Mercedes-Benz CLK320 2003 - 2003 MERCEDES-BENZ CLK320, CLK430 & CLK55 (208 CHASSIS)

Mercedes-Benz CLK320 2003 - BUZZERS, RELAYS & TIMERS

Mercedes-Benz CLK320 2003 BUZZERS, RELAYS & TIMERS LOCATION

Component	Component Location
AIR Relay Module	In driver side fuse & relay module box.
Auxiliary Fan Relay Module (Stage 1)	In driver side fuse & relay module box.
Auxiliary Fan Relay Module (Stage 2)	In driver side fuse & relay module box.
CF Relay Module	In driver side fuse & relay module box.
Combination Relay	In driver side fuse & relay module box.
ESA Relay Module	In trunk, at right wheelwell.
FP Relay Module	In rear fuse & relay module box.
HCS Pump Relay	In driver side fuse & relay module box.
High Pressure/Return Pump Relay	On left side of engine compartment, on ESP/SPS/BAS hydraulic unit.
High Pressure/Return Pump Relay Module	In driver side fuse & relay module box.
Horn Relay	In driver side fuse & relay module box.
Kickdown Cutout Relay Module	In passenger side fuse & relay module box.
O2S2 Heater Relay Module	In driver side fuse & relay module box.
Rear Foglamp Off Relay Module	Under trim panel, at base of left "B" pillar.
Solenoid Valve Relay	On left side of engine compartment, on ESP/SPS/BAS hydraulic unit.
Starter Relay	In passenger side fuse & relay module box.
Stoplight Suppression Relay Module	In front passenger footwell, under foot support.
Wiper Stage 1 Relay	In driver side fuse & relay module box.
Wiper Stage 2 Relay	In driver side fuse & relay module box.

Mercedes-Benz CLK320 2003 - CIRCUIT PROTECTION DEVICES

Mercedes-Benz CLK320 2003 CIRCUIT PROTECTION DEVICES LOCATION

Component	Component Location
Driver Side Fuse & Relay Module Box	At left rear corner of engine compartment. See Fig. 2.
Interior Fuse Box	At left end of dash.
Passenger Side Fuse & Relay Module Box	At right rear corner of engine compartment. See Fig. 1.
Rear Fuse & Relay Module Box	At left front of luggage compartment. See Fig. 2.

Mercedes-Benz CLK320 2003 - CONTROL UNITS

Mercedes-Benz CLK320 2003 CONTROL UNITS LOCATION

Component	Component Location
BAS Control Module	Below brake master cylinder.
Blower Regulator	Integrated into electric cooling fan, on engine side of radiator.
DAS Control Module	Behind instrument cluster.
Door Control Module (2)	In respective door.
Electronic Ignition Lock Control Module	On ignition switch.
Engine Control Module	At right rear corner of engine compartment.
ESA Control Module (Left Front)	Below left front seat.
ESA Control Module (Right Front)	Below right front seat.
ESP/SPS/BAS Control Module	At right front of engine compartment. See Fig. 2.
Garage Door Opener Control Module	On left sun visor.
Headlight Range Adjustment Control Module	In front passenger footwell, under foot support.
Lower Control Field Control Module	Under center console, to left of shifter assembly.
Overhead Control Panel Control Module	At front of sliding/pop-up roof opening.
PSE Control Module	At right side of trunk. See Fig. 1.
Signal Pickup & Activation Module (Left Front)	On bottom of driver side fuse & relay module box.
SRS Control Module	Under front of center floor console.
Transmission Control Module	In front passenger footwell, under foot support.
Ultrasonic PTS Control Module	In front passenger footwell, under foot support.
Upper Control Field Control Module	Behind center of dash, below air vents.
Xenon Headlight Control Module (2)	On respective headlight assembly.
Xenon Headlight Ignition Module (2)	On respective headlight assembly.

Mercedes-Benz CLK320 2003 - MOTORS

Mercedes-Benz CLK320 2003 MOTORS LOCATION

Component	Component Location
AIR Pump	On top center front of engine.
Blower Motor	Behind right side of dash.
Cycling Module/High Pressure/Return Pump	Integral to ESP/SPS/BAS hydraulic unit.
ESP/SPS/BAS Hydraulic Unit	At left front of engine compartment. See Fig. 2.
Fuel Pump	Under right rear seat, in fuel tank.
Headlight Range Adjustment Motor (2)	Behind respective headlight.
Headlight Washer Pump	On washer fluid reservoir.
Headlight Wiper Motor (2)	Beneath respective headlight.
High Pressure/Return Pump	Integral to ESP/SPS/BAS hydraulic unit.
Rear Window Sun Shade Motor	Under left side of rear window shelf.
Sliding/Pop-Up Roof Motor	At center of windshield header, above dome light.
Throttle Valve Actuator	On top rear of engine, attached to throttle valve assembly.
Windshield Washer Pump	On washer fluid reservoir.
Wiper Motor	On center of firewall.

Mercedes-Benz CLK320 2003 - SENDING UNITS & SENSORS

Mercedes-Benz CLK320 2003 SENDING UNITS & SENSORS LOCATION

Component	Component Location
ABS Yaw Rate & Lateral Acceleration Sensor	At right rear of luggage compartment. See Fig. 1.
ATA Tow Sensor	On trunk floor, under mat.
Brake Pad Wear Sensor	On respective brake caliper.
Camshaft Hall Effect Sensor	At front of right cylinder head.
CKP Sensor	On left rear side of engine.
Distronic Radar Sensor	Behind center of grille. See Fig. 1.
Drive Actual Value Potentiometer	Integral to throttle valve actuator.
ECT Sensor	On top center front of engine.
ESP Brake Pressure Sensor	In engine compartment, on left side of master cylinder.
Evaporator Temperature Sensor	Behind left center of dash, above accelerator pedal.
Front Axle Sensor (Headlight Range Adjustment)	In right front wheelhouse, on upper control arm.
Fuel Tank Emissions Monitoring Pressure Sensor	Beneath washer fluid reservoir, on left side of engine compartment.
Fuel Tank Pressure Sensor	Under right rear of vehicle.
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.
Heater Core Temperature Sensor	Behind center of dash.
Hot Film MAF Sensor	On air intake duct.
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.
Intake Air Temperature Sensor	Integrated into hot film MAF sensor assembly.
Left Front VSS Sensor	On left front wheel hub.
Left Fuel Level Sensor	In fuel tank, under left rear seat.
Left Knock Sensor	On top left side of engine, under intake manifold.
Left Rear VSS Sensor	On left rear wheel hub.
Membrane Travel Sensor (BAS)	On left side of brake booster assembly.
Oil Sensor	On lower right front of engine.
Outside Temperature Indicator Sensor	At left front of vehicle, below bumper.
Pedal Value Sensor	At left rear corner of engine compartment.
Pressure Sensor	On top right front of engine.
Rain & Light Sensor	At top center of windshield. See Fig. 1.
Rear VSS Sensor	On right front of differential housing.
Refrigerant Pressure & Temperature Sensor	At left bottom of refrigerant condenser.
Right Front VSS Sensor	On right front wheel hub.
Right Fuel Level Sensor	In fuel tank, under right rear seat.
Right Knock Sensor	On top right side of engine, under intake manifold.
Right Rear VSS Sensor	On right rear front wheel hub.
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.
Sun Sensor (4)	At center of air inlet grille, at rear of hood. See Fig. 2.
Throttle Valve Actual Value Potentiometer	Integral to throttle valve actuator.

Mercedes-Benz CLK320 2003 - SOLENOIDS & SOLENOID VALVES

Mercedes-Benz CLK320 2003 SOLENOIDS & SOLENOID VALVES LOCATION

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.
Duovalve	In right rear corner of engine compartment.
EGR Valve Vacuum Transducer	On top right rear of engine.
Purge Control Valve	At left front corner of engine compartment.
Purge Flow Shut Off Valve	In engine compartment, on left wheelwell.
Resonance Switchover Valve	On top left front of engine.
Solenoid Valve	Integral to brake booster.
Trunk Release Control Valve	On trunk lock assembly.

Mercedes-Benz CLK320 2003 - SWITCHES

Mercedes-Benz CLK320 2003 SWITCHES LOCATION

Component	Component Location
Back-Up Light Switch	Integral to transmission range recognition switch.
Brake Fluid Level Switch	On brake master cylinder reservoir.
ECL Switch	On right side of engine compartment, attached to coolant reservoir.
Kickdown Switch	Behind top of accelerator pedal.
Left Front Seat Belt Buckle Switch	At base of left "B" pillar, on belt reel.
Neutral Safety Switch	On left side of transmission.
Parking Brake Switch	Beneath left side of dash, on base of "A" pillar.
Release Switch	Integral to brake booster.
Right Front Seat Belt Buckle Switch	At base of right "B" pillar, on belt reel.
Stoplight Switch	At brake pedal.
Transmission Range Recognition Switch	At base of gear selector lever.
Windshield Washer Fluid Level Switch	On washer fluid reservoir.

Mercedes-Benz CLK320 2003 - MISCELLANEOUS

Mercedes-Benz CLK320 2003 MISCELLANEOUS LOCATION

Component	Component Location
Antenna Amplifier	At top of rear window.
Audio Power Amplifier	At left front of luggage compartment.
CD Changer	In glove box.
CTEL Interface	At left front of trunk.
CTEL Transmitter-Receiver	At center 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 of engine compartment.
Left Front Door IR Receiver	Integrated into driver's door handle.
RCL Receiver	On center rearview mirror.
Right Front Door IR Receiver	Integrated into passenger door handle.
Transponder Coil	Surrounding ignition lock cylinder.
Trunk Lid IR Receiver	On rear of trunk, next to lock cylinder.

Mercedes-Benz CLK320 2003 - CONNECTORS

Mercedes-Benz CLK320 2003 CONNECTORS LOCATION

Component	Component Location
X1/19	At left "C" pillar, under trim panel.
X1/20	At left "C" pillar, under trim panel.
X1/22	At left "C" pillar, under trim panel.
X4/37	At right front of luggage compartment.
X11/4	At left rear of engine compartment.
X18/23	Under center front of headliner, near sun roof motor.
X18/33	At left front of engine compartment.
X18/35	At base of right kick panel.
X18/36	At base of right kick panel.
X28/26	At kick panel, below left front door.
X30/4	At base of right kick panel.
X30/6	Under left side of dash.
X30/7	At kick panel, below left front door.
X30/8	At base of right kick panel.
X30/12	At kick panel, below left front door.
X35/1	At base of left kick panel.
X35/2	At base of right kick panel.
X35/27	At base of right kick panel.
X35/33	At kick panel, below left front door.
X35/56	At kick panel, below left front door.
X36/3	Under left side of rear seat.
X38	Under left side of rear package shelf.
X39/36	At base of right kick panel.
X58	Under left side of rear bumper
X85/9	At kick panel, below left front door.
X88/11	At kick panel, below left front door.

Mercedes-Benz CLK320 2003 - GROUNDS

Mercedes-Benz CLK320 2003 GROUNDS LOCATION

Component	Component Location
W5	At base of left "C" pillar. See Fig. 2.
W6/1	At left side of luggage compartment. See Fig. 2.
W7	At right rear of luggage compartment. See Fig. 1.
W9	Behind left headlight. See Fig. 2.
W10	At right rear of engine compartment, near battery. See Fig. 1.
W11	At front top of engine, right of AIR pump. See Fig. 2.
W11/3	At left front of engine compartment. See Fig. 2.
W13	At right rear of passenger compartment, under trim panel. See Fig. 1.
W14	On ESP/SPS/BAS Hydraulic Unit bracket.
W16/3	At left front of engine compartment, beneath washer fluid reservoir. See Fig. 2.
W16/4	In passenger side fuse & relay module box. See Fig. 1.
W16/5	To the left of driver side fuse & relay module box. See Fig. 2.
W18	Beneath driver seat. See Fig. 2.
W19	Beneath passenger seat. See Fig. 1.
W28/2	In passenger footwell, near front of kick panel. See Fig. 1.
W29/3	At left "C" pillar, under trim panel. See Fig. 2.
W49	At left rear of engine compartment. See Fig. 2.

Mercedes-Benz CLK320 2003 - SPLICES

Mercedes-Benz CLK320 2003 SPLICES LOCATION

Component	Component Location
Z3/12	In right luggage compartment harness, above right rear wheelwell.
Z3/31	In left door harness, under door handle.
Z4/3	In right luggage compartment harness, above right rear wheelwell.
Z4/9	In right luggage compartment harness, above right rear wheelwell.
Z6/8	In right engine harness, at right side of engine compartment.
Z6/30	In right luggage compartment harness, above right rear wheelwell.
Z6/63	In right luggage compartment harness, above right rear wheelwell.
Z7	In right rear passenger harness, ahead of right rear wheelwell.
Z7/35	In left engine harness, at rear center of engine compartment.
Z7/36	In right engine harness, at right rear of engine compartment.
Z7/46	In left luggage compartment harness, at left side of luggage compartment.
Z7/55	In right engine harness, at right rear of engine compartment.
Z10	In left luggage compartment harness, at left side of luggage compartment.
Z15	In engine harness, at left rear of engine compartment.
Z20/62	In left rear passenger harness, ahead of left rear wheelwell.
Z36/1	In left luggage compartment harness, at left side of luggage compartment.
Z36/2	In left luggage compartment harness, at left side of luggage compartment.
Z36/3	In left engine compartment harness, behind left headlight assembly.
Z36/4	In left engine compartment harness, behind left headlight assembly.
Z81	In passenger harness, at left side of center console.
Z81/4	In left front passenger harness, at left side of center console.
Z87/15	In left rear passenger harness, ahead of left rear wheelwell.
Z87/17	In left luggage compartment harness, above left rear wheelwell.
Z87/18	In left luggage compartment harness, above left rear wheelwell.
Z87/22	In right luggage compartment harness, above right rear wheelwell.
Z87/23	In right luggage compartment harness, above right rear wheelwell.