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2003 MERCEDES-BENZ SL55 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
- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- 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

A/C & HEATER SERVICE PROCEDURES FOR 2003 MERCEDES-BENZ SL55 AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2003 MERCEDES-BENZ SL55 AMG 5.5 V8 GAS
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BRAKE SERVICE PROCEDURES FOR 2003 MERCEDES-BENZ SL55 AUTOMOBILES
Hydraulic Brake Systems -> Brake System Bleed -> Less ESP -> With ESP
Vehicle: 2003 MERCEDES-BENZ SL55 AMG 5.5 V8 GAS
Less ESP
- Connect suitable brake fluid changing tool following tool manufacturer's instructions. Bleed pressure is 29 psi.
- Open righthand rear brake caliper bleed screw and allow approximately 2.7 ounces of brake fluid to flow out without any bubbles.
- Tighten bleed screw to specifications.
- Repeat bleeding procedure at lefthand rear, righthand front and lefthand front calipers.
- On CL55, CL500, CL600, S55, S430, S500 and S600 models, open master cylinder bleed screw and allow brake fluid to flow without any bubbles. Tighten bleed screw to specifications.
- On all models, operate brake p...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ SL55 AUTOMOBILES
Mercedes-Benz -> Fuel Filter Replacement -> Except 2003-06 E320 & E500 Sedans Less 4 Matic & 2004-06 E Series w/Gasoline Engines -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 2003 MERCEDES-BENZ SL55 AMG 5.5 V8 GAS
Fuel System Pressure Relief
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental fuel spray.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while it relearns its adaptive strategy.
- Ensure t...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ SL55 AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 2003 MERCEDES-BENZ SL55 AMG 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 2003 MERCEDES-BENZ SL55 AUTOMOBILES
Component Replacement -> Control Module -> Sensor
Vehicle: 2003 MERCEDES-BENZ SL55 AMG 5.5 V8 GAS
Control Module
- Read out variant coding of TPMS (RDK) control module (N88). To do this connect STAR DIAGNOSIS and transfer data of TPMS (RDK) control module (N88) to STAR DIAGNOSIS.
- Move passenger seat into rearmost position.
- Remove floor mat and lift back floor covering in passenger foot well, Fig. .
- Remove impact absorber.
- Unscrew plastic nuts and remove step plate.
- Unlock electrical connector and unplug connector from TPMS (RDK) control module (N88).
- Unscrew bolt (6) and pull TPMS (RDK) control module (N88) out of retaining clamp.
- Reverse procedure to install, activate TPMS sele...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ SL55 AUTOMOBILES
Alternator, Replace
Vehicle: 2003 MERCEDES-BENZ SL55 AMG 5.5 V8 GAS
- Remove drive belt.
- Remove protective cover, as required, and disconnect electrical connectors.
- Remove ...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ SL55 AUTOMOBILES
Cabin Air Filter Service -> Mercedes-Benz -> 2003-09 SL Class
Vehicle: 2003 MERCEDES-BENZ SL55 AMG 5.5 V8 GAS
On 2003-05 models, under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter more often.
On 2006-08 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 2006-09 AMG models, under normal op...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 MERCEDES-BENZ SL55 AUTOMOBILES
Mercedes-Benz -> Check Engine Lamp ->
Vehicle: 2003 MERCEDES-BENZ SL55 AMG 5.5 V8 GAS
The Check Engine lamp should illuminate when the ignition switch is placed in the On position to indicate the lamp is operational. After the engine has been started, the warning lamp should go off. If warning lamp comes on while th...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ SL55 AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 MERCEDES-BENZ SL55 AMG 5.5 V8 GAS
Lower
- Drain coolant into a suitable container.
- Reposition clamp at radiator and remove hose.
- Reposition clamp at coolant pump and remove hose.
- Remove hose from vehicle.
- Reverse procedure to ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 MERCEDES-BENZ SL55 AUTOMOBILES
Serpentine Drive Belt, Replace -> Alternator Drive Belt -> Supercharger Drive Belt
Vehicle: 2003 MERCEDES-BENZ SL55 AMG 5.5 V8 GAS
Supercharger Drive Belt
- Open engine hood.
- Remove front engine cover.
- If drive belt is being reused, mark direction of rotation to assist during installation.
- Rotate supercharger belt tensioner arm counterclockwise, using a suitable tool to relieve tension from drive belt.
- Lock tensioner in release position, using a suitable drift or punch.
- Remove supercharger drive belt.
- Clean pulleys and inspect for any bent or damaged pulleys.
- Reverse proce...
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COMPONENT LOCATION DIAGRAMS FOR 2003 MERCEDES-BENZ SL55 AUTOMOBILES
Component location diagrams for most 2003 MERCEDES-BENZ SL55 cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2003 MERCEDES-BENZ SL55 AUTOMOBILES
OEM drawn wiring diagrams for most 2003 MERCEDES-BENZ SL55 cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 MERCEDES-BENZ SL55 AUTOMOBILES
OEM TSB listings for most 2003 MERCEDES-BENZ SL55 cars and light trucks sold in the U.S. from 1985+.
Document: Re-code the Software Calibration Number (SCN) Vehicle: 2003 MERCEDES-BENZ SL55 AMG 5.5 V8 GAS Auto Systems: |
Document: Maintenance Systems Overview Vehicle: 2003 MERCEDES-BENZ SL55 AMG 5.5 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 MERCEDES-BENZ SL55 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 MERCEDES-BENZ SL55 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 2003 MERCEDES-BENZ SL55 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 2003 MERCEDES-BENZ SL55 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 2003 MERCEDES-BENZ SL55 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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