r
• Backup camera circuit
• C1 sig
• Can-b h
• Can-b l
• Circuit 31 left rear seat voltage distributor connector 1
• Comand operating display & control module
• Computer data lines system
• Emergency call system control unit (in left rear footwell)
• Fm rear window antenna amplifier (left side of tailgate)
• Fuse 20a
• Fuse 5a
• Gnd
• Gps
• Gps antenna splitter (left rear footwell)
• Hl (+)
• Hl (-)
• Hot at all times
• Hr (+)
• Hr (-)
• Interference filter 1 (top center of tailgate)
• Left front door speaker
• Left front door tweeter
• Left rear door speaker
• Left rear door tweeter
• Load compartment fuse & relay box (right rear of cargo area)
• Most in
• Most out
• Mute
• Nca
• Nf l
• Nf r
• Pnk
• Rear audio control unit (if equipped)
• Rear sam control module (right rear of cargo area)
• Red
• Right front door speaker
• Right front door tweeter
• Right rear door speaker
• Right rear door tweeter
• Roof antenna module (center rear of roof)
• Shield
• Sig
• Sound systems
• Vl (+)
• Vl (-)
• Vr (+)
• Vr (-)
• W/ rear entertainment
• W/o sound system
• W17/1 (left rear footwell)
• Wake up
• Walkman separation point

STARTING/CHARGING

Charging Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Charging Wiring Diagram for Mercedes-Benz R320 2008:

• 3.0l turbo
• 3.5l
• Auxiliary battery
• Battery
• Battery compartment prefuse box (under right rear footwell)
• C14b
• C5e
• C86
• Can-c h
• Can-c l
• Cdi control module (left front of engine compt)
• Cockpit fuse box (behind right end of dash)
• Computer data lines system
• Eis (ezs) control unit
• Front prefuse (right rear of engine compt)
• Fuse 30a
• Fuse 7.5a
• Generator
• Glow time output stage
• Instrument cluster
• Lin
• Me-sfi control module
• Multifunction display
• Red
• Starter
• W10 (under front passenger's seat)

Starting Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Starting Wiring Diagram for Mercedes-Benz R320 2008:

• (not used)
• 87a
• 87d1
• Anr
• Battery
• Can-c h
• Can-c l
• Cdi control module (left front of engine compt)
• Charging circuit
• Circuit 15 relay
• Computer data lines system
• Eis (ezs) control unit
• Electric control unit (vgs)
• Engine compartment fuse & relay box (right side of engine compt)
• Front prefuse (right rear of engine compt)
• Fuse 25a
• Generator
• Hot at all times
• Intelligent servo module (direct select) (left rear of transmission housing)
• Mr1
• Mr2
• Mr3
• Mr4
• Pnk
• Red
• Starter
• Starter relay
• W10 (under front passenger's seat)
• W2 (right front wheelwell)

SUPPLEMENTAL RESTRAINTS

Emergency Seat Belt Tensioners Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Emergency Seat Belt Tensioners Wiring Diagram for Mercedes-Benz R320 2008:

• Can h
• Can l
• Computer data lines system
• Fuse 40a
• Fuse 5a
• Hot at all times
• Hot in run or start
• Left front reversible emergency tensioning retractor
• Load compt fuse & relay box
• Red
• Right front reversible emergency tensioning retractor
• W17
• W17/1

Supplemental Restraint Wiring Diagram (1 of 3) for Mercedes-Benz R320 2008

List of elements for Supplemental Restraint Wiring Diagram (1 of 3) for Mercedes-Benz R320 2008:

• 15r
• Battery compt prefuse box
• Cak bf
• Cak fa
• Can h
• Can l
• Circuit 31 connector
• Computer data lines system
• Driver's side airbag squib
• Fuse 10a
• Fuse 5a
• Fuse 7.5a
• Gkb bf
• Gkb fa
• Gs 3l
• Gs 3r
• Gs bf
• Gs fa
• Gs hl
• Gs hr
• Hot at all times
• Hot in run or start
• Left 2nd row side airbag squib
• Left front wss sensor
• Left rear wss sensor
• Load compt fuse & relay box
• Pnk
• Red
• Restraint systems control module
• Right 2nd row etr squib
• Right 2nd row side airbag squib
• Right front wss sensor
• Right rear wss sensor
• Right side airbag squib
• Sb bf
• Sb fa
• Sb hl
• Sb hr
• Sf bf
• Sf fa
• Sig
• Ss bf
• Ss fa
• W15/1
• W15/2
• W17
• W26
• Wb l
• Wb r
• Weight sensing system (wss) control unit

Supplemental Restraint Wiring Diagram (2 of 3) for Mercedes-Benz R320 2008

List of elements for Supplemental Restraint Wiring Diagram (2 of 3) for Mercedes-Benz R320 2008:

• Driver belt force limiter
• Driver buckle etr squib
• Driver neck-pro head restraint solenoid
• Emergency call system control unit (if equipped)
• Front passenger belt force limiter
• Front passenger buckle etr squib
• Front passenger neck-pro head restraint solenoid
• Left 2nd row etr squib
• Left 3rd row etr squib
• Left rear door pressure sensor
• Left window airbag squib
• Nca
• Pnk
• Right 3rd row etr squib
• Right rear door pressure sensor
• Right window airbag squib

Supplemental Restraint Wiring Diagram (3 of 3) for Mercedes-Benz R320 2008

List of elements for Supplemental Restraint Wiring Diagram (3 of 3) for Mercedes-Benz R320 2008:

• Ab1 bf
• Ab1 fa
• Ab2 bf
• Ab2 fa
• Driver seat belt buckle restraint systems switch
• Driver's side frontal acceleration sensor
• Front passenger airbag squib 1
• Front passenger airbag squib 2
• Left side airbag sensor
• Passenger seat belt buckle restraint systems switch
• Passenger's side frontal acceleration sensor
• Pnk
• Restraint systems control module
• Right side airbag sensor
• Steering column module
• W26

TRANSMISSION

Transmission Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Transmission Wiring Diagram for Mercedes-Benz R320 2008:

• B1 brake control solenoid valve (vgs)
• B2 brake control solenoid valve (vgs)
• B3 brake control solenoid valve (vgs)
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Eis (ezs) control unit
• Electric control unit (vgs)
• Engine compartment fuse & relay box (right side of engine compt)
• Fully integrated transmission control (vgs) control unit
• Fuse 30a
• Fuse 7.5a
• Hot at all times
• Hot w/ circuit 15 relay energized
• Intelligent servo module (direct select) (left rear of transmission housing)
• Internal speed sensor (vgs)
• Ism
• K1 clutch control solenoid valve (vgs)
• K2 clutch control solenoid valve (vgs)
• K3 clutch control solenoid valve (vgs)
• Mr3
• Mr4
• Output speed sensor (vgs)
• Red
• Selection range sensor (vgs)
• Torque converter lockup clutch control solenoid valve (vgs)
• Transmission mode switch
• Transmission oil temp sensor (vgs)
• Turbine speed sensor (vgs)
• Upper control panel control module
• W16/3 (left rear of engine compt)
• Working pressure control solenoid valve (vgs)

WARNING SYSTEMS

Seat Belt Warning Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Seat Belt Warning Wiring Diagram for Mercedes-Benz R320 2008:

• Air bag indicator & warning lamp
• Battery compartment prefuse box (under right front seat)
• Bbv hr
• Bbv vr
• Brake fluid & parking brake warning lamp
• Brake fluid indicator switch (in brake fluid reservoir)
• C11a
• C79
• C84
• C89
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Circuit 31 left foot well voltage distributor connector
• Circuit 31 right rear seat voltage distributor connector
• Cockpit prefuse box (behind right end of dash)
• Computer data lines system
• Driver seat belt buckle & seat belt warning switch (in driver's seat belt buckle)
• Front sam control unit (under right front seat)
• Fuel reserve indicator lamp
• Fuse 10a
• Fuse 5a
• Fuse 60a
• Fuse 70a
• Hot at all times
• Instrument cluster
• Left fuel level sensor (in left side of fuel tank)
• Nca
• Parking brake indicator switch (above parking brake)
• Rear sam control module (right rear of cargo area)
• Red
• Restraints system control module (under center console)
• Right front brake pad contact sensor (on right front brake assembly)
• Right fuel level sensor (in right side of fuel tank)
• Right rear brake pad contact sensor (on right rear brake assembly)
• Seat belt reminder lamp
• Tg+l
• Tg+r
• Tg-
• W15/1 (in right front footwell)
• W15/2 (in left front footwell)
• W17 (in right rear footwell)
• W2 (right front footwell)
• W26 (under center console)
• W26 (under front of center console)
• W29/2 (behind right kick panel)
• W7 (right rear of cargo area)
• Warning buzzer

Tire Pressure Monitoring Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Tire Pressure Monitoring Wiring Diagram for Mercedes-Benz R320 2008:

• C11a
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Central tpm (rdk) antenna (under right center of vehicle)
• Cockpit prefuse box (behind right end of dash)
• Computer data lines system
• Data
• Fuse 5a
• Fuse 7.5a
• Hot at all times
• Instrument cluster
• Left front tpm (rdk) wheel sensor (inside wheel)
• Left rear tpm (rdk) wheel sensor (inside wheel)
• Load compartment fuse & relay box (right rear of cargo area)
• Msl
• Red
• Right front tpm (rdk) wheel sensor (inside wheel)
• Right rear tpm (rdk) wheel sensor (inside wheel)
• Tire pressure monitor warning lamp
• Tpm control module (right rear of cargo area)
• W29/2 (behind right kick panel)
• W7 (right rear of cargo area)

WIPER/WASHER

Headlamp Washer Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Headlamp Washer Wiring Diagram for Mercedes-Benz R320 2008:

• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Central gateway control module (in left front footwell)
• Combination switch
• Computer data lines system
• Eis (ezs) control module
• Exterior lamp switch
• Front sam control unit (under front passenger's seat)
• Fuse 7.5a
• Hcs pump (on washer fluid reservoir)
• Headlights system
• Hot w/ circuit 15 relay energized
• Lin
• Load compt fuse & relay box (right rear of cargo area)
• Sl1
• Sra
• Steering column module (top of steering column)
• Upper control panel control module
• W2 (right front wheelwell)
• Windshield washer system switch
• Wipe switch

Rear Wiper/Washer Wiring Diagram for Mercedes-Benz R320 2008

List of elements for Rear Wiper/Washer Wiring Diagram for Mercedes-Benz R320 2008:

• (right rear of cargo area) rear sam control module
• 15r1
• 87a
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Central gateway control module (in left front footwell)
• Combination switch
• Computer data lines system
• Eis (ezs) control module
• Front sam control unit (under front passenger's seat)
• Fuse 15a
• Fuse 5a
• Hot w/ circuit 15 relay energized
• Instrument cluster
• Load compartment fuse & relay box (right rear of cargo area)
• Rear wiper relay
• Right rear seat voltage distri- butor con- nector
• Sl1
• Steering column module (top of steering column)
• Tailgate wiper motor (center of tailgate)
• W15/1 (right front footwell)
• W17 (in right rear footwell)
• W7 (right "d" pillar)
• W8 (left side of tailgate)
• Windshield washer system switch
• Wipe switch