All Wiring Diagrams for Mercedes-Benz CLS550 2009

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009:

• (right front footwell) w15/1
• 12v
• Ac compressor
• Can-b h
• Can-b l
• Comfort aac pushbutton control module
• Computer data lines system
• Df sig
• Driver-side sam control module w/ fuse & relay module (left side of engine compt)
• Evaporator temperature sensor (left side of hvac unit)
• Fresh air & air recirculation flap actuator motor (on hvac unit)
• Front prefuse
• Fuse 25a
• Fuse 40a
• Fuse 7.5a
• Heating systems recirculation unit
• Hot at all times
• Hot w/ engine circuit 87 relay energized
• Left blending air flap actuator
• Left center air outlet flap actuator motor (on hvac unit)
• Left defroster vent flap actuator motor (on hvac unit)
• Left footwell flap positioning motor (on hvac unit)
• Left rear air blending air flap actuator motor (on hvac unit)
• Nca
• Rear window defroster switch
• Recirculated air switch
• Refrigerant pressure sensor (left front of engine compt)
• Right blending air flap actuator
• Right center air outlet flap actuator motor (on hvac unit)
• Right defroster vent flap actuator motor (on hvac unit)
• Right footwell flap positioning motor (on hvac unit)
• Right rear air blending air flap actuator motor (on hvac unit)
• W15/1 (right front footwell)
• Window defrost switch

Automatic A/C Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009:

• (right front footwell) w15/1
• (right front of engine compt)
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Circuit 58d potential splitter
• Computer data lines system
• Control panel rear switch group (4 zone ac)
• Coolant circulation pump (right front of engine compt)
• Coolant temperature sensor (left rear of engine)
• E a tmoti
• Egs
• Electric suction fan engine & ac w/ integrated control (center front of engine compt)
• Engine controls system
• Front prefuse
• Fuse 100a
• Hot at all times
• In-car temperature sensor (left side of dash)
• M r senm2
• Me-sfi (me) control unit (left rear of engine compt)
• Passenger side sam control unit (right front footwell)
• Red
• W2 (right front of engine compt)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009

List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009:

• (-)
• (left rear of engine compt) esp control unit
• (right front of engine compt) w3/1
• 12v
• Bla
• Bls
• Can-c h
• Can-c l
• Can-h h
• Can-h l
• Computer data lines system
• Df hl_m
• Df hl_s
• Df hr_m
• Df hr_s
• Df vl_m
• Df vl_s
• Df vr_m
• Df vr_s
• Diag
• Front axle inlet solenoid valve
• Front axle pre pressure sensor
• Front axle switchover solenoid valve
• Front prefuse
• Fuse 40a
• High pressure charging pump motor
• Hot at all times
• Left front inlet control valve
• Left front outlet control valve
• Left front pressure sensor
• Left front rpm sensor (at left front wheel assembly)
• Left rear inlet control valve
• Left rear outlet control valve
• Left rear pressure sensor
• Left rear rpm sensor (at left rear wheel assembly)
• Nca
• Pml_12v
• Pml_a
• Rear axle inlet solenoid valve
• Rear axle switchover solenoid valve
• Rear sam control module w/ fuse & relay module c2 (left side of trunk)
• Right front inlet control valve
• Right front outlet control valve
• Right front pressure sensor
• Right front rpm sensor (at right front wheel assembly)
• Right rear inlet control valve
• Right rear outlet control valve
• Right rear pressure sensor
• Right rear rpm sensor (at right rear wheel assembly)
• Sps (pml) solenoid valve (if equipped)
• Traction system hydraulic unit
• W3/1 (right front of engine compt)

Anti-lock Brakes Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009

List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009:

• 31e
• Abs mil ind
• Brake fluid & parking brake warning lamp ind
• Brake fluid indicator switch
• Can b h
• Can b l
• Computer data lines system
• Data link connector (under left side of dash)
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Esp & abs warning lamp ind
• Fuse 10a
• Fuse 7.5a
• Hot at all times
• I13
• Instrument cluster
• Nca
• Parking brake indicator switch
• Right front brake pad contact sensor
• Right rear brake pad contact sensor
• Stop lamp switch (under left side of dash)
• Turn rate & lateral acceleration sensor
• W15/1 (right front footwell)
• W2 (right front of engine compt)

ANTI-THEFT

Anti-theft Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Anti-theft Wiring Diagram for Mercedes-Benz CLS550 2009:

• (left front footwell) w15/2
• (left side of trunk) w6
• (right front footwell) w15/1
• Alarm signal siren (if equipped)
• Ata hood switch (if equipped)
• C21
• C33
• Can-b h
• Can-b l
• Computer data lines system
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Fuse 200a
• Fuse 30a
• Fuse 7.5a
• Horn relay
• Horn system
• Hot at all times
• I13
• Instrument cluster
• Interior fuse box (left end of dash)
• Ir rec
• Left front door contact switch (on left "b" pillar)
• Left front door control unit (left front door)
• Left front illuminated door sill molding voltage converter
• Left front ir receiver (left front door, door handle)
• Left rear door contact switch (on left "c" pillar)
• Passenger side sam control unit (right front footwell)
• Pawl rotary tumbler switch
• Rear prefuse box (right side of trunk)
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Right front door contact switch (on right "b" pillar)
• Right front illuminated door sill molding voltage converter
• Right rear door contact switch (on right "c" pillar)
• Tk hi li
• Tk hi re
• Tk vo re
• Trunk lid contact switch
• Trunk lid external operation switch
• W15/2 (left front footwell)
• W6 (left side of trunk)

BODY CONTROL MODULES

Driver"s Side SAM Control Module Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009

List of elements for Driver"s Side SAM Control Module Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009:

• 15g
• 15r
• 56b
• 58d
• 87me1
• 87me2
• 87me3
• Afl
• Air conditioning system
• Bus lwr
• C42
• Can-b h
• Can-b l
• Computer data lines system
• Cruise control system
• Df sig
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Electronic suspension system
• Engine controls system
• Exterior lights system
• Fuse 150a
• Fuse 200a
• Fuse 45
• Fuse 48
• Fuse 49 15r
• Fuse 50 15r
• Fuse 67 30
• Fuse 7.5a
• Headlights system
• Hot at all times
• I10
• I11
• I12
• I13
• Instrument cluster system
• Interior fuse box (left end of dash)
• Interior lights system
• Led nsl
• Led nsw
• Navigation system
• Passenger's side sam control module circuit
• Pnk/red
• Power distribution system
• Power distribution system instrument cluster & interior lights systems
• Rear prefuse box (right side of trunk)
• Red
• Seats system
• Sra
• Starting/charging system
• Transmissions system
• W15/2 (left front footwell)
• Wiper/washer system

Driver"s Side SAM Control Module Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009

List of elements for Driver"s Side SAM Control Module Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009:

• (left front of engine compt) w9
• 15r
• 49a
• 56a
• 56b
• Air conditioning system
• Anti-lock brakes system
• Bfs
• Bfs (-)
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Engine controls system
• Exterior lights system
• Headlights system
• Horns system
• Instrument cluster system
• Red
• Warning systems
• Wiper/washer system

Passenger"s Side SAM Control Module Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Passenger"s Side SAM Control Module Wiring Diagram for Mercedes-Benz CLS550 2009:

• (right front footwell) w15/1
• 15/87
• 15r
• 49 re
• 55 re
• 56a
• 56b re
• 58 re
• Air conditioning system
• C36
• Can-b h
• Can-b l
• Computer data lines system
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Exterior lights system
• Front prefuse
• Fuse 25a
• Fuse 40a
• Headlights system
• Hot at all times
• Interior fuse box (left end of dash)
• Passenger side sam control unit (right front footwell)
• Red
• Seats system
• Transmissions system

Rear SAM Control Module Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009

List of elements for Rear SAM Control Module Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009:

• 15g
• 15r
• 87m1
• Anti-lock brakes system
• Anti-theft system
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• C17
• C18
• C19
• C20
• C21
• Can-b h
• Can-b l
• Computer data lines system
• Defogger system
• Door locks system
• Engine controls system
• Exterior lights system
• Fra
• Fuse 200a
• Headlights system
• Hot at all times
• Instrument cluster system
• Interior lights system
• Lin
• Memory systems
• Navigation system
• Nsl
• Power distribution system
• Rear prefuse box (right side of trunk)
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Rfl
• Seats system
• Sl/bl
• Sml
• Sound systems
• Starting/charging system
• Tk hi li
• Tk hi re
• Tk vo re
• W6 (left side of trunk)
• Warning systems

Rear SAM Control Module Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009

List of elements for Rear SAM Control Module Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009:

• C22
• C23
• C24
• C25
• C26
• C27
• C28
• C29
• C30
• C31
• C33
• Can-b h
• Can-b l
• Computer data lines system
• F17
• F18
• F20
• Instrument cluster system
• Interior lights system
• Power windows system
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Seats system
• Sound systems

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Data Link Connector Wiring Diagram for Mercedes-Benz CLS550 2009:

• C30
• C41
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Can-d h
• Can-d l
• Central gateway control module (under left side of dash)
• Data link connector (under left side of dash)
• Diag
• Emergency call system control unit (center front of trunk)
• Esp control unit (left rear of engine compt)
• Fuse 5a
• Fuse 7.5a
• High/low bus circuit
• Hot at all times
• Interior fuse box (left end of dash)
• Me-sfi (me) control unit (left rear of engine compt)
• W15/2 (left front footwell)
• W15/3 (left rear of engine compt)

High/Low Bus Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009

List of elements for High/Low Bus Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009:

• Airmatic w/ ads control module (right front footwell)
• C10
• C11
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Central gateway control module (under left side of dash)
• Cockpit voltage distributor (can) connector
• Dtr control unit
• Eis (ezs) control unit
• Electric control unit (vgs)
• Electronic selector lever module control module
• Esp control unit (left rear of engine compt)
• Etc (egs) control module (right front footwell)
• Front passenger front seat adjustment control module w/ memory
• Instrument cluster
• Left front reversible emergency tensioning retractor (w/ reversible emergency tensioning retractor)
• Left voltage distributor (can) connector
• Me-sfi (me) control module (left rear of engine compt)
• Passenger side sam control module (right front footwell)
• Restraint systems control module (under front of center console)
• Right front door control module (right front door)
• Right front reversible emergency tensioning retractor (w/ reversible emergency tensioning retractor)
• Right rear door control module (right rear door)
• Steering column module
• Upper control panel control module
• W/ 7-speed at
• W/ electronic transmission
• W15/2 (left front footwell)
• Wss control unit (weight sensing system)

High/Low Bus Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009

List of elements for High/Low Bus Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009:

• C10
• C11
• Camand operating display & control module
• Can-b h
• Can-b l
• Central gateway control module (under left side of dash)
• Comfort aac pushbutton control module
• Driver front seat adjustment control module (w/ memory)
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Eis (ezs) control unit
• Hs (sih) & seat ventilation control module (under driver's seat)
• I13
• Instrument cluster
• Left front door control unit (left front door)
• Left rear door control unit (left rear door)
• Left voltage distributor (can) connector
• Lower control field control module
• Pts control module (left side of trunk)
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Right voltage distributor (can) connector
• Steering column module

COOLING FAN

Cooling Fan Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Cooling Fan Wiring Diagram for Mercedes-Benz CLS550 2009:

• (right front of engine compt)
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Coolant circulation pump (right front of engine compt)
• Coolant temperature sensor (left rear of engine)
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Egs
• Electric suction fan engine & ac w/ integrated control (center front of engine compt)
• Engine controls system
• E_a_tmoti
• Front prefuse
• Fuse 100a
• Fuse 25a
• Hot at all times
• Hot w/ engine circuit 87 relay energized
• I13
• Me-sfi (me) control unit (left rear of engine compt)
• M_r_senm2
• Passenger side sam control unit (right front footwell)
• Red
• Refrigerant pressure sensor (left front of engine compt)
• W2 (right front of engine compt)

CRUISE CONTROL

Cruise Control Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Cruise Control Wiring Diagram for Mercedes-Benz CLS550 2009:

• (7-speed a/t)
• A t dcm
• A t dcp
• A u up
• Acc & set
• Accelerator pedal sensor (top of accelerator pedal assembly)
• C29
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Control contact
• Cruise control switch
• Dec & set
• Driver-side sam control unit w/ fuse & relay module (left side of engine compt)
• Dtr control module
• Dtr control unit
• Dtr radar sensor
• E a ip1s
• E a ip2s
• Electronic selector lever module control module
• Etc (egs) control module (5-speed a/t) (right front footwell)
• Fuse 7.5a
• Hot at all times
• I12
• Interior fuse box (left end of dash)
• M r ipm
• Me-sfi (me) control module (left rear of engine compt)
• Off
• Pwg+
• Pwg1-0
• Pwg1-1
• Pwg2-0
• Pwg2-1
• Resume from memory
• Steering column module
• Throttle valve actuator (on throttle body)
• Vcs (sbs) switch
• W15/1 (right front footwell)
• W9 (left front of engine compt)

DEFOGGERS

Defoggers Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Defoggers Wiring Diagram for Mercedes-Benz CLS550 2009:

• All times
• C20
• Can b h
• Can b l
• Can-b h
• Can-b l
• Comfort aac pushbutton control module
• Computer data lines system
• Fuse 200a
• Fuse 40a
• Heated rear window
• Hot at
• Left antenna amplifier module (left c-pillar)
• Left electrically adjustable & heated exterior mirror
• Left front door control unit (left front door)
• Mirror heater
• Rear prefuse (right side of trunk)
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Rear window defroster relay
• Rear window defroster switch
• Red
• Right electrically adjustable & heated exterior mirror
• Right front door control unit (right front door)
• Sh+
• Sh-
• W7 (right side of trunk)
• Window defroster switch

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Electronic Power Steering Wiring Diagram for Mercedes-Benz CLS550 2009:

• (right front footwell) w15/1
• Accept/ terminate phone call push- button
• C29
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Combination switch
• Computer data lines system
• Control contact
• Cruise control switch
• Cruise switch
• Data
• Dec & set
• Driver-side sam control module w/ fuse & relay module (left side of c1
• Engine compt)
• Fanfare horn push- button
• Fanfare horns & air bag clock spring contact
• Fanfare horns push- buttons
• Fuse 7.5a
• Headlamp flasher/high beam switch
• Heater coil
• Heater coil tempe- rature sensor
• Hot at all times
• Hs (sih) & seat ventilation control module (under driver's seat)
• Interior fuse box (left end of dash)
• Left & right turn signal
• Left multi-function steering wheel pushwheel group
• Low beam switch
• Nca
• Ntc
• Ntc c
• Off
• Pushbutton + & -, setting of specific function & volume ctrl
• Red
• Right multi-function steering wheel pushwheel group
• Scroll for- ward/back pushbutton
• Steering angle sensor
• Steering column adjustment switch (w/ esc (elv))
• Steering column module
• Steering wheel heater
• Steering wheel heater electronics (w/ steering wheel heater)
• Switch
• Switch vcs (sbs)
• System selection pushbutton
• W/ steering wheel heater
• W/o steering wheel heater
• Windshield washer system switch
• Wipe switch

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009

List of elements for Electronic Suspension Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009:

• (left front of engine compt) w9
• Airmatic compressor unit (under left front of vehicle)
• Airmatic pressure sensor
• Airmatic relay (clipped on driver-side sam control module)
• Airmatic w/ ads control module (right front footwell)
• Ci6
• Driver-side sam control module w/ fuse & relay module (left side of engine compt)
• Front prefuse
• Fuse 15a
• Fuse 40a
• Fuse 7.5a
• Hot at all times
• Hot w/ chassis circuit 87 relay energized
• Interior fuse box (left end of dash)
• Left front axle damping valve unit (in left front wheelwell)
• Left front body lateral acceleration sensor
• Left front level sensor
• Nca
• Nvlm
• Nvls 1
• Nvls 2
• Nvlv
• Nvrm
• Nvrs 1
• Nvrs 2
• Nvrv
• Red
• Right front axle damping valve unit (in right front wheelwell)
• Right front body lateral acceleration sensor
• Right front level sensor
• Rkps
• Rkpv
• Val 1
• Val 2
• Valv
• Var 1
• Var 2
• Varv
• Vkps
• Vkpv
• Vsps
• Vvls
• Vvlv
• Vvrs
• Vzvsvl
• Vzvsvr
• Vzvvvl
• Vzvvvr
• W15/1 (right front footwell)
• Wake up
• Zamvl
• Zasvl
• Zavvl
• Zdspm
• Zdsps
• Zdspv

Electronic Suspension Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009

List of elements for Electronic Suspension Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009:

• Additional volume valve
• Airmatic central reservoir charge valve (under left front of vehicle)
• Airmatic w/ ads control module (right front footwell)
• Can-c h
• Can-c l
• Computer data lines system
• Hal 1
• Hal 2
• Hal v
• Har 1
• Har 2
• Har v
• Left front suspension strut airmatic valve unit
• Left rear axle damping valve unit (in left rear wheelwell)
• Left rear suspension strut airmatic valve unit
• Level valve
• Nca
• Nhrm
• Nhrs 1
• Nhrs 2
• Nhrv
• Rear axle level sensor
• Right front suspension strut airmatic valve unit
• Right rear axle damping valve unit (in right rear wheelwell)
• Right rear body lateral acceleration sensor
• Right rear suspension strut airmatic valve unit
• Vzvshl
• Vzvshr
• Vzvvhl
• Vzvvhr
• Zamhr
• Zashr
• Zavhr

ENGINE PERFORMANCE

5.5L

5.5L, Engine Performance Wiring Diagram (1 of 4) for Mercedes-Benz CLS550 2009

List of elements for 5.5L, Engine Performance Wiring Diagram (1 of 4) for Mercedes-Benz CLS550 2009:

• (top right side of fuel tank) fuel pump
• Agr_steller1
• A_p_zue1
• A_p_zue2
• A_p_zue3
• A_p_zue4
• A_p_zue5
• A_p_zue6
• A_p_zue7
• A_p_zue8
• A_s_dk
• A_s_hav
• A_s_slv
• A_t_dcm
• A_t_dcp
• A_t_kwths
• A_t_lsh1hk
• A_t_lsh2hk
• A_t_lshvk1
• A_t_lshvk2
• A_t_nwsa1
• A_t_nwse1
• A_t_nwse2
• A_t_su/suv
• A_u_5vg1m
• A_u_5vg2m
• A_u_lsu1vm
• A_u_lsu2vm
• A_u_uip
• Coolant temperature sensor (left rear of engine)
• Ev 1
• Ev 2
• Ev 3
• Ev 4
• Ev 5
• Ev 6
• Ev 7
• Ev 8
• E_a_ip2s
• E_a_ks1a
• E_a_ks2a
• E_a_ls2hk
• E_a_lshk
• E_a_lsu1ia
• E_a_lsu1un
• E_a_lsu2ia
• E_a_lsu2ip
• E_a_lsu2un
• E_a_tmot1
• E_f_kwgb
• E_f_nwga1
• E_f_nwga2
• E_f_nwge1
• E_f_nwge2
• Fuel pump relay module
• Fuse 20a
• Hot at all times
• Left exhaust camshaft hall sensor (left front of engine)
• Left intake camshaft hall sensor (left front of engine)
• Left intake manifold tumble flap position sensor (top left rear of engine)
• Lin
• Me-sfi (me) control unit (left rear of engine compt)
• M_r_hfm1
• M_r_ipm
• M_r_lsik
• M_r_senm1
• M_r_senm2
• Nca
• Nw_g_a2
• Pressure sensor (top front of engine)
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Right exhaust camshaft hall sensor (right front of engine)
• Right intake camshaft hall sensor (right front of engine)
• Right intake manifold tumble flap position sensor (top right rear of engine)
• Sig
• Starting/charging system
• W6 (left side of trunk)

5.5L, Engine Performance Wiring Diagram (2 of 4) for Mercedes-Benz CLS550 2009

List of elements for 5.5L, Engine Performance Wiring Diagram (2 of 4) for Mercedes-Benz CLS550 2009:

• (left front of engine) left exhaust camshaft solenoid
• (left front of engine) left intake camshaft solenoid
• (right front of engine) right exhaust camshaft solenoid
• (right front of engine) right intake camshaft solenoid
• Cylinder ignition coils 1, 2, 3 & 4 (top of right cylinder bank)
• Cylinder ignition coils 5, 6, 7 & 8 (top of left cylinder bank)
• Fuel injector cylinders 1, 4, 7, 6, 2, 3, 8 & 5
• Hot film maf sensor (top rear of engine)
• Nca
• Radio interference suppression capacitor 1
• Radio interference suppression capacitor 2
• Red
• Spark plugs
• W11w1 (left rear of engine)
• W11w2 (right rear of engine)

5.5L, Engine Performance Wiring Diagram (3 of 4) for Mercedes-Benz CLS550 2009

List of elements for 5.5L, Engine Performance Wiring Diagram (3 of 4) for Mercedes-Benz CLS550 2009:

• (center front of engine compt) electric suction fan engine & ac w/ integrated control
• (rear of engine) heating system shutoff valve
• (right front of engine) air pump switchover valve
• (top front of engine) three-disk thermostat valve
• (top left side of fuel tank) fuel tank pressure sensor
• Activated charcoal filter shutoff valve
• Air pump
• Front prefuse
• Fuse 100a
• Hot at all times
• Intake manifold tumble flap switchover valve
• Left o2 sensor downstream twc (kat) (in left exhaust, after twc)
• Left o2 sensor upstream twc (kat) (in left exhaust, before twc)
• Nca
• Purge control valve
• Red
• Right fuel level sensor (top right side of fuel tank)
• Right o2 sensor downstream twc (kat) (in right exhaust, after twc)
• Right o2 sensor upstream twc (kat) (in right exhaust, before twc)
• Sig
• Throttle valve actuator (top rear of engine)
• Variable intake manifold switchover valve
• W11w2 (right rear of engine)
• W15/3 (left rear of engine compt)
• W2 (right front of engine compt)

5.5L, Engine Performance Wiring Diagram (4 of 4) for Mercedes-Benz CLS550 2009

List of elements for 5.5L, Engine Performance Wiring Diagram (4 of 4) for Mercedes-Benz CLS550 2009:

• "check engine" malfunction indicator lamp
• (-)
• (left rear of engine compt) w15/3
• (left rear of engine) crankshaft hall sensor
• (left side of trunk) rear sam control module w/ fuse & relay module
• +5v
• 87me1
• 87me2
• 87me3
• Aav
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Air
• Air pump or oil cooler fan relay
• A_t_nwsa2
• C42
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Circuit 15 voltage distributor
• Circuit relay engine
• Computer data lines system
• Diag
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Egs
• Ekp
• E_a_ds
• E_a_ip1s
• E_a_ks1b
• E_a_ks2b
• E_a_lsu1ip
• E_f_kwga
• E_f_ref1
• E_s_fsoel
• Fuse 15a
• Fuse 40a
• Fuse 7.5a
• Hot at all times
• Hot w/ chassis circuit 87 relay energized
• Instrument cluster
• Interior fuse box (left end of dash)
• Left fuel level sensor (top left side of fuel tank)
• Left knock sensor 2 (top center of engine)
• Me-sfi (me) control unit (left rear of engine compt)
• Nca
• Nw_g_a1
• Oil level check switch (left side of oil pan)
• Pwg+
• Pwg1-0
• Pwg1-1
• Pwg2-0
• Pwg2-1
• Right knock sensor 1 (top center of engine)
• Sig
• Start
• Starting/charging system

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Backup Lamps Wiring Diagram for Mercedes-Benz CLS550 2009:

• (right side of trunk)
• C14
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Electric control unit (vgs) (7-speed a/t)
• Electronic selector lever module control module
• Etc (egs) control module (if equipped) (right front footwell)
• Fuse 200a
• Hot at all times
• Left backup lamp
• Left taillamp
• Rear prefuse box
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Rfl
• Right backup lamp
• Right taillamp
• W6 (left side of trunk)

Front Exterior Lamps Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Front Exterior Lamps Wiring Diagram for Mercedes-Benz CLS550 2009:

• 49 re
• 49a
• 56b
• 58 re
• 58d
• Afl
• Audible turn signal ind
• B l
• Bls
• Bus lwr
• C29
• Can-
• Can- b h
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Combination switch
• Computer data lines system
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Esp control unit (left rear of engine compt)
• Exterior lamp switch
• Fog lamp indicator lamp
• Fuse 5a (or 10a)
• Fuse 7.5a
• Hazard warning system switch
• Hcs (sra) switch
• Headlamp flasher/ high beam switch
• Hot at all times
• Hot w/ circuit 15 relay energized
• I12
• Instrument cluster
• Interior fuse box (left end of dash)
• Interior lights system
• Led nsl
• Led nsw
• Left & right turn signal switch
• Left electrically adjustable & heated exterior mirror
• Left exterior mirror turn signal lamp
• Left front door control unit (left front door)
• Left front headlamp unit
• Left front side marker lamp
• Left standing & parking lamp
• Left turn signal ind
• Left turn signal lamp
• Passenger-side sam control unit (right front footwell)
• Rear fog lamp indicator lamp
• Right electrically adjustable & heated exterior mirror
• Right exterior mirror turn signal lamp
• Right front door control unit (right front door)
• Right front headlamp unit
• Right front side marker lamp
• Right standing & parking lamp
• Right turn signal ind
• Right turn signal lamp
• Standings lamp indicator lamp
• Steering column module
• Stop lamp switch (under left side of dash)
• Upper control panel carrier open/close switch
• Upper control panel control module
• W15/1 (right front footwell)
• W15/2 (left front footwell)
• W2 (right front of engine compt)
• W9 (left front of engine compt)

Rear Exterior Lamps Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Rear Exterior Lamps Wiring Diagram for Mercedes-Benz CLS550 2009:

• (left side of trunk) w6
• Backup lamps circuit
• C14
• C21
• Can-b h
• Can-b l
• Center high mounted stop lamp
• Combination switch
• Computer data lines system
• Data
• Fra
• Fuse 200a
• Headlamp flasher/ high beam switch
• Hot at all times
• Left & right turn signal switch
• Left backup lamp
• Left license plate lamp
• Left rear side marker lamp
• Left taillamp
• Lfft rear fog lamp
• Lower left brake light & taillight
• Lower right brake light & taillight
• Nca
• Nsl
• Outer left turn signal lamp
• Outer right turn signal lamp
• Overhead control panel control module
• Rain/light sensor
• Rear prefuse box (right side of trunk)
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Right backup lamp
• Right license plate lamp
• Right rear fog lamp
• Right rear side marker lamp
• Right taillamp
• Sl/bl
• Sml
• Steering column module
• Upper left brake light & taillight
• Upper right brake light & taillight
• W6 (left side of trunk)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Ground Distribution Wiring Diagram for Mercedes-Benz CLS550 2009:

• Air pump
• Air pump, radio interference suppression capacitor 1 & cylinder ignition coils (1 to 4)
• Airmatic compressor unit, air compressor motor, dtr control unit, driver side sam control module w/ fuse & relay module, left front headlamp unit (w/ xenon headlamps), left fog lamp & right fanfare horn
• Battery sensor
• Data link connector
• Esp control module
• Heated rear window
• Left front side marker lamp, comand operating, display & control module, rear module keyless-go control unit, driver front seat adjustment control module (w/ memory), left rear door control module, hs (sih) & seat ventilation control module, right front backrest heated cushion (if equipped), right front seat heated cushion (if equipped), left front backrest heated cushion (if equipped), left front seat heated cushion (if equipped), left front reversible emergency tensioning retractor, left rear door keyless-go control unit, lower control field control module, electronic selector lever module control module (7-speed a/t), neck-pro head restraint relay, gear display sensor (7-speed a/t), electric control unit (vgs), left voltage distributor (can) connector, left front door contact switch, driver side air bag squib, driver neck-pro head restraint solenoid, data link connector, central gateway control module, left front footwell lamp, media interface control unit, left front door control module, driver-side sam control module w/ fuse & relay module & left front illuminated door sill molding voltage converter
• Me-sfi (me) control module &
• Radio interference suppression capacitor 2, cylinder 5 ignition coil, cylinder 6 ignition coil, cylinder 7 ignition coil & cylinder 8 ignition coil
• Restraint systems control module, driver-side air bag & window air bag sensor, passenger-side frontal acceleration sensor & passenger-side seat belt buckle restraint systems switch
• Right front side marker lamp, electric suction fan engine & ac w/ integrated control, right front headlamp unit, right fog lamp, coolant circulation pump, windshield washer fluid pump, left fanfare horn, right front brake pad contact sensor, c-aac sun sensor (4), washer nozzle heater, washer nozzle heater (if equipped) & c-aac (k-kla) multi-function sensor
• Right fuel pump, audio gateway control module, rear sam control module w/ fuse & relay module, rear screen blind relay, left trunk lamp, left tail lamp, right tail lamp, left rear head restraint motor, right rear head restraint motor, left rear door contact switch, trunk lid ambient lamp, left license plate lamp, right license plate lamp, center high-mounted stop lamp, pawl rotary tumbler switch, subwoofer amplifier, amplifier for sound system, luggage compartment socket, trunk lid contact switch & trunk lid external operation switch
• Right rear door keyless-go control unit, front passenger front seat adjustment control module w/ memory, airmatic w/ ads control unit, right front reversible emergency tensioning retractor, heating systems recirculation unit, left air outlet illumination, right air outlet illumination, in car temperature sensor, glove compartment illumination w/ switch, right front footwell lamp, electric steering lock control module, instrument cluster, steering column module, comfort aac pushbutton control module, right rear door control module, right front door control module, exterior lamp switch, eis (ezs) control unit, cd changer, electronic selector lever module control module (a/t), gear display sensor (a/t), etc (egs) control module (a/t), interior socket, right front door contact switch, right rear door contact switch, right rear brake pad contact sensor, right side air bag ignition squib, right rear footwell lamp, front passenger neck-pro head restraint solenoid, wss control unit (weight sensing system), control panel rear switch group (4 zone ac), rear air outlet illumination, illuminated cigar lighter, passenger-side sam control module, upper control panel control module, parking brake indicator switch, right front illuminated door sill molding voltage converter & front armrest folding compartment illumination
• Sos/ata (edw) switch group, mb-info & telediagnosis button group, high-definition tuner coontrol unit (if equipped), emergency call system control unit, frequency switchover control module & sdar control unit
• Tlc (hds) control module, pneumatic pump for dynamic seat control (if equipped) & multicontour seat pneumatic pump (if equipped)
• W10 (right side of trunk)
• W11/3 (front of engine)
• W11w1 (left rear of engine)
• W11w2 (right rear of engine)
• W15/1 (right front footwell)
• W15/2 (left front footwell)
• W15/3 (left rear of engine compt)
• W17/1 (left "c" pillar)
• W2 (right front of engine compt)
• W26 (under center console)
• W3/1 (right front of engine compt)
• W6 (left side of trunk)
• W6/1 (left side of trunk)
• W7 (right side of trunk)
• W9 (left front of engine compt)

HEADLIGHTS

Headlights Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Headlights Wiring Diagram for Mercedes-Benz CLS550 2009:

• 55 re
• 56a
• 56b
• 56b re
• 58d
• Afl
• Bus lwr
• C29
• Can-b h
• Can-b l
• Cluster
• Combination switch
• Computer data lines system
• Data
• Driver-side sam control module w/ fuse & relay module (left side of engine compt)
• Exterior lamp switch
• Fog lamp indicator lamp
• Fuse 7.5a
• Hcs (sra) switch
• Headlamp flasher/ high beam switch
• High beam
• Hot at all times
• Hot w/ circuit 15 relay energized
• Hra (lwr) power module
• Hra (lwr) power module (w/ xenon)
• Indicator
• Instrument
• Interior fuse box (left end of dash)
• Interior lights system
• Lamp
• Led nsl
• Led nsw
• Left fog lamp
• Left front headlamp unit
• Left headlamp range adjustment motor
• Left high beam
• Left high beam solenoid (w/ xenon)
• Left low beam
• Low beam switch
• Nca
• Overhead control panel control module
• Passenger-side sam control unit (right front footwell)
• Rain/light sensor
• Rear fog lamp indicator lamp
• Right fog lamp
• Right front headlamp unit
• Right headlamp range adjustment motor
• Right high beam
• Right high beam solenoid (w/ xenon)
• Right low beam
• Standings lamp indicator lamp
• Steering column module
• W15/1 (right front footwell)
• W2 (right front of engine compt)
• W9 (left front of engine compt)
• Xenon headlamp ignition module

HORN

Horn Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Horn Wiring Diagram for Mercedes-Benz CLS550 2009:

• (or nca)
• C29
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Data
• Driver-side sam control module w/ fuse & relay module (left side of engine compt)
• Fanfare horn module
• Fanfare horns & air bag clock spring contact
• Fanfare horns pushbutton
• Fuse 53a 15a
• Fuse 53b 15a
• Fuse 7.5a
• Hot at all times
• Hot w/ circuit 15r relay energized
• I13
• Interior fuse box (left end of dash)
• Left fanfare horn
• Left fanfare horn pushbutton
• Left multi-function steering wheel pushbutton group
• Nca
• Red
• Right fanfare horn
• Right fanfare horn pushbutton
• Right multi-function steering wheel pushbutton group
• Steering column module
• Steering wheel electronics
• Steering wheel heater electronics (if equipped)
• W/ steering wheel gear shift
• W/ steering wheel heater
• W/o steering wheel gear shift
• W/o steering wheel heater
• W15/1 (right front footwell)
• W2 (right front of engine compt)
• W9 (left front of engine compt)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Instrument Cluster Wiring Diagram for Mercedes-Benz CLS550 2009:

• "check engine" malfunction indicator lamp
• 15g
• 31e
• Abs malfunction indicator lamp
• Air bag indicator & warning lamp
• Ambient temperature display temperature sensor
• Audible turn signal indicator
• Brake fluid & parking brake warning lamp
• Brake fluid indicator switch
• Brake indicator lamp
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Coolant level indicator switch
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Dtr warning lamp indicator
• Ect gauge
• Electronic clock
• Electronic speedometer
• Engine coolant temperature malfunction indicator
• Esp & abs warning lamp indicator
• Fuel level & reserve gauge
• Fuel reserve indicator lamp
• Fuse 200a
• Fuse 7.5a
• Gear display
• High beam indicator lamp
• Hot at all times
• Hot w/ circuit 15 relay energized
• I13
• Instrument cluster
• Instrument illumination
• Instrument lighting rheostat & reset button
• Left fuel level sensor (top left side of fuel tank)
• Left turn signal indicator lamp
• Multifunction display
• Nca
• Parking brake indicator switch
• Rear prefuse box (right side of trunk)
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Restraint systems control module (under front of center console)
• Right front brake pad contact sensor
• Right fuel level sensor (top right side of fuel tank)
• Right rear brake pad contact sensor
• Right turn signal indicator lamp
• Seat belt reminder lamp indicator
• Tachometer
• Trip odometer reset button
• W15/1 (right front footwell)
• W2 (right front of engine compt)
• W6 (left side of trunk)
• W9 (left front of engine compt)
• Warning buzzer
• Windshield washer fluid level indicator switch

Overhead Console Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Overhead Console Wiring Diagram for Mercedes-Benz CLS550 2009:

• (2 bulbs)
• (left side of trunk) w6
• 15r
• 58d
• Ambient lamp
• Automatic dimming mirror
• Back auto dimming interior rearview sensor
• C22
• Can-b h
• Can-b l
• Computer data lines system
• Data
• Dome lamp
• Dome lamp dimmer button (+)
• Dome lamp dimmer button (-)
• Dome lamp on/off switch
• Door
• Door contact on/off switch
• Forward auto dimming interior rearview sensor
• Front dome lamp
• Fuse 25a
• Garage
• Garage door opener indicator lamp
• Garage door opener transmitter unit
• H 1 sig
• H 2 sig
• Hot at all times
• In car temperature sensor
• In car temperature sensor fan motor
• Interior lights system
• Interior rearview mirror unit
• Left front reading lamp switch
• Left reading lamp
• Left reading lamp switch
• Light ring
• Motor (+)
• Motor (-)
• Navigation system
• Nca
• Opener 1
• Opener 2
• Opener 3
• Overhead control panel control module
• Rain/light sensor
• Rear dome lamp switch
• Rear interior lamp
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Right front reading lamp switch
• Right reading lamp
• Right reading lamp switch
• Roof switch
• Sos switch
• Sr hall sensor
• Sr hall sensor 1
• Sr motor
• Tilting/sliding roof (sr (shd)) drive unit (if equipped)
• Ub hall
• W17/1 (left "c" pillar)

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009

List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009:

• C21
• C22
• C24
• Can-b h
• Can-b l
• Computer data lines system
• Data
• Dome lamp
• Dome lamp dimmer button (+)
• Dome lamp dimmer button (-)
• Dome lamp on/off switch
• Door contact on/off switch
• Front dome lamp
• Fuse 200a
• Fuse 25a
• Hot at all times
• Left front door contact switch (on left b-pillar)
• Left front reading lamp switch
• Left front vanity mirror illumination
• Left front vanity mirror illumination switch
• Left reading lamp
• Left reading lamp switch
• Left rear door contact switch (on left c-pillar)
• Left trunk lamp
• Light ring
• Nca
• Overhead control panel control module
• Rain/light sensor
• Rear dome lamp switch
• Rear interior lamp
• Rear prefuse box (right side of trunk)
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Right front reading lamp switch
• Right front vanity mirror illumination
• Right front vanity mirror illumination switch
• Right reading lamp
• Right reading lamp switch
• Right rear door contact switch (on right c-pillar)
• Tk hi li
• Tk hi re
• Tk vo re
• Trunk lid ambient lamp
• Trunk lid contact switch
• Trunk lid emergency release switch
• Trunk lid external operation switch
• W15/1 (right front footwell)
• W15/2 (left front footwell)
• W6 (left side of trunk)

Courtesy Lamps Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009

List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009:

• (+)
• (-)
• (left front footwell) w15/2
• (left rear door) left rear door control unit
• (right front footwell) w15/1
• C21
• C22
• C32
• C33
• Can-b h
• Can-b l
• Computer data lines system
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Fuse 30a
• Hot at all times
• I13
• Interior fuse box (left end of dash)
• Left front door control unit (left front door)
• Left front door entrance & exit lamp
• Left front door inside handle illumination
• Left front door warning lamp
• Left front footwell lamp
• Left rear door entrance & exit lamp
• Left rear door inside handle illumination
• Left rear door warning lamp
• Left rear footwell lamp
• Nca
• Red
• Right front door contact switch (on right b-pillar)
• Right front door control unit (right front door)
• Right front door entrance & exit lamp
• Right front door inside handle illumination
• Right front door warning lamp
• Right front footwell lamp
• Right rear door control unit (right rear door)
• Right rear door entrance & exit lamp
• Right rear door inside handle illumination
• Right rear door warning lamp
• Right rear footwell lamp
• W15/1 (right front footwell)

Instrument Illumination Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009

List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009:

• 15g
• 58d
• Bus lwr
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Circuit 58d potential splitter
• Computer data lines system
• Control panel rear switch group (4 zone ac)
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Exterior lamp switch
• Front armrest folding compartment illumination
• Fuse 200a
• Fuse 7.5a
• Glove compartment illumination w/ switch
• Hot at all times
• Hot w/ circuit 15 relay energized
• I13
• Illuminated cigar lighter
• Instrument cluster
• Instrument illumination
• Instrument lighting rheostat & reset button
• Led nsl
• Led nsw
• Left air outlet illumination
• Nca
• Rear air outlet illumination
• Rear prefuse box (right side of trunk)
• Red
• Right air outlet illumination
• W15/1 (right front footwell)
• W9 (left front of engine compt)

Instrument Illumination Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009

List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009:

• (left front footwell) w15/2
• (right front footwell) w15/1
• 58d
• C21
• C22
• C32
• C33
• Can-b h
• Can-b l
• Computer data lines system
• Driver trunk lid open/close switch
• Emergency call system control unit (center front of trunk)
• Front passenger power window switch
• Fuse 30a
• Hot at all times
• Illumination
• Interior fuse box (left end of dash)
• Left front door control unit (left front door)
• Left rear door control unit (left rear door)
• Left rear power window switch
• Mb-info & telediagnosis button group
• Red
• Right front door control unit (right front door)
• Right rear door control unit (right rear door)
• Right rear power window switch
• Sos/ata (edw) switch group
• W17/1 (left "c" pillar)

MEMORY SYSTEMS

Driver"s Memory Seat Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Driver"s Memory Seat Wiring Diagram for Mercedes-Benz CLS550 2009:

• (-)
• (left front footwell) w15/2
• - lumbar support adjustment switch
• - pulse switch
• - seat cushion fore/aft adjustment switch
• - side bolsters adjustment switch
• -backrest switch
• -front raise/ lower switch
• -head restraint raise/lower switch
• -rear raise/ lower switch
• -seat fore/ aft switch
• 15r
• Backrest adjustment motor (forward/back)
• C11
• C33
• C34
• Can-b h
• Can-b l
• Computer data lines system
• Data
• Driver front seat adjustment control module
• Driver seat adjustment motor group
• Dynamic
• Forward(+)
• Forward(-)
• Front adjustment motor (up/down)
• Front seat adjustment motor (forward/back)
• Fuse 30a
• Head restraint adjustment motor (raise/lower)
• Hot at all times
• Hot w/ circuit 15r relay 2 energized
• Interior fuse box (left end of dash)
• Left front door control unit (left front door)
• Left front dynamic seat control module
• Left front dynamic switch
• Left front multicontour backrest switch group
• Left front seat adjustment switch group
• Memory location 1, 2, 3 switch
• Memory store button switch
• Nca
• Rear adjustment motor (up/down)
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Sig
• Steering column memory circuit
• Up(+)
• Up(-)

Memory Mirrors Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Memory Mirrors Wiring Diagram for Mercedes-Benz CLS550 2009:

• (+)
• (-)
• -backrest switch
• -front raise/ lower switch
• -head restraint raise/lower switch
• -rear raise/ lower switch
• -seat fore/ aft switch
• Automatic dimming mirror
• C22
• C33
• Can-b h
• Can-b l
• Computer data lines system
• Data
• Defogger system
• Exterior lights system
• Fold in/ fold out switch
• Fuse 30a
• Hot at all times
• In/out
• Interior fuse box (left end of dash)
• Left electrically adjustable & heated exterior mirror
• Left front door control unit (left front door)
• Left front seat adjustment switch group
• Left turn signal
• Left/right switch
• Memory location 1, 2, 3 switch
• Memory store button switch
• Mirror heater
• Outside mirror adjustment switch
• Raise/lower, in/out switch
• Red
• Right electrically adjustable & heated exterior mirror
• Right front door control unit (right front door)
• Right turn signal
• Up/down
• W15/1 (right front footwell)
• W15/2 (left front footwell)

Passenger"s Memory Seat Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Passenger"s Memory Seat Wiring Diagram for Mercedes-Benz CLS550 2009:

• (-)
• (right front footwell) w15/1
• - lumbar support adjustment switch
• - pulse switch
• - seat cushion fore/aft adjustment switch
• - side bolsters adjustment switch
• -backrest switch
• -front raise/ lower switch
• -head restraint raise/lower switch
• -rear raise/ lower switch
• -seat fore/ aft switch
• 15r
• Backrest adjustment motor (forward/back)
• C11
• C22
• C23
• Can-b h
• Can-b l
• Computer data lines system
• Dynamic
• Forward(+)
• Forward(-)
• Front adjustment motor (up/down)
• Front passenger front seat adjustment control module
• Front seat adjustment motor (forward/back)
• Fuse 30a
• Head restraint adjustment motor (raise/lower)
• Hot at all times
• Hot w/ circuit 15r relay 2 energized
• Interior fuse box (left end of dash)
• Memory location 1, 2, 3 switch
• Memory store button switch
• Nca
• Passenger seat adjustment motor group
• Rear adjustment motor (up/down)
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Right front door control unit (right front door)
• Right front dynamic seat control module
• Right front dynamic switch
• Right front multicontour backrest switch group
• Right front seat adjustment switch group
• Sig
• Up(+)
• Up(-)

Steering Column Memory Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Steering Column Memory Wiring Diagram for Mercedes-Benz CLS550 2009:

• -backrest switch
• -front raise/ lower switch
• -head restraint raise/lower switch
• -rear raise/ lower switch
• -seat fore/ aft switch
• 15r
• C29
• C34
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Column module
• Computer data lines system
• Data
• Driver front seat adjustment control module
• Esc (elv) motor group
• Forward(+)
• Forward(-)
• Fuse 30a
• Fuse 7.5a
• Gnd
• Height adjustment up/down motor
• Hot at all times
• Hot w/ circuit 15r relay 2 energized
• Interior fuse box (left end of dash)
• Left front door control unit (left front door)
• Left front seat adjustment switch group
• Longitudinal adjustment forward/ back motor
• Memory location 1, 2, 3 switch
• Memory store button switch
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Sig
• Steering
• Steering column adjustment switch (w/ esc (elv))
• Up(+)
• Up(-)
• W15/1 (right front footwell)
• W15/2 (left front footwell)

NAVIGATION

COMAND Actuation Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009

List of elements for COMAND Actuation Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009:

• Aux 1 left
• Aux 1 right
• C28
• Can-b h
• Can-b l
• Comand operating, display & control module
• Computer data lines system
• Emergency call system control unit (center front of trunk)
• Fuse 25a
• Fw 1 am
• Fw 2
• Gnd
• Gps
• Gps antenna splitter
• Hands-free system microphone group
• Hot at all times
• Interface connector 1 (if equipped)
• Interior fuse box (left end of dash)
• Left antenna amplifier module (left 'c' pillar)
• Media
• Mic 1 +
• Mic 2 +
• Micro out +
• Micro out -
• Most in
• Most uot
• Most wakeup
• Nca
• Pnk
• Roof antenna
• Shield
• W/o sound system
• W15/2 (left front footwell)
• Walkman separation point

COMAND Actuation Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009

List of elements for COMAND Actuation Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009:

• (or nca)
• Accept/ terminate phone call pushbutton
• Amplifier for sound system (if equipped)
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Data
• Fanfare horns & air bag clock spring contact
• Fiber optical cable connector (most)
• Left multi-function steering wheel pushbutton group (w/o steering wheel gear shift)
• Media interface control unit (if equipped)
• Most
• Most in
• Most out
• Nca
• Out
• Pnk
• Pushbutton + & -, setting of specific function & volume control
• Red
• Right multi-function steering wheel pushbutton group (w/ steering wheel gear shift)
• Scroll forward/ back pushbutton
• Sdar control unit (w/ sdar) high-defination tuner control unit (w/ high- defination tuner) c1 (sdar control unit: right side of trunk)
• Steering column module
• Steering wheel electronics
• Steering wheel heater electronics (if equipped)
• System selection pushbutton
• W/ steering wheel gear shift
• W/ steering wheel heater
• W/o steering wheel gear shift
• Wake-up
• Wake-up signal connector
• Wakeup most

Parktronic Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Parktronic Wiring Diagram for Mercedes-Benz CLS550 2009:

• (+) sh
• (+) sv
• (-) sh
• (-) sv
• C17
• Can-b h
• Can-b l
• Center left front pts ultrasonic sensor
• Center of instrument panel pts warning display
• Center right front pts ultrasonic sensor
• Computer data lines system
• Fuse 7.5a
• Hot at all times
• Inner left front pts ultrasonic sensor
• Inner left rear pts ultrasonic sensor
• Inner right front pts ultrasonic sensor
• Inner right rear pts ultrasonic sensor
• Lower control field control unit
• Outer left front pts ultrasonic sensor
• Outer left rear pts ultrasonic sensor
• Outer right front pts ultrasonic sensor
• Outer right rear pts ultrasonic sensor
• Pnk
• Pts control module (left side of trunk)
• Pts off switch
• Rear pts warning display
• Rear sam control module w/ fuse & relay module (left side of trunk)
• S1 v
• S10 h
• S2 v
• S3 v
• S4 v
• S5 v
• S6 v
• S7 h
• S8 h
• S9 h
• W h (+)
• W h (-)
• W h (data)
• W v (+)
• W v (-)
• W v (data)

Tele Aid Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009

List of elements for Tele Aid Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009:

• 15r
• Can-d h
• Can-d l
• Computer data lines system
• Crash sig
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Emergency call spare antenna
• Emergency call system antenna splitter
• Emergency call system control unit (center front of trunk)
• Fuse 5a
• Fuse 7.5a
• Hot at all times
• Hot w/ circuit 15r relay energized
• Mute
• Nca
• Nca s
• Red
• W17/1 (left "c" pillar)

Tele Aid Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009

List of elements for Tele Aid Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009:

• (right side of trunk) sdar control unit
• Comand operating, display & control module
• Gps antenna splitter
• High-definition tuner control unit
• Interior lights system
• Left front speaker
• Mb-info & telediagnosis button group
• Nca
• Right front speaker
• Roof antenna
• Shield
• Sos/ata (edw) switch group
• Sound system amplifier
• W/ sdar
• W/ sound system
• W/o sdar
• W/o sound system
• W17/1 (left "c" pillar)

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009

List of elements for Power Distribution Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009:

• (diagram 1 of 2)
• (not used)
• (right front footwell) w15/1
• (right side of trunk)
• 15r
• 30z
• Airmatic relay
• Airmatic w/ ads control unit
• Battery
• Battery sensor
• C21
• C22
• C23
• C24
• C25 (not used)
• C26
• C27 (not used)
• C28
• C29
• C30
• C31
• C32
• C33
• C34
• C35
• C36
• C37
• C38
• C39
• C40
• C41
• C42
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Central gateway control module
• Comand operating, display & control module
• Computer data lines system
• Data link connector
• Driver front seat adjustment control module (w/ memory)
• Driver side sam control module w/ fuse & relay module
• Driver side sam control module w/ fuse & relay module (diagram 2 of 2)
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• E-net compensator connector
• Electric selector lever control module
• Electric steering lock control module
• Electric suction fan engine & a/c w/ integrated control
• Electronic ignition switch (eis) control unit
• Elv-dat
• Elv-mas
• Esp control module
• From fuse 31 d
• Front passenger front seat adjustment control module (w/ memory)
• Front prefuse
• Fuse 100a (or 150a)
• Fuse 150a
• Fuse 15a
• Fuse 15a (or 5a) (or 25a)
• Fuse 200a
• Fuse 200a (or 150a)
• Fuse 20a (or 5a)
• Fuse 25a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse 5a (or 10a)
• Fuse 7.5a
• Heating systems recirculation unit
• High-definition tuner control unit & sadar control unit
• Hs (sih) & seat ventilation control module & passenger side sam control module
• Interior fuse box (left end of dash)
• Kg (-)
• Kg dat
• Left front door control module
• Left front reversible emergency tensioning retractor
• Left rear door control module
• Left rear door keyless-go control unit, rear module keyless-go control unit
• Lower control field control module
• Me-sfi (me) control module
• Media interface control unit
• Neck-pro head restraint relay
• Passenger side sam control module
• Pneumatic pump for dynamic seat control
• Pnk/red
• Rear module keyless-go control unit (if equipped)
• Rear prefuse
• Red
• Res fuse
• Right front door control module
• Right front reversible emergency tensioning retractor
• Right rear door control module
• Right rear door keyless-go control unit
• Start
• Starter
• Steering control module & exterior lamp switch
• Subwoofer amplifier
• Terminal block (circuit 30)
• Tlc (hds) control module
• To driver side sam control module w/ fuse & relay module (diagram 2 of 2)
• To fuse 32 (diagram 1 of 2)
• To rear sam control module w/ fuse & relay module (diagram 2 of 2)
• Universal portable ctel interface control module & voice control system (vcs) control unit
• Upper panel control module
• W/ keyless-go
• W/ sound system
• W/o keyless-go
• Wss control unit (weight sensing system)

Power Distribution Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009

List of elements for Power Distribution Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009:

• (left side of trunk) rear sam control module w/ fuse & relay module
• (left side of trunk) w6
• (not used)
• (right front footwell) w15/1
• 15r relay 1
• 15r relay 2
• Air pump (or) oil cooler fan relay
• Airmatic w/ ads control unit
• Alarm signal siren
• Amplifier for sound system
• Ata (edw) inclination sensor
• C12
• C17
• C19
• C20
• C22
• C23
• C28
• Chassis circuit 87 relay
• Circuit
• Circuit 15r relay
• Comfort aac push button control module & instrument cluster
• Driver front seat adjustment control module (w/ memory)
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Electric control unit (vgs) & etc (egs) control module
• Electric steering lock control module
• Electronic selector lever control module
• Emergency call system control unit
• Engine circuit 87 relay
• Exterior lamp switch
• F17
• F18
• F19
• F20
• Fan relay module
• From electronic ignition switch (eis) control unit (diagram 1 of 2)
• From fuse 64 (diagram 2 of 2)
• From rear prefuse (diagram 1 of 2)
• Front passenger front seat adjustment control module (w/ memory)
• Fuel filler cap polarity change 1, 2 relay
• Fuse
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 25a
• Fuse 30a
• Fuse 40a
• Fuse 53a 15a
• Fuse 53b 15a
• Fuse 54a 15a
• Fuse 54b 15a
• Fuse 5a
• Fuse 7.5a
• Illuminated cigar lighter
• Instrument cluster & glove compartment illumination switch
• Inter cooler circu- lation pump relay
• Interior lights system
• Interior socket
• Left & right front illuminated door sill molding voltage converter
• Left & right front reversible emergency tensioning retractor & restraints systems control module
• Left antenna amplifier module
• Left front headlamp unit
• Luggage compartment socket
• Multicontour seat pneumatic pump
• Navigation processor
• Nca
• Overhead control panel module
• Pts control module
• Rear screen blind relay
• Rear window defroster relay
• Rear wiper relay
• Red
• Relay
• Reserve relay
• Restraints system control module
• Reverse 2 relay
• Right antenna amplifier module
• Right front headlamp unit
• Starter relay
• Stop lamp switch
• To fuse 54a (diagram 2 of 2)
• Tpm control module
• W15/1 (right front footwell)
• Wiper motor

POWER DOOR LOCKS

Automatic Door Locks Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009

List of elements for Automatic Door Locks Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009:

• (+)
• (-)
• (right front footwell) w15/1
• 58d
• C21
• C32
• C33
• Can-b h
• Can-b l
• Closed
• Computer data lines system
• Door contact on & off switch
• Door motor
• Driver trunk lid open/close switch
• Fuse 200a
• Fuse 30a
• Hot at all times
• Interior fuse box (left end of dash)
• Left front door central locking motor
• Left front door contact switch (on left "b" pillar)
• Left front door control unit (left front door)
• Left front door entrance & exit lamp
• Left front door inside handle illumination
• Left front door warning lamp
• Left front illuminated door sill molding voltage converter
• Left rear door central locking motor
• Left rear door contact switch (on left "c" pillar)
• Left rear door control unit (left rear door)
• Left rear door entrance & exit lamp
• Nca
• Open
• Overhead control panel control module
• Power closing drive motor
• Power locking switch
• Rear prefuse box (right side of trunk)
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Right front door contact switch (on right "b" pillar)
• Right front illuminated doorsill molding voltage converter
• Right rear door contact switch (on right "c" pillar)
• Tk hi li
• Tk hi re
• Tk vo re
• Tlc (hds) control module (left side of trunk)
• W15/2 (left front footwell)
• W6 (left side of trunk)
• W6/1 (left side of trunk)

Automatic Door Locks Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009

List of elements for Automatic Door Locks Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009:

• (left side of trunk) w6
• C13
• C21
• C22
• Can-b h
• Can-b l
• Computer data lines system
• Door motor
• Fuel filler cap polarity change relay 1
• Fuel filler cap polarity change relay 2
• Fuel filler flap cl (zv) motor (right side of trunk)
• Fuse 10a
• Fuse 30a
• Hot at all times
• Interior fuse box (left end of dash)
• Left rear door inside handle illumination
• Left rear door warning lamp
• Nca
• Pawl rotary tumbler switch
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Right front door central locking motor
• Right front door control unit (right front door)
• Right front door entrance & exit lamp
• Right front door inside handle illumination
• Right front door warning lamp
• Right rear door central locking motor
• Right rear door control module (right rear door)
• Right rear door entrance & exit lamp
• Right rear door inside handle illumination
• Right rear door warning lamp
• W15/1 (right front footwell)
• W6 (left side of trunk)

Keyless Go System Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Keyless Go System Wiring Diagram for Mercedes-Benz CLS550 2009:

• (left front footwell) w15/2
• Bus data
• C24
• Eis (ezs) control unit
• Fuse 25a
• Hot at all times
• Interior fuse box (left end of dash)
• Interior module keyless go control module
• Left door handle switch
• Left front opening assist motor
• Left rear door handle switch
• Left rear door keyless go control unit
• Left rear opening assist motor
• Nca
• Rear bumper antenna
• Rear module keyless go control module (left side of trunk)
• Right antenna amplifier module
• Right door handle switch
• Right front opening assist motor
• Right rear door handle switch
• Right rear door keyless go control unit
• Right rear opening assist motor
• Trunk keyless go antenna
• W15/1 (right front footwell)
• W15/2 (left front footwell)

POWER MIRRORS

Power Mirrors Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Power Mirrors Wiring Diagram for Mercedes-Benz CLS550 2009:

• 15r
• 38d
• Ambient lamp
• Automatic dimming mirror
• Back auto dimming interior rearview mirror sensor
• C22
• Can-b h
• Can-b l
• Computer data lines system
• Data
• Forward auto dimming interior rearview mirror sensor
• Fuse 25a
• Garage door opener ind lamp
• Garage door opener pushbutton 1
• Garage door opener pushbutton 2
• Garage door opener pushbutton 3
• Garage door opener transmitter unit
• Hands free system microphone group
• Hot at all times
• Interior rearview mirror unit
• Left reading lamp
• Nca
• Overhead control panel control module
• Rain/light sensor
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Right reading lamp
• W6 (left side of trunk)

POWER SEATS

Headrest Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Headrest Wiring Diagram for Mercedes-Benz CLS550 2009:

• C38
• Can-b h
• Can-b l
• Computer data line system
• Computer data lines system
• Driver neck-pro head restraint solenoid
• Driver-side sam control module w/ fuse & relay module (left side of engine compt)
• Front passenger neck-pro head restraint solenoid
• Fuse 7.5a
• Hot at all times
• Interior fuse box (left end of dash)
• Nca
• Neck-pro head restraint relay
• Neck-pro head restraints triggering device
• Rear head restraints switch
• Upper control panel control module
• W15/1 (right front footwell)
• W15/2 (left front footwell)

Heated Seats Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Heated Seats Wiring Diagram for Mercedes-Benz CLS550 2009:

• C36
• C51
• C61
• Can-b h
• Can-b l
• Computer data lines system
• Fuse 25a
• Hot at all times
• Hs (sih) & seat ventilation control module (under driver's seat)
• Interior fuse box (left end of dash)
• Left front backrest heated cushion
• Left front hs switch
• Left front seat contacting strip
• Left front seat heated cushion
• Nca
• Passenger-side sam control unit (right front footwell)
• Right front backrest heated cushion
• Right front hs switch
• Right front seat contacting strip
• Right front seat heated cushion
• Upper control panel control module
• W/ basic heated seats
• W/ front heated seats
• W/o basic heated seats
• W15/2 (left front footwell)

Heated Steering Wheel Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Heated Steering Wheel Wiring Diagram for Mercedes-Benz CLS550 2009:

• (right front footwell) w15/1
• C29
• C36
• Can b h
• Can b l
• Can- b h
• Can- b l
• Can- c h
• Can- c l
• Computer data lines system
• Data
• Fanfare horns & air bag clock spring contact
• Fuse 25a
• Fuse 7.5a
• Heater coil
• Heater coil tempe- rature sensor
• Hot at all times
• Hs (sih) & seat ventilation control module (under driver's seat)
• Interior fuse box (left end of dash)
• Left multi- function steering wheel pushbutton group
• Nca
• Ntc
• Red
• Right multi- function steering wheel pushbutton group
• Steering column adjustment switch (w/ esc (elv))
• Steering column module
• Steering wheel gear shift signal processing module (inside steering wheel)
• Steering wheel heater
• Steering wheel heater electronics
• W/ steering wheel gear shift
• W/o steering wheel gear shift
• W15/1 (right front footwell)

Seat Ventilation Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Seat Ventilation Wiring Diagram for Mercedes-Benz CLS550 2009:

• C36
• Can-b h
• Can-b l
• Computer data lines system
• Data
• Fuse 25a
• Heated seats circuit
• Hot at all times
• Hs (sih) & seat ventilation control module (under driver's seat)
• Interior fuse box (left end of dash)
• Left front seat backrest ventilation motor group
• Left front seat cushion ventilation motor group
• Left front seat ventilation blower regulator
• Left front seat ventilation switch
• Nca
• Right front seat backrest ventilation motor group
• Right front seat cushion ventilation motor group
• Right front seat ventilation blower regulator
• Right front seat ventilation switch
• Steering column module
• Upper control panel control module
• W15/2 (left front footwell)

Weight Sensing System Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Weight Sensing System Wiring Diagram for Mercedes-Benz CLS550 2009:

• (right front footwell) w15/1
• (under right front seat) left front wss (weight sensing system)
• C35
• Can-b h
• Can-b l
• Computer data lines system
• Data
• Fuse 5a
• Hot at all times
• Interior fuse box (left end of dash)
• Left rear wss (weight sensing system) (under right front seat)
• Nca
• Right front wss (weight sensing system) (under right front seat)
• Right rear wss (weight sensing system) (under right front seat)
• Weight sensing system (wss) control unit

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Power Top/Sunroof Wiring Diagram for Mercedes-Benz CLS550 2009:

• C22
• Can-b h
• Can-b l
• Computer data lines system
• Fuse 25a
• H 1 sig
• H 2 sig
• Hot at all times
• Motor(+)
• Motor(-)
• Nca
• Overhead control panel control module
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Roof switch
• Tilting/sliding roof (sr shd) drive unit (if equipped)
• Ub hall
• W6 (left side of trunk)

POWER WINDOWS

Power Windows Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Power Windows Wiring Diagram for Mercedes-Benz CLS550 2009:

• (+)
• (left front footwell) w15/2
• (right front door) right front door control unit
• (right front footwell) w15/1
• 58d
• C10
• C21
• C22
• C32
• C33
• Can-b h
• Can-b l
• Comfort aac pushbutton control module
• Computer data lines system
• Data
• Driver power window switch group
• Eis (ezs) control unit
• Fh h
• Fh t
• Front passenger power window switch
• Fuse 30a
• H (-)
• H sig 1
• H sig 2
• Hot at all times
• Interior fuse box (left end of dash)
• Left front door contact switch (on left b-pillar)
• Left front door control unit (left front door)
• Left front ir receiver (left front door, door handle)
• Left front power window motor
• Left front power window switch
• Left rear door control unit (left rear door)
• Left rear power window motor
• Left rear power window switch
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Rear side windows child safety lock switch & child safety lock indicator lamp
• Recirculated air switch
• Red
• Right front door contact switch (on right b-pillar)
• Right front power window motor
• Right front power window switch
• Right rear door control unit (right rear door)
• Right rear power window motor
• Right rear power window switch
• Tk vo re

Rear Window Sun Shade Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Rear Window Sun Shade Wiring Diagram for Mercedes-Benz CLS550 2009:

• C25
• C31
• Can-b h
• Can-b l
• Computer data lines system
• F20
• Fuse 200a
• Fuse 5a
• Fuse 7.5a
• Hot at all times
• Interior fuse box (left end of dash)
• Rear blind switch
• Rear prefuse box (right side of trunk)
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Rear screen blind relay (left side of trunk)
• Rear window blind motor
• Red
• Upper control panel control module
• W15/1 (right front footwell)
• W6 (left side of trunk)

RADIO

COMAND Actuation Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009

List of elements for COMAND Actuation Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009:

• Aux 1 left
• Aux 1 right
• C28
• Can-b h
• Can-b l
• Comand operating, display & control module
• Computer data lines system
• Emergency call system control unit (center front of trunk)
• Fuse 25a
• Fw 1 am
• Fw 2
• Gnd
• Gps
• Gps antenna splitter
• Hands-free system microphone group
• Hot at all times
• Interface connector 1 (if equipped)
• Interior fuse box (left end of dash)
• Left antenna amplifier module (left 'c' pillar)
• Media
• Mic 1 +
• Mic 2 +
• Micro out +
• Micro out -
• Most in
• Most uot
• Most wakeup
• Nca
• Pnk
• Roof antenna
• Shield
• W/o sound system
• W15/2 (left front footwell)
• Walkman separation point

COMAND Actuation Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009

List of elements for COMAND Actuation Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009:

• (or nca)
• Accept/ terminate phone call pushbutton
• Amplifier for sound system (if equipped)
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Data
• Fanfare horns & air bag clock spring contact
• Fiber optical cable connector (most)
• Left multi-function steering wheel pushbutton group (w/o steering wheel gear shift)
• Media interface control unit (if equipped)
• Most
• Most in
• Most out
• Nca
• Out
• Pnk
• Pushbutton + & -, setting of specific function & volume control
• Red
• Right multi-function steering wheel pushbutton group (w/ steering wheel gear shift)
• Scroll forward/ back pushbutton
• Sdar control unit (w/ sdar) high-defination tuner control unit (w/ high- defination tuner) c1 (sdar control unit: right side of trunk)
• Steering column module
• Steering wheel electronics
• Steering wheel heater electronics (if equipped)
• System selection pushbutton
• W/ steering wheel gear shift
• W/ steering wheel heater
• W/o steering wheel gear shift
• Wake-up
• Wake-up signal connector
• Wakeup most

High Definition Tuner Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for High Definition Tuner Wiring Diagram for Mercedes-Benz CLS550 2009:

• Fuse 5a
• High-definition tuner control unit
• Hot at all times
• Left antenna amplifier module (left "c" pillar)
• Most
• Most data bus circuit
• Most in
• Most out
• Nca
• Pnk
• Rear prefuse (right side of trunk)
• Roof antenna
• W17/1 (left "c" pillar)
• Wake-up

MOST Data Bus Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for MOST Data Bus Wiring Diagram for Mercedes-Benz CLS550 2009:

• Amplifier for sound system (if equipped)
• Comand operating, display and control module (w/ comand)
• Fiber optical cable connector (most)
• Media interface control unit (if equipped)
• Most
• Most in
• Most out
• Most wakeup
• Most wakeup c1
• Out
• Pnk
• Sdar control unit (w/ sdar) high-defination tuner control unit (w/ high-defination tuner) (sdar control unit: right side of trunk)
• Wake-up
• Wake-up signal connector

Multimedia Interface Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Multimedia Interface Wiring Diagram for Mercedes-Benz CLS550 2009:

• C26
• Comand operating, display & control module
• Fuse 7.5a
• Hot at all times
• Interior fuse box (left end of dash)
• Media interface connector 1
• Media interface control unit
• Most
• Most data bus circuit
• Most in
• Most out
• Nca
• Pnk
• Red
• W15/2 (left front footwell)
• Wake up

Satellite Radio Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Satellite Radio Wiring Diagram for Mercedes-Benz CLS550 2009:

• Fuse 5a
• Hot at all times
• Most
• Most data bus circuit
• Most in
• Most out
• Nca
• Pnk
• Rear prefuse (right side of trunk)
• Roof antenna
• Sdar control unit (right side of trunk)
• W17/1 (left "c" pillar)
• Wake-up

Sound Amplifier Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Sound Amplifier Wiring Diagram for Mercedes-Benz CLS550 2009:

• Amplifier for sound system
• Bass module loud speaker
• C28
• Center cockpit speaker (centerfill)
• Emergency call system control unit (center front of trunk)
• Fuse 30a
• Fuse 40a
• Hot at all times
• Left front door speaker group
• Left rear door speaker group
• Left rear surround loudspeaker
• Most
• Most data bus circuit
• Most in
• Most out
• Most wake up
• Nca
• Pnk
• Rear prefuse (right side of trunk)
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Right front door speaker group
• Right rear door speaker group
• Right rear surround loudspeaker
• Subwoofer amplifier
• Tweeter
• W6 (right side of trunk)
• Woofer

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Shift Interlock Wiring Diagram for Mercedes-Benz CLS550 2009:

• 58d
• 7-speed a/t
• Can-c h
• Can-c l
• Chassis circuit 87 relay
• Computer data lines system
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Eis (ezs) control unit
• Electric steering lock control module (on steering column)
• Electronic selector lever module control module
• Engine circuit 87 relay
• Etc (egs) control module (w/ etc) (right front footwell) electric control unit (7-speed a/t)
• Fuse 150a
• Fuse 7.5a
• Gear display sensor
• Hot at all times
• Keyless-go start/stop button (if equipped)
• Nca
• Passenger-side sam control module
• Rear prefuse box (right side of trunk)
• Red
• Reversing and parking lock locking solenoid
• W/ etc
• W15/1 (right front footwell)
• W15/1 (w/ etc) (right front footwell)
• W15/2 (w/ 7 speed a/t) (left front footwell)

STARTING/CHARGING

Charging Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Charging Wiring Diagram for Mercedes-Benz CLS550 2009:

• Battery
• Battery sensor
• C21
• C22
• Can-b-h
• Can-b-l
• Can-c-h
• Can-c-l
• Computer data lines system
• Driver-side sam control module w/ fuse & relay module (left side of engine compt)
• Front prefuse
• Fuse 5a
• Generator
• Instrument cluster
• Lin
• Me-sfi (me) control module (left rear of engine compt)
• Rear prefuse box (right side of trunk)
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Starter
• W10 (right side of trunk)

Starting Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Starting Wiring Diagram for Mercedes-Benz CLS550 2009:

• Battery
• Battery sensor
• Can-c h
• Can-c l
• Charging circuit
• Circuit relay
• Computer data lines system
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Eis (ezs) control unit
• Electric control unit (vgs) (7-speed a/t)
• Electronic selector lever control module
• Engine circuit 87 relay
• Etc (egs) control module (5-speed a/t) (right front footwell)
• Front prefuse
• Fuse 150a
• Fuse 15a
• Fuse 200a
• Me-sfi (me) control module (left rear of engine compt)
• Rear prefuse box (right side of trunk)
• Red
• Solid state
• Starter
• Starter relay
• Str
• W10 (right side of trunk)

SUPPLEMENTAL RESTRAINTS

Emergency Seat Belt Tensioners Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Emergency Seat Belt Tensioners Wiring Diagram for Mercedes-Benz CLS550 2009:

• Can h
• Can l
• Computer data lines system
• Driver-side sam control module w/ fuse & relay module (left side of engine compt)
• Front prefuse box
• Fuse 40a
• Fuse 7.5a
• Hot at all times
• Hot w/ circuit 15 relay energized
• Left front reversible emergency tensioning retractor
• Rear prefuse box (right side of trunk)
• Right front reversible emergency tensioning retractor
• W15/1 (right front footwell)
• W15/2 (left front footwell)

NECK-PRO Head Restraints Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for NECK-PRO Head Restraints Wiring Diagram for Mercedes-Benz CLS550 2009:

• C38
• Can-b h
• Can-b l
• Computer data line system
• Computer data lines system
• Driver neck-pro head restraint solenoid
• Driver-side sam control module w/ fuse & relay module (left side of engine compt)
• Front passenger neck-pro head restraint solenoid
• Fuse 7.5a
• Hot at all times
• Interior fuse box (left end of dash)
• Nca
• Neck-pro head restraint relay
• Neck-pro head restraints triggering device
• Rear head restraints switch
• Upper control panel control module
• W15/1 (right front footwell)
• W15/2 (left front footwell)

Supplemental Restraint Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009

List of elements for Supplemental Restraint Wiring Diagram (1 of 2) for Mercedes-Benz CLS550 2009:

• (pins 5 thru 32: not used)
• 15r
• Ab1 d1+
• Ab1 d1-
• Ab1 p1+
• Ab1 p1-
• Ab2 d2+
• Ab2 d2-
• Ab2 p2+
• Ab2 p2-
• Can h
• Can l
• Computer data lines system
• Crash
• Crash sig
• Driver side frontal accel- eration sensor
• Driver side seat belt buckle restraint systems switch
• Driver side side air bag & window air bag sensor
• Driver-side sam control module w/ fuse & relay module (left side of engine compt) i4
• Drvr belt
• Etr d+
• Etr d-
• Etr lr+
• Etr lr-
• Etr p+
• Etr p-
• Etr rr+
• Etr rr-
• Fuse 5a
• Fuse 7.5a
• Gkb fa+
• Gkb fa-
• Hot at all times
• Hot w/ circuit 15 relay energized
• Hot w/ circuit 15r relay energized
• Interior fuse box (left end of dash)
• Left front wss (weight sensing system sensor) (under right front seat)
• Left rear wss (weight sensing system sensor) (under right front seat)
• Nca
• Pass belt
• Passenger seat belt buckle restraint systems switch
• Passenger side frontal accel- eration sensor
• Passenger's side side air bag & window air bag sensor
• Red
• Restraint systems control module (under front of center console)
• Right front wss (weight sensing system sensor) (under right front seat)
• Right rear wss (weight sensing system sensor) (under right front seat)
• Sb d+
• Sb d-
• Sb lr+
• Sb lr-
• Sb p+
• Sb p-
• Sb rr+
• Sb rr-
• Side l
• Side r
• Upfront l
• Upfront r
• W15/1 (right front footwell)
• W26 (under center console)
• Wb l+
• Wb l-
• Wb r+
• Wb r-
• Weight sensing system (wss) control unit

Supplemental Restraint Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009

List of elements for Supplemental Restraint Wiring Diagram (2 of 2) for Mercedes-Benz CLS550 2009:

• Driver air bag ignition squib 1
• Driver air bag ignition squib 2
• Driver buckle etr squib
• Driver etr (gus) ignition squib
• Driver kneebag ignition squib
• Driver side air bag ignition squib
• Fanfare horns & air bag clock spring contact
• Front passenger air bag ignition squib 1
• Front passenger air bag ignition squib 2
• Front passenger buckle etr squib
• Front passenger etr (gus) squib
• Left front window air bag squib
• Left rear etr ignition squib
• Left rear side air bag ignition squib
• Red
• Right front window air bag squib
• Right rear etr ignition squib
• Right rear side air bag ignition squib
• Right side air bag ignition squib
• Steering column module
• W/ reversible emergency tensioning retractor
• W/o reversible emergency tensioning retractor
• W15/1 (right front footwell)
• W15/2 (left front footwell)

TRANSMISSION

Transmission Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Transmission Wiring Diagram for Mercedes-Benz CLS550 2009:

• 58d
• B1 brake ctrl sol vlv (vgs)
• B2 brake ctrl sol vlv (vgs)
• B3 brake ctrl sol vlv (vgs)
• Can-c h
• Can-c l
• Computer data lines system
• Driver side sam control module w/ fuse & relay module (left side of i7 engine compt)
• Eis (ezs) control unit
• Electric control unit (vgs)
• Electric steering lock control module (on steering column)
• Electronic selector lever module control module
• Elv-mas
• Fully integrated transmission control (vgs) control unit
• Fuse 7.5a
• Gear display sensor
• Gnd
• Hot w/ chassis circuit 87 relay energized
• Internal speed sensor (vgs)
• K1 clutch ctrl sol vlv (vgs)
• K2 clutch ctrl sol vlv (vgs)
• K3 clutch ctrl sol vlv (vgs)
• Keyless go start/stop pushbutton (if equipped)
• Nca
• Output speed sensor (vgs)
• P r n d- d+
• Passenger side sam control unit (right front footwell)
• Reversing & parking lock locking solenoid
• Selection range sensor (vgs)
• Start
• Torque converter lockup ctrl sol vlv (vgs)
• Transmission oil temp sensor (vgs)
• Turbine speed sensor (vgs)
• W/ keyless go
• W/o keyless go
• W15/2 (left front footwell)
• Working press ctrl sol vlv (vgs)

TRUNK, TAILGATE, FUEL DOOR

Trunk Pull-Down Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Trunk Pull-Down Wiring Diagram for Mercedes-Benz CLS550 2009:

• (left side of trunk) tlc (hds) control module
• 58d
• Can-b h
• Can-b l
• Closed
• Computer data lines system
• Driver trunk lid open/close switch
• Fuse 30a
• Hot at all times
• Left front door control unit (left front door)
• Nca
• Open
• Power closing drive motor
• Power locking switch
• Rear prefuse box (right side of trunk)
• Red
• Rtl (hdfs) pushbutton
• Trunk lid drive motor
• Trunk lid opening angle detection sensor
• W6/1 (left side of trunk)

WARNING SYSTEMS

Seat Belt Warning Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Seat Belt Warning Wiring Diagram for Mercedes-Benz CLS550 2009:

• 15g
• 31e
• Audible turn signal ind
• Brake fluid & parking brake warning lamp
• Brake fluid indicator switch
• Can l can h
• Can-b h
• Can-b l
• Computer data lines system
• Driver side sam control module w/ fuse & relay module (left side of engine compt)
• Driver side seat belt buckle restraint systems switch
• Drv belt
• Esp & abs warning lamp
• Esp control unit (left rear of engine compt)
• Fuse 7.5a
• Hot at all times
• Hot w/ circuit 15 relay energized
• I13
• Instrument cluster
• Left front door contact switch (on left b-pillar)
• Multi-function display
• Nca
• Parking brake indicator switch
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Restraint systems control module (under front of center console)
• Right front brake pad contact sensor
• Right rear brake pad contact sensor
• Seat belt reminder lamp
• Tk vo re
• W15/1 (right front footwell)
• W15/2 (left front footwell)
• W2 (right front of engine compt)
• W26 (under center console)
• Warning buzzer

Tire Pressure Monitoring Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Tire Pressure Monitoring Wiring Diagram for Mercedes-Benz CLS550 2009:

• Can-b h
• Can-b l
• Central tpm (rdk) antenna
• Cluster
• Computer data lines system
• Fuse 7.5a
• Hot at all times
• Instrument
• Left front tpm (rdk) wheel sensor
• Left rear tpm (rdk) wheel sensor
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Right front tpm (rdk) wheel sensor
• Right rear tpm (rdk) wheel sensor
• Tpm control module (left side of trunk)

WIPER/WASHER

Headlamp Washer Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Headlamp Washer Wiring Diagram for Mercedes-Benz CLS550 2009:

• (right side of trunk)
• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Computer data lines system
• Driver-side sam control module w/ fuse & relay module (left side of engine compt)
• Exterior lamp switch
• Fuse 200a
• Hcs (sra) switch
• Hcs pump
• Hot at all times
• I10
• Instrument cluster
• Rear prefuse
• Red
• Sra
• W15/2 (left front footwell)

Wiper/Washer Wiring Diagram for Mercedes-Benz CLS550 2009

List of elements for Wiper/Washer Wiring Diagram for Mercedes-Benz CLS550 2009:

• Can-b h
• Can-b l
• Can-c h
• Can-c l
• Combination switch
• Computer data lines system
• Coolant level indicator switch
• Driver-side sam control module w/ fuse & relay module (left side of engine compt)
• Eis (ezs) control unit
• Fuse 200a
• Fuse 40a
• Hot at all times
• Hot w/ circuit 15r relay energized
• Instrument cluster
• Motor
• Overhead control panel control module
• Rear prefuse (right side of trunk)
• Rear sam control module w/ fuse & relay module (left side of trunk)
• Red
• Steering column module
• W15/2 (left front footwell)
• W2 (right front of engine compt)
• Washer nozzle heater
• Washer nozzle hose heater
• Windshield washer fluid level indicator switch
• Windshield washer fluid pump
• Windshield washer system switch
• Wiper motor
• Wiper switch