Mercedes-Benz CLK320 1999 - 1998-99 MERCEDES-BENZ CLK320 & CLK430

Mercedes-Benz CLK320 1999 - BUZZERS, RELAYS & TIMERS

Mercedes-Benz CLK320 1999 BUZZERS, RELAYS & TIMERS

Component	Component Location
AIR Pump Relay Module	In passenger side fuse & relay module box.
FP Relay Module	In trunk.
HCS Pump Relay	In driver side fuse & relay module box.
High Pressure/Return Pump Relay Module	In driver side fuse & relay module box.
Horn Relay	In driver side fuse & relay module box.
Oil Cooler Fan Relay	In driver side fuse & relay module box.
Polarity Protection Relay	In passenger side fuse & relay module box.
Starter Relay	In passenger side fuse & relay module box.
Stoplight Suppression Relay Module	In front passenger's footwell, under foot support. See Fig. 2 .
Wiper Stage 1 Relay	In driver side fuse & relay module box.
Wiper Stage 2 Relay	In driver side fuse & relay module box.
Windshield Washer Relay	In driver side fuse & relay module box.

Mercedes-Benz CLK320 1999 - CIRCUIT PROTECTION DEVICES

Mercedes-Benz CLK320 1999 CIRCUIT PROTECTION DEVICES

Component	Component Location
Driver Side Fuse & Relay Module Box	At left rear corner of engine compartment. See Fig. 2 .
Fuse & Relay Box	At left side of engine compartment.
Passenger Side Fuse & Relay Module Box	At right rear corner of engine compartment. See Fig. 2 .

Mercedes-Benz CLK320 1999 - CONTROL UNITS

Mercedes-Benz CLK320 1999 CONTROL UNITS

Component	Component Location
AIR Control Module	At left front corner of engine compartment.
BAS Control Module	Below brake master cylinder.
Blower Regulator	Behind right side of dash, near blower motor.
Engine/Climate Control Electric Cooling Fan Control Module	In left front wheelhouse.
Engine Control Module (ME-SFI)	At right rear corner of engine compartment.
Electronic Ignition Lock Control Module	On ignition switch.
ESA Control Module (Left Front) (W/ Memory)	Below left front seat.
ESA Control Module (Right Front) (W/ Memory)	Below right front seat.
ESC Control Module	Behind left side of dash, below steering column.
ESP/SPS/BAS Control Module	At right rear corner of engine compartment. See Fig. 2 .
Front HS Control Module	Behind center of dash.
Headlamp Range Adjustment Control Module (W/ Xenon)	At right rear corner of engine compartment.
PSE Control Module	In right side of trunk.
RB Control Module (Power Soft Top)	At front of trunk.
Roof Control Panel Control Module	At front of sliding/pop-up roof opening.
Signal Pickup & Activation Module (SAM) (Left Front)	On bottom of driver side fuse & relay module box.
SRS Control Module	Under front of center floor console.
Transmission Control Module	At center rear of engine compartment.
Ultrasonic PTS Control Module	Behind right side of dash.
Xenon Headlamp Control Module (2)	On respective headlight assembly.
Xenon Headlamp Ignition Module (2)	On respective headlight assembly.

Mercedes-Benz CLK320 1999 - MOTORS

Mercedes-Benz CLK320 1999 MOTORS

Component	Component Location
Aspirator Blower	Integral to in-car temperature sensor.
Actuator Motor	Integral to throttle valve actuator.
Air Pump	On top center front of engine. See Fig. 1 .
ASR/ETS/ESP Hydraulic Unit	At left side of engine compartment. See Fig. 2 .
Blower Motor	Behind right side of dash.
Coolant Circulation Pump	At left (or right) front corner of engine compartment.
Cycling Module/High Pressure/Return Pump	Integral to ASR/ETS/ESP hydraulic unit.
High-Pressure/Return Pump	Integral to ASR/ETS/ESP hydraulic unit.
Headlamp Washer Pump	On washer fluid reservoir.
Throttle Valve Actuator	On top rear of engine. See Fig. 1 .
Wiper Motor	On center of firewall.
Windshield Washer Pump	On washer fluid reservoir.

Mercedes-Benz CLK320 1999 - SENDING UNITS & SENSORS

Mercedes-Benz CLK320 1999 SENDING UNITS & SENSORS

Component	Component Location
ABS Lateral Acceleration Sensor	In front of trunk, under cover. See Fig. 2 .
ATA Tow Sensor	On trunk floor, under mat.
Camshaft Hall Effect Sensor	On right front side of engine. See Fig. 1 .
CKP Sensor	On left rear side of engine. See Fig. 1 .
Drive Actual Value Potentiometer	Integral to throttle valve actuator.
ECT Sensor	On top center front of engine. See Fig. 1 .
ESP Brake Pressure Sensor	In engine compartment, on hydraulic unit. See Fig. 2 .
ESP Yaw Rate Sensor	In front of trunk, under cover. See Fig. 2 .
Evaporator Temperature Sensor	Behind center of dash.
Fuel Tank Pressure Sensor	Under right rear of vehicle.
Heater Core Temperature Sensor	Behind center of dash.
Hot Film MAF Sensor	On air intake duct. See Fig. 1 .
Heated Oxygen Sensor No. 1 (Left)	On left exhaust pipe, before TWC.
Heated Oxygen Sensor No. 1 (Right)	On right exhaust pipe, before TWC.
Heated Oxygen Sensor No. 2 (Left)	On left exhaust pipe, after TWC.
Heated Oxygen Sensor No. 2 (Right)	On right exhaust pipe, after TWC.
In-Car Temperature Sensor	In overhead console.
Infrared Transmitter & Receiver (Left) (Interior Protection System)	At top of left "B" pillar.
Infrared Transmitter & Receiver (Right) (Interior Protection System)	At top of right "B" pillar.
Left Fuel Level Sensor	Below center rear of vehicle.
Left Knock Sensor No. 1	On top left side of engine. See Fig. 1 .
Membrane Travel Sensor (BAS)	On left side of brake master cylinder. See Fig. 2 .
Oil Sensor (Level, Temperature, Quality)	On lower right front of engine. See Fig. 1 .
Outside Temperature Indicator Temperature Sensor	At left front of vehicle, below bumper.
Pressure Sensor	On top right front of engine. See Fig. 1 .
Pedal Value Sensor	At left rear corner of engine compartment.
Right Fuel Level Sensor	Under right rear of vehicle.
Right Knock Sensor No. 2	On top right side of engine. See Fig. 1 .
Refrigerant Pressure Sensor	At left front corner of engine compartment.
Rain Sensor	At top center of windshield.
Refrigerant Temperature Sensor	At left front corner of engine compartment.
Side Air Bag Sensor (Left)	Below left front seat, on crossmember.
Side Air Bag Sensor (Right)	Below right front seat, on crossmember.
Steering Angle Sensor	At top of steering column. See Fig. 2 .
Throttle Valve Actual Value Potentiometer	Integral to throttle valve actuator.

Mercedes-Benz CLK320 1999 - SOLENOIDS & SOLENOID VALVES

Mercedes-Benz CLK320 1999 SOLENOIDS & SOLENOID VALVES

Component	Component Location
Activated Charcoal Canister Shut-Off Valve	Under left rear side of vehicle.
Air Pump Switchover Valve	On top right front of engine. See Fig. 1 .
EGR Valve Vacuum Transducer	On top left rear of engine. See Fig. 1 .
Purge Control Valve	At left front corner of engine compartment.
Resonance Intake Manifold Switchover Valve	On top left front of engine. See Fig. 1 .
RP Lock Valve	Behind left side of dash.
Switchover/Solenoid Valve	Integral to ASR/ETS/ESP hydraulic unit.
Solenoid Valve (BAS)	Integral to brake booster.

Mercedes-Benz CLK320 1999 - SWITCHES

Mercedes-Benz CLK320 1999 SWITCHES

Component	Component Location
Back-Up Light Switch	Integral to transmission range recognition switch.
ECL Switch	On top of radiator.
Kickdown Switch	Behind top of accelerator pedal.
Release Switch (BAS)	Integral to brake booster.
Seat Belt Buckle Switch (Left Front)	Integral to left front seat belt buckle.
Seat Belt Buckle Switch (Right Front)	Integral to right front seat belt buckle.
Stoplight Switch	At brake pedal. See Fig. 2 .
Transmission Range Recognition Switch	At base of gear selector lever.
Windshield Washer Fluid Level Switch	On washer fluid reservoir.

Mercedes-Benz CLK320 1999 - MISCELLANEOUS

Mercedes-Benz CLK320 1999 MISCELLANEOUS

Component	Component Location
APS Navigation Processor	At left front of trunk.
APS Radio & Navigation Operating Unit	Behind center of dash.
CTEL Interface	At center front of trunk.
CTEL Transmitter-Receiver	At left front of trunk.
Diagnostic Module (OBD II) Generic Scan Tool Connector	Under left side of dash.
Data Link Connector (DLC) (DTC Readout)	At right rear corner of engine compartment. See Fig. 2 .

Mercedes-Benz CLK320 1999 - CONNECTORS

Mercedes-Benz CLK320 1999 CONNECTORS

Component	Component Location
X4 (1-Pin)	Beneath vehicle, to left of transmission.
X11/4 (30-Pin)	At left rear of engine compartment.
X11/22 (16-Pin)	Under left side of dash.
X12/3 (1-Pin)	Left component compartment, at forward of fuse box.
X18 (2-Pin)	Left component compartment, beneath fuse and relay box.
X18/2 (1-Pin)	Left kick panel.
X18/9 (2-Pin)	At right front of luggage compartment.
X20 (2-Pin)	Vehicle interior, beneath dash, on brakelight switch.
X22/2 (4-Pin)	Right kick panel.
X25/4 (6-Pin)	At sill panel, below right front door.
X25/9 (2-Pin)	At left side of engine compartment, near ABS hydraulic unit.
X26/23 (4-Pin)	At sill panel, below right front door.
X26/27 (8-Pin)	Behind right side of front bumper.
X28/4 (2-Pin)	At sill panel, below right "A" pillar.
X28/12 (2 Pin	At sill panel, below right front door.
X30/7 (22-Pin)	At sill panel, below right front door.
X31/3 (2-Pin)	Under headliner near rear dome light.
X33/16 (3-Pin)	At left rear of engine compartment.
X33/17 (3-Pin)	At front of luggage compartment.
X35/3 (7-Pin)	At sill panel, below right "A" pillar.
X35/4 (7-Pin)	At sill panel, below right "B" pillar.
X35/27 (3-Pin)	At sill panel, below right front door.
X35/28 (6-Pin)	At right rear of luggage compartment.
X35/34 (3-Pin)	At left kick panel.
X35/41 (30-Pin)	At sill panel, below left "B" pillar.
X35/42 (12-Pin)	At sill panel, below right front door.
X36/3 (2-Pin)	In trunk, at right wheelwell.
X39/5 (8-Pin)	Center console.
X43/3 (1-Pin)	At sill panel, below right front door.
X47 (8-Pin)	At sill panel, below right front door.
X55/3 (20-Pin)	Beneath front of driver's seat.
X55/4 (20-Pin)	Beneath front of passenger seat.
X58/1 (2-Pin)	Center console.
X58/3 (2-Pin)	Driver's left footwell.
X62/1	At left rear wheel.
X62/2 (2-Pin)	At right rear wheel.
X62/6 (4-Pin)	Right front wheelwell, behind strut.
X62/7 (4-Pin)	Left front wheelwell, behind strut.
X62/11 (2-Pin)	In trunk, forward of spare tire.
X64/4 (2-Pin)	At right of left headlamp.

Mercedes-Benz CLK320 1999 - GROUNDS

Mercedes-Benz CLK320 1999 GROUNDS

Component	Component Location
W1	Left side of dash, behind instrument cluster, on firewall. See Fig. 2 .
W6	At left rear of engine compartment. See Fig. 2 .
W7	At right front of engine compartment. See Fig. 2 .
W10	In trunk, right frame rail. See Fig. 2 .
W11	Front top of engine. See Fig. 2 .
W11/3	At left front of engine compartment. See Fig. 2 .
W16/3	Beneath washer fluid container. See Fig. 2 .
W16/4	Right component compartment. See Fig. 2 .
W16/5	Beneath washer fluid container. See Fig. 2 .
W16/6	Right component compartment. See Fig. 2 .
W18	Beneath driver's seat. See Fig. 2 .
W19	Beneath passenger's, near door sill. See Fig. 2 .
W26	Center console, forward of shifter, beneath mounting lug for SRS control module.
W29/2	Right side of dash, near door jamb. See Fig. 2 .

Mercedes-Benz CLK320 1999 - SPLICES

Mercedes-Benz CLK320 1999 SPLICES

Component	Component Location
Z3	Center rear of engine compartment, in thick harness, 400 mm from S11, brake fluid level switch.
Z3/1	Left center dash, at base of windshield.
Z3/15	In right harness crosstray, on lower right flank of console.
Z3/26	In left engine compartment harness, at left rear of engine compartment.
Z3/27	In left engine compartment harness, at left rear of engine compartment.
Z4/4	In right component compartment.
Z6/16	Left center of dash at base of windshield.
Z7/35	Engine compartment, rear center, in engine harness.
Z10	In left interior harness, at left "B" pillar.
Z20	In left interior harness, at left "B" pillar.
Z20/1	In left trunk harness, in breakout to CTEL transmitter/receiver.
Z20/2	In left trunk harness, in breakout to CTEL transmitter/receiver.
Z20/5	In left trunk harness, in breakout to CTEL transmitter/receiver.
Z21/2	In right harness crosstray, on lower right flank of console.
Z29/1	In left interior harness, at sill panel below left front door.
Z30/3	In left interior harness, at sill panel below left front door.
Z30/4	In left interior harness, at sill panel below left front door.
Z30/5	In left interior harness, at left "B" pillar.
Z36/1	In right luggage compartment harness, behind right side of bumper.
Z36/2	In right luggage compartment harness, behind right side of bumper.
Z36/3	In left engine compartment harness, behind left side of front bumper.
Z36/4	In left engine compartment harness, behind left side of front bumper.
Z36/8	In dash harness, behind instrument cluster.
Z37/2	In right component compartment.
Z37/3	In right component compartment.
Z38	In left interior harness, at sill panel below left front door.
Z40	In left interior harness, at sill panel below left front door.
Z81	In left harness crosstray at left rear of center console.
Z81/4	In left harness crosstray, at left flank of center console.
Z87/15	Behind radio.