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2008 MERCEDES-BENZ S550 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT MERCEDES-BENZ REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Section
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- Wiring Diagrams
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- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2008 MERCEDES-BENZ S550 car and truck
repair procedures including MERCEDES-BENZ engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your MERCEDES-BENZ S550 automobile. Try the Automotix DIY solution today!
DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 MERCEDES-BENZ S550 AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 2008 MERCEDES-BENZ S550 4matic 5.5 V8 GAS
- Raise and support vehicle.
- Remove exhaust system as of flange connection.
- Detach reinforcement brace.
- Detach front exhaust shielding plate from exhaust shielding plate above center muffler.
- Remove exhaust shielding plate above center muffler in area close to tunnel.
- Detach front reinforcement brace.
- Only loosen bolts of propeller shaft intermediate bearing.
- Disconnect front propeller shaft at transmission.
- Detach rear propeller shaft from rear axle center assembly.
- Loosen fitted sleeves of flexible couplings.
- Unscrew bolt...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 MERCEDES-BENZ S550 AUTOMOBILES
Reset Procedures
Vehicle: 2008 MERCEDES-BENZ S550 4matic 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 S550 AUTOMOBILES
Alternator, Replace
Vehicle: 2008 MERCEDES-BENZ S550 4matic 5.5 V8 GAS
- Disconnect battery ground cables.
- Raise and support vehicle.
- Remove fasteners and right and center sound insulator panels.
- Remove double hose clamp and hydraulic line from alternator.
- Remove lower alternator bolts.
- Remove lower engine compartment panels.
- Drain coolant into suitable container.
- Remove air intake duct and engine front cover.
- On models not equipped with 4-matic transmission, remove engine oil dipstick.
- Remove air hose from air cleaner.
- On models equipped with 4-matic, remove upper radiator crossmember.
- On all models, remove edge stripping in area of radiator crossmember.
- Di...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2008 MERCEDES-BENZ S550 AUTOMOBILES
Cabin Air Filter Service -> Mercedes-Benz -> 2007-09 CL & S Class
Vehicle: 2008 MERCEDES-BENZ S550 4matic 5.5 V8 GAS
On 2007-08 models except AMG, under normal operating conditions the cabin air filter should be replaced every 24 months or 26,000 miles. In dusty areas change the cabin air filter more often.
On 2009 models except AMG, under normal operating conditions the cabin air filter should be replaced every 24 months or 20,000 miles. In dusty areas change the cabin air filter more often.
On 2007-09 AMG models, under normal operating conditions the cabin air filter shoul...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 MERCEDES-BENZ S550 AUTOMOBILES
Mercedes-Benz -> Seat Belt & Backrest Lock Warning Lamp ->
Vehicle: 2008 MERCEDES-BENZ S550 5.5 V8 GAS
The Seat Belt and Backrest Lock warning lamp will 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 warning lamp should blink for brief time to remind driver and passenger to fasten seat belts. If the warning...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2008 MERCEDES-BENZ S550 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2008 MERCEDES-BENZ S550 5.5 V8 GAS
Lower
- Drain coolant into a suitable container.
- Reposition clamp at radiator and remove hose.
- Reposition clamp at water pump and remove hose.
- Remove hose from vehicle.
- Reverse procedure to i...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 MERCEDES-BENZ S550 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 MERCEDES-BENZ S550 5.5 V8 GAS
- Open engine hood.
- Remove front engine cover.
- On models with Active Body Control (ABC), remove power steering pressure line from bracket.
- On all models, rotate or lift belt tensione...
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COMPONENT LOCATION DIAGRAMS FOR 2008 MERCEDES-BENZ S550 AUTOMOBILES
Component location diagrams for most 2008 MERCEDES-BENZ S550 cars and light trucks sold in the U.S. from 1990+.
 Front Bumper Diagram for 2008 MERCEDES-BENZ S550 4matic 5.5 V8 GASComponents on diagram: |
 Underbody, Front Of Transmission Housing Diagram for 2008 MERCEDES-BENZ S550 4matic 5.5 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2008 MERCEDES-BENZ S550 AUTOMOBILES
OEM drawn wiring diagrams for most 2008 MERCEDES-BENZ S550 cars and light trucks sold in the U.S.
 2008 MERCEDES-BENZ S550 5.5 V8 GAS Wiring DiagramComponents on diagram: |
 2008 MERCEDES-BENZ S550 4matic 5.5 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 MERCEDES-BENZ S550 AUTOMOBILES
OEM TSB listings for most 2008 MERCEDES-BENZ S550 cars and light trucks sold in the U.S. from 1985+.
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Document: Re-code the Software Calibration Number (SCN) Vehicle: 2008 MERCEDES-BENZ S550 5.5 V8 GAS Auto Systems: |
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Document: High-Voltage Charge Level in Instrument Cluster Display Vehicle: 2008 MERCEDES-BENZ S550 5.5 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 MERCEDES-BENZ S550 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 MERCEDES-BENZ S550 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 S550 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 S550 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 S550 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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