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2008 MERCEDES-BENZ CLS550 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT MERCEDES-BENZ REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 MERCEDES-BENZ CLS550 AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2008 MERCEDES-BENZ CLS550 5.5 V8 GAS
- Raise and support vehicle.
- Remove front wheels.
- Unscrew hexagon collar bolt on front axle shaft.
- Take off bottom engine compartment panel at front.
- Detach linkage for headlamp leveling device on lower transverse control arm.
- Press supporting joint out of steering knuckle.
- Turn front of steering knuckle outwards and then pull outwards, while moving front axle shaft out of front axle shaft flange. Do not damage boots of front axle shaft and of supporting joint. If required, to loosen front axle shaft, screw in hexagon-collar bolt again a few threads and drive out front axle shaft...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 MERCEDES-BENZ CLS550 AUTOMOBILES
Reset Procedures
Vehicle: 2008 MERCEDES-BENZ CLS550 5.5 V8 GAS
- Verify pressures of all four tires.
- Turn electronic key in starter switch to position 2 (the engine must not be running).
- Press forward or back button on the multifunction steering wheel until the display for trip and main odometer appears.
- Press up or down arrow button repeatedly until the tire inflation pressure monitor appears.
- Press and hold reset button on the instrument cluster until the message MONITOR CURRENT TIRE PRESSURE? appears. Release the R button.
- Press button + (YES) on the multifunction steering wheel to activate the tire inflation pressure monitor. The message TIRE...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 MERCEDES-BENZ CLS550 AUTOMOBILES
Starter, Replace
Vehicle: 2008 MERCEDES-BENZ CLS550 5.5 V8 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove lower engine compartment sound insulator panels.
- Remove cable bracket from starter.
- Disconnect connector for circuit 50 on starter.
- Remove starter bolts and move starter froward.
- Remove protective cap and disconnect c...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 MERCEDES-BENZ CLS550 AUTOMOBILES
Mercedes-Benz -> Brake Pad Wear Indicator Lamp ->
Vehicle: 2008 MERCEDES-BENZ CLS550 5.5 V8 GAS
The Brake Pad Wear indicator lamp should illuminate when the ignition switch is placed in the On position to indicate the warning lamp is operational. After the engine has been started, the warnin...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2008 MERCEDES-BENZ CLS550 AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2008 MERCEDES-BENZ CLS550 5.5 V8 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition clamp on heat exchanger feed pipe and remove hose.
- Reposition clamp on engine and remove hose.
- Remove hose from vehicle.
- Reverse procedure to...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 MERCEDES-BENZ CLS550 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 MERCEDES-BENZ CLS550 5.5 V8 GAS
- Open engine hood.
- Remove front engine cover.
- Rotate or lift belt tensioner arm counterclockwise, using a suitable tool to relie...
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COMPONENT LOCATION DIAGRAMS FOR 2008 MERCEDES-BENZ CLS550 AUTOMOBILES
Component location diagrams for most 2008 MERCEDES-BENZ CLS550 cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2008 MERCEDES-BENZ CLS550 AUTOMOBILES
OEM drawn wiring diagrams for most 2008 MERCEDES-BENZ CLS550 cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 MERCEDES-BENZ CLS550 AUTOMOBILES
OEM TSB listings for most 2008 MERCEDES-BENZ CLS550 cars and light trucks sold in the U.S. from 1985+.
Document: Re-code the Software Calibration Number (SCN) Vehicle: 2008 MERCEDES-BENZ CLS550 5.5 V8 GAS Auto Systems: |
Document: Maintenance Systems Overview Vehicle: 2008 MERCEDES-BENZ CLS550 5.5 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 MERCEDES-BENZ CLS550 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 MERCEDES-BENZ CLS550 cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2008 MERCEDES-BENZ CLS550 cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2008 MERCEDES-BENZ CLS550 cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2008 MERCEDES-BENZ CLS550 cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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