Mercedes-Benz CLS63 2008 - 2008-09 MERCEDES-BENZ CLS550 & CLS63

Mercedes-Benz CLS63 2008 - BUZZERS, RELAYS & TIMERS

Mercedes-Benz CLS63 2008 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
Additional Battery Relay	Right rear of engine compartment. See Fig. 24.
AIRmatic Relay (S)	Clipped on driver-side SAM control module. See Fig. 17.
Air Pump Relay (R)	On driver-side SAM control module. See Fig. 17.
Charge Air Cooler Circulation Pump Relay (Engine 156.983) (A)	On rear SAM control module. See Fig. 18.
Circuit 15 Relay (N)	On driver-side SAM control module. See Fig. 17.
Circuit 15R Relay (P)	On driver-side SAM control module. See Fig. 17.
Circuit 87 Relay, Chassis (K)	On driver-side SAM control module. See Fig. 18.
Circuit 87 Relay, Engine (I)	On driver-side SAM control module. See Fig. 17.
Fanfare Horn Relay (O)	On driver-side SAM control module. See Fig. 17.
Fuel Filler Cap Polarity Reverser 1 Relay (G)	On rear SAM control module. See Fig. 18.
Fuel Filler Cap Polarity Reverser 2 Relay (H)	On rear SAM control module. See Fig. 18.
Fuel Pump Relay (M273) (A)	On rear SAM control module. See Fig. 18.
Fuel Pump 2 Relay	Right side of trunk. See Fig. 59.
Heated Rear Window Relay (E)	On rear SAM control module. See Fig. 18.
Interruptible Loads Cutoff Relay	On driver-side SAM control module. See Fig. 57.
Oil Cooler Air Pump (R)	On driver-side SAM control module. See Fig. 17.
Rear Screen Blind Relay	Left side of trunk. See Fig. 58.
Rear Wiper Relay (D)	On rear SAM control module. See Fig. 18.
Relay 1, Circuit 15R (F)	On rear SAM control module. See Fig. 18.
Relay 2, Circuit 15R (B)	On rear SAM control module. See Fig. 18.
Reserve Relay (M)	On driver-side SAM control module. See Fig. 17.
Spare 2 Relay (C)	On rear SAM control module. See Fig. 18.
Starter Relay (L)	On driver-side SAM control module. See Fig. 17.

Mercedes-Benz CLS63 2008 - CIRCUIT PROTECTION DEVICES

Mercedes-Benz CLS63 2008 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Driver-Side SAM Control Module W/Fuse & Relay Module	Left side of engine compartment. See Fig. 54.
Interior Fuse Box	Left end of dash. See Fig. 19.
Rear Prefuse Box	Right side of trunk. See Fig. 19.
Rear SAM Control Module W/Fuse & Relay Module	Left side of trunk. See Fig. 53.

Mercedes-Benz CLS63 2008 - CONTROL UNITS

Mercedes-Benz CLS63 2008 CONTROL UNITS LOCATION

Component	Location
AIRmatic W/ADS Control Module	Right front footwell. See Fig. 45.
Audio Gateway Control Module	Left side of trunk. See Fig. 38.
Battery Control Unit	At battery. See Fig. 42.
Blower Regulator	On blower motor. See Fig. 26.
Central Gateway Control Unit	Under left side of dash. See Fig. 39.
Electric Steering Lock Control Module (N26/5)	On steering column. See Fig. 49.
Emergency Call System Control Unit	Center front of trunk. See Fig. 32.
ESP Control Unit	Left rear of engine compartment. See Fig. 46.
ETC (EGS) Control Module	Right front footwell. See Fig. 51.
Frequency Switchover Control Module	Right front of trunk. See Fig. 37.
Fully Integrated Transmission Control (VGS) Control Unit	At transmission. See Fig. 23.
Headlamp Range Adjustment Control Module	Under front passenger's seat. See Fig. 43.
HS (SIH) & Seat Ventilation Control Module	Under driver's seat. See Fig. 50.
Left Front Door Control Unit	Left front door. See Fig. 25.
Left Fuel Pump Control Unit (N188/3)	Right side of trunk. See Fig. 35.
Left Rear Door Control Unit	Left rear door. See Fig. 25.
ME-SFI (ME) Control Unit	Left rear of engine compartment. See Fig. 55.
Navigation Processor	Left side of trunk. See Fig. 48.
Passenger-Side SAM Control Unit	Right front footwell. See Fig. 52.
PTS Control Module	Left side of trunk. See Fig. 44.
Rear Module Keyless Go Control Module	Left side of trunk. See Fig. 36.
Restraint Systems Control Module	Under front of center console. See Fig. 56.
Right Front Door Control Unit	Right front door. See Fig. 25.
Right Rear Door Control Unit	Right rear door. See Fig. 25.
SBC Control Unit	Part of SBC hydraulic unit. See Fig. 23.
SDAR Control Unit	Right side of trunk. See Fig. 41.
Steering Wheel Gear Shift Signal Processing Module	Inside steering wheel. See Fig. 31.
TLC (HDS) Control Module	Left side of trunk. See Fig. 34.
TPM Control Module	Left side of trunk. See Fig. 40.
Universal Portable CTEL Interface (UPCI (UHI)) Control Module	Center front of trunk. See Fig. 33.
Variable Intake Manifold Vacuum Unit	Front of intake manifold. See Fig. 74.
Voice Control System (VCS (SBS)) Control Unit	Right front of trunk. See Fig. 47.

Mercedes-Benz CLS63 2008 - MOTORS

Mercedes-Benz CLS63 2008 MOTORS LOCATION

Component	Location
AIRmatic Compressor Unit	Under left front of vehicle. See Fig. 22.
Backrest Fore/Aft Motor (Driver/Front Passenger)	Inside backrest of respective front seat. See Fig. 30.
Blower Motor	Under right side of dash. See Fig. 26.
Center Outlet Flap Actuator Motor	On HVAC unit. See Fig. 27.
Coolant Circulation Pump	Right front of engine compartment. See Fig. 26.
Electric Air Pump	Top front of engine. See Fig. 75.
Electric Suction Fan Engine & A/C W/Integrated Control	Center front of engine compartment. See Fig. 21.
Forward/Aft Motor (Driver/Front Passenger)	Under respective front seat. See Fig. 30.
Fresh Air & Air Recirculation Flap Actuator Motor	On HVAC unit. See Fig. 27.
Front Throttle Valve Actuator	Inside intake manifold. See Fig. 74.
Front Up/Down Motor (Driver/Front Passenger)	Under respective front seat. See Fig. 30.
Fuel Filler Flap CL (ZV) Motor	Right side of trunk. See Fig. 25.
Fuel Pump	Top right side of fuel tank. See Fig. 70.
Head Restraint Up/Down Motor (Driver/Front Passenger)	Inside backrest of respective front seat. See Fig. 30.
Heat Exchanger Shutoff Motor	Rear of engine compartment. See Fig. 26.
High-Pressure Charging Pump	Part of SBC hydraulic unit. See Fig. 23.
Left Blended Air Flap Positioning Motor	On HVAC unit. See Fig. 27.
Left Center Air Outlet Flap Actuator Motor	On HVAC unit. See Fig. 26.
Left Defroster Vent Flap Actuator Motor	On HVAC unit. See Fig. 27.
Left Footwell Flap Positioning Motor	On HVAC unit. See Fig. 27.
Left Front Door CL (ZV) Motor	Rear of left front door. See Fig. 25.
Left Rear Air Blending Air Flap Actuator Motor	On HVAC unit. See Fig. 26.
Left Rear Door CL Motor	Left rear door. See Fig. 25.
Mirror Fold-In Motor (Left/Right)	In respective mirror. See Fig. 28.
Mirror Fold-In Motor (Left/Right)	In respective mirror. See Fig. 28.
Mirror In/Out Adjustment Motor (Left/Right)	In respective mirror. See Fig. 28.
Mirror Up/Down Adjustment Motor (Left/Right)	In respective mirror. See Fig. 28.
Rear Throttle Valve Actuator	Inside intake manifold. See Fig. 74.
Rear Up/Down Motor (Driver/Front Passenger)	Under respective front seat. See Fig. 30.
Right Blended Air Flap Positioning Motor	On HVAC unit. See Fig. 27.
Right Center Air Outlet Flap Actuator Motor	On HVAC unit. See Fig. 26.
Right Defroster Vent Flap Actuator Motor	On HVAC unit. See Fig. 27.
Right Footwell Flap Positioning Motor	On HVAC unit. See Fig. 27.
Right Front Door CL Motor	Right front door. See Fig. 25.
Right Rear Air Blending Air Flap Actuator Motor	On HVAC unit. See Fig. 26.
Right Rear Door CL Motor	Right rear door. See Fig. 25.
Throttle Valve Actuator	Top rear of engine. See Fig. 77.
Trunk Lid CL (ZV) Motor	Left side of trunk. See Fig. 25.

Mercedes-Benz CLS63 2008 - SENDING UNITS & SENSORS

Mercedes-Benz CLS63 2008 SENDING UNITS & SENSORS LOCATION

Component	Location
Accelerator Pedal Sensor	Top of accelerator pedal assembly. See Fig. 20.
C-AAC Multifunction Sensor	Rear of engine compartment. See Fig. 26.
C-AAC Sun Sensor (4)	Rear center of engine hood. See Fig. 26.
Coolant Temperature Sensor (M156)	Right front of engine. See Fig. 71.
Coolant Temperature Sensor (M273)	Left rear of engine. See Fig. 76.
Crankshaft Hall Sensor (M156)	Left rear of engine. See Fig. 72.
Crankshaft Hall Sensor (M273)	Left rear of engine. See Fig. 76.
Evaporator Temperature Sensor	Left side of HVAC unit. See Fig. 26.
Fuel Level Sensor (Left)	Top left side of fuel tank. See Fig. 70.
Fuel Level Sensor (Right)	Top right side of fuel tank. See Fig. 70.
Fuel Pressure Sensor (M156)	Left front intake manifold. See Fig. 74.
Fuel Tank Pressure Sensor	Top left side of fuel tank. See Fig. 70.
Hot Film MAF Sensor (M273)	Top rear of engine. See Fig. 77.
In-Car Temperature Sensor (Dash)	Left side of dash. See Fig. 26.
In-Car Temperature Sensor (Overhead Control Panel)	In overhead control panel control module. See Fig. 26.
Intake Air Temperature Sensor (M156)	Left rear of engine. See Fig. 72.
Intake Manifold Pressure Sensor (M273)	Top of engine. See Fig. 77.
Intake Manifold Tumble Flap Position Sensor (Left)	Top left rear of engine. See Fig. 77.
Intake Manifold Tumble Flap Position Sensor (Right)	Top right rear of engine. See Fig. 77.
Knock Sensor 1 (Right) (M156)	Right side of engine. See Fig. 73.
Knock Sensor 1 (Right) (M273)	Top center of engine. See Fig. 78.
Knock Sensor 2 (Left) (M156)	Left side of engine. See Fig. 72.
Knock Sensor 2 (Left) (M273)	Top center of engine. See Fig. 78.
Left Exhaust Camshaft Hall Sensor (M156)	Left front of engine. See Fig. 71.
Left Exhaust Camshaft Hall Sensor (M273)	Left front of engine. See Fig. 75.
Left Front IR Receiver	Left front door, door handle. See Fig. 25.
Left Hot Film MAF Sensor (M156)	Top left rear of engine. See Fig. 71.
Left Intake Camshaft Hall Sensor (M156)	Left front of engine. See Fig. 71.
Left Intake Camshaft Hall Sensor (M273)	Left front of engine. See Fig. 75.
Left O2 Sensor (Downstream Of TWC)	In left exhaust, after TWC. See Fig. 21.
Left O2 Sensor (Upstream Of TWC)	In left exhaust, before TWC. See Fig. 21.
Oil Temperature Sensor (M156)	Left side of engine. See Fig. 72.
Outside Temperature Display Temperature Sensor	Behind left side of front fascia. See Fig. 26.
Refrigerant Pressure & Temperature Sensor	Left front of engine compartment. See Fig. 26.
Right Exhaust Camshaft Hall Sensor (M156)	Right front of engine. See Fig. 71.
Right Exhaust Camshaft Hall Sensor (M273)	Right front of engine. See Fig. 75.
Right Hot Film MAF Sensor (M156)	Top right rear of engine. See Fig. 71.
Right Intake Camshaft Hall Sensor (M156)	Right front of engine. See Fig. 71.
Right Intake Camshaft Hall Sensor (M273)	Right front of engine. See Fig. 75.
Right O2 Sensor (Downstream Of TWC)	In right exhaust, after TWC. See Fig. 21.
Right O2 Sensor (Upstream Of TWC)	In right exhaust, before TWC. See Fig. 21.
RPM Sensor (Left Front)	At left front wheel assembly. See Fig. 23.
RPM Sensor (Left Rear)	At left rear wheel assembly. See Fig. 23.
RPM Sensor (Right Front)	At right front wheel assembly. See Fig. 23.
RPM Sensor (Right Rear)	At right rear wheel assembly. See Fig. 23.
SBC Pedal Value Sensor	Left rear of engine compartment. See Fig. 23.
Steering Angle Sensor	Top of steering column. See Fig. 23.
WSS (Weight Sensing System) (Left Front)	Under right front seat. See Fig. 29.
WSS (Weight Sensing System) (Left Rear)	Under right front seat. See Fig. 29.
WSS (Weight Sensing System) (Right Front)	Under right front seat. See Fig. 29.
WSS (Weight Sensing System) (Right Rear)	Under right front seat. See Fig. 29.
Yaw Rate & Lateral Acceleration Sensor	Under center console. See Fig. 23.

Mercedes-Benz CLS63 2008 - SOLENOIDS & SOLENOID VALVES

Mercedes-Benz CLS63 2008 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
Air Injection Combination Valve (Left)	Front of left cylinder bank. See Fig. 77.
Air Injection Combination Valve (Right)	Front of right cylinder bank. See Fig. 75.
AIRmatic Central Reservoir Charge Valve	Under left front of vehicle. See Fig. 22.
Air Pump Switchover Valve (M156)	Front of engine. See Fig. 71.
Air Pump Switchover Valve (M273)	Right front of engine. See Fig. 75.
Axle Damping Valve Unit (Left Front)	In left front wheelwell. See Fig. 22.
Axle Damping Valve Unit (Left Rear)	In left rear wheelwell. See Fig. 22.
Axle Damping Valve Unit (Right Front)	In right front wheelwell. See Fig. 22.
Axle Damping Valve Unit (Right Rear)	In right rear wheelwell. See Fig. 22.
Fuel Injection Valves (Y62y1 - Y62y4) (M156)	Right side of intake manifold. See Fig. 74.
Fuel Injection Valves (Y62y5 - Y62y8) (M156)	Left side of intake manifold. See Fig. 74.
Fuel Injection Valves (Y62/1 - Y62/4) (M273)	Top of right cylinder bank. See Fig. 79.
Fuel Injection Valves (Y62/5 - Y62/8) (M273)	Top of right cylinder bank. See Fig. 79.
Fuel Pressure Regulator	Integral to fuel filter assembly. See Fig. 70.
Heating System Shutoff Valve (M156)	Right rear of engine. See Fig. 73.
Heating System Shutoff Valve (M273)	Rear of engine. See Fig. 80.
Left Air Shutoff Valve (M156)	Top left front of engine. See Fig. 71.
Left Exhaust Camshaft Solenoid (M156)	Left side of engine. See Fig. 71.
Left Exhaust Camshaft Solenoid (M273)	Left front of engine. See Fig. 75.
Left Intake Camshaft Solenoid (M156)	Left front of engine. See Fig. 71.
Left Intake Camshaft Solenoid (M273)	Left front of engine. See Fig. 75.
Power Steering Pump Regulator Valve	On power steering pump. See Fig. 76.
Refrigerant Compressor	Left front of engine. See Fig. 26.
Right Air Shutoff Valve (M156)	Top right front of engine. See Fig. 71.
Right Exhaust Camshaft Solenoid (M156)	Right side of engine. See Fig. 71.
Right Exhaust Camshaft Solenoid (M273)	Right front of engine. See Fig. 75.
Right Intake Camshaft Solenoid (M156)	Right front of engine. See Fig. 71.
Right Intake Camshaft Solenoid (M273)	Right front of engine. See Fig. 75.
SBC Hydraulic Unit	Right front of engine compartment. See Fig. 23.
Three-Disc Thermostat Valve	Top front of engine. See Fig. 75.
Variable Intake Manifold Switchover Diaphragm Unit (M273)	Top front of engine. See Fig. 79.
Variable Intake Manifold Switchover Valve (M156)	Front of intake manifold. See Fig. 74.

Mercedes-Benz CLS63 2008 - SWITCHES

Mercedes-Benz CLS63 2008 SWITCHES LOCATION

Component	Location
Left Front Door Contact Switch	On left "B" pillar. See Fig. 25.
Left Rear Door Contact Switch	On left "C" pillar. See Fig. 25.
Oil Level Check Switch (M156)	Right side of oil pan. See Fig. 73.
Oil Level Check Switch (M273)	Left side of oil pan. See Fig. 76.
Right Front Door Contact Switch	On right "B" pillar. See Fig. 25.
Right Rear Door Contact Switch	On right "C" pillar. See Fig. 25.
Stop Lamp Switch	Under left side of dash. See Fig. 23.

Mercedes-Benz CLS63 2008 - MISCELLANEOUS

Mercedes-Benz CLS63 2008 MISCELLANEOUS LOCATION

Component	Location
Cylinder Ignition Coils (T1/1 - T1/4) (M156)	Top of right cylinder bank. See Fig. 73.
Cylinder Ignition Coils (T1/1 - T1/4) (M273)	Top of right cylinder bank. See Fig. 79.
Cylinder Ignition Coils (T1/5 - T1/8) (M156)	Top of left cylinder bank. See Fig. 72.
Cylinder Ignition Coils (T1/5 - T1/8) (M273)	Top of left cylinder bank. See Fig. 79.
Data Link Connector	Under left side of dash. See Fig. 20.
Left Antenna Amplifier Module	Left "C" pillar. See Fig. 25.
Tumble Flap Switchover Aneroid Capsule	Top front of engine. See Fig. 79.
Two-Disk Thermostat Heating Element	Front of engine. See Fig. 71.

Mercedes-Benz CLS63 2008 - CONNECTORS

Mercedes-Benz CLS63 2008 CONNECTORS LOCATION

Component	Location
X11/35 (N/A)	Under left front of vehicle. See Fig. 69.
X18/35 (N/A)	In left front doorsill. See Fig. 68.
X25/8 (N/A)	Left "C" pillar. See Fig. 67.
X26 (N/A)	Left rear of engine. See Fig. 66.
X35/1 (N/A)	Front of driver's door. See Fig. 65.
X35/2 (N/A)	Front of front passenger's door. See Fig. 64.
X35/3 (N/A)	Front of left rear door. See Fig. 63.
X35/4 (N/A)	Front of right rear door. See Fig. 62.
X39/5 (N/A)	Under center console. See Fig. 61.
X87/6 (N/A)	Under left front of vehicle. See Fig. 60.

Mercedes-Benz CLS63 2008 - GROUNDS

Mercedes-Benz CLS63 2008 GROUNDS LOCATION

Component	Location
W2	Right front of engine compartment. See Fig. 1.
W3/1	Right front of engine compartment. See Fig. 2.
W6	Left side of trunk. See Fig. 3.
W6/1	Left side of trunk. See Fig. 4.
W7	Right side of trunk. See Fig. 5.
W9	Left front of engine compartment. See Fig. 6.
W10	Right side of trunk. See Fig. 7.
W11	Left rear of engine. See Fig. 8.
W11w1	Left rear of engine. See Fig. 10.
W11w2	Right rear of engine. See Fig. 11.
W11/3	Front of engine. See Fig. 9.
W15/1	Right front footwell. See Fig. 12.
W15/2	Left front footwell. See Fig. 13.
W15/3	Left rear of engine compartment. See Fig. 14.
W17/1	Left "C" pillar. See Fig. 15.
W26	Under center console. See Fig. 16.

Mercedes-Benz CLS63 2008 - SPLICES

Mercedes-Benz CLS63 2008 SPLICES LOCATION

Component	Location
Z3/1	Left rear of engine compartment.
Z3/11z1	Under left side of dash.
Z3/29z1	Left side of engine.
Z3/29z2	Front of engine.
Z4/3	Left front footwell.
Z5	Right side of engine.
Z5z2	Right side of engine.
Z6	Right side of engine.
Z6z1	Right side of engine.
Z6z2	Left rear of engine.
Z6/8	Left rear of engine compartment.
Z6/26	Right side of engine.
Z6/27	Left rear of engine compartment.
Z6/30	Right rear doorsill.
Z6/46	Right front footwell.
Z6/47	Left rear doorsill.
Z6/49	Right front of engine compartment.
Z6/50	Left front of engine compartment.
Z6/56	Under left rear seat.
Z7/1	Under left side of dash.
Z7/24	Right side of trunk.
Z7/35	Right side of engine.
Z7/35z1	Right side of engine.
Z7/35z2	Left rear of engine.
Z7/36	Right side of engine.
Z7/36z1	Right side of engine.
Z7/36z2	Left side of engine.
Z7/38	Right side of engine.
Z7/38z1	Right side of engine.
Z7/38z2	Rear of engine.
Z7/39	Left rear of engine compartment.
Z7/43	Right side of engine.
Z7/44	Rear of engine.
Z7/53	Left rear doorsill.
Z7/56	Left rear doorsill.
Z7/57	Left rear doorsill.
Z7/58	Behind left end of dash.
Z28/5	Right front doorsill.
Z28/8	Right front doorsill.
Z28/57	Center of trunk.
Z35/10	Center of trunk.
Z36/1	Behind rear bumper.
Z36/2	Behind rear bumper.
Z36/3	Behind left side of front bumper.
Z36/4	Behind left side of front bumper.
Z36/12	Left rear of engine compartment.
Z37/6	Under left side of dash.
Z37/7	Under left side of dash.
Z37/8	Left rear of engine compartment.
Z50/5	Left rear of engine compartment.
Z61/10	Under left front seat.
Z70/4	Left rear of engine compartment.
Z81/5	Under left side of dash.
Z92	Left rear of engine compartment.
Z111	Under left side of dash.