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2004 MERCEDES-BENZ C230 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT MERCEDES-BENZ REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 2004 MERCEDES-BENZ C230 AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2004 MERCEDES-BENZ C230 1.8 L4 GAS
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 MERCEDES-BENZ C230 AUTOMOBILES
Mercedes-Benz -> Fuel Filter Scheduled Maintenance -> 2004-06 Models Except E Series w/Gasoline Engines -> Normal Service -> Severe Service
Vehicle: 2004 MERCEDES-BENZ C230 1.8 L4 GAS
Normal Service
Replace every ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 MERCEDES-BENZ C230 AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2004 MERCEDES-BENZ C230 1.8 L4 GAS
- Raise and support vehicle.
- Remove and discard 12-point collar nut from rear axle shaft.
- Remove wheel and tire assembly.
- Remove fixed brake caliper from rear axle and tie caliper off to side. Do not disconnect brake hose.
- Remove stabilizer bar link rod.
- Remove RPM sensor from wheel carrier
- Remove torque strut from wheel carrier.
- Remove camber strut from wheel carrier.
- Remove tie rod from wheel carrier.
- Remove thrust arm from wheel carrier
- Fold wheel carrier outward and push rear axle shaft out of rear axle shaft flange.
- Pull rear axle shaft out of rea...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 MERCEDES-BENZ C230 AUTOMOBILES
Alternator, Replace
Vehicle: 2004 MERCEDES-BENZ C230 1.8 L4 GAS
- Disconnect battery ground cable.
- Remove air intake duct.
- Loosen clamps and disconnect hoses from resonator.
- Remove bolts and resonator.
- Rotate belt tensioner arm counterclockwise, using a suitable tool to relieve tension from drive belt.
- Remove drive belt, then release tension.
- Disconnect connector for circuit 30 (B+) on alternator.
- Remove upper ...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2004 MERCEDES-BENZ C230 AUTOMOBILES
Cabin Air Filter Service -> Mercedes-Benz -> 2002-07 C & 2002-09 CLK Class
Vehicle: 2004 MERCEDES-BENZ C230 1.8 L4 GAS
On 2002-05 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 mo...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 MERCEDES-BENZ C230 AUTOMOBILES
Mercedes-Benz -> Low Coolant Lamp ->
Vehicle: 2004 MERCEDES-BENZ C230 1.8 L4 GAS
The Low Engine Coolant Level 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 go off. If the warning lamp remains on af...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 MERCEDES-BENZ C230 AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2004 MERCEDES-BENZ C230 1.8 L4 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 2004 MERCEDES-BENZ C230 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 MERCEDES-BENZ C230 1.8 L4 GAS
- Open engine hood.
- Remove hose from silencer.
- Remove two bolts securing charge air hose to silencer.
- Remove wide band silencer.
- Loosen Torx bolt from belt tensioner pulley.
- Rotate or lift belt tensioner arm countercl...
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COMPONENT LOCATION DIAGRAMS FOR 2004 MERCEDES-BENZ C230 AUTOMOBILES
Component location diagrams for most 2004 MERCEDES-BENZ C230 cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2004 MERCEDES-BENZ C230 AUTOMOBILES
OEM drawn wiring diagrams for most 2004 MERCEDES-BENZ C230 cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 MERCEDES-BENZ C230 AUTOMOBILES
OEM TSB listings for most 2004 MERCEDES-BENZ C230 cars and light trucks sold in the U.S. from 1985+.
Document: Re-code the Software Calibration Number (SCN) Vehicle: 2004 MERCEDES-BENZ C230 1.8 L4 GAS Auto Systems: |
Document: Maintenance Systems Overview Vehicle: 2004 MERCEDES-BENZ C230 1.8 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 MERCEDES-BENZ C230 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 MERCEDES-BENZ C230 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 2004 MERCEDES-BENZ C230 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 2004 MERCEDES-BENZ C230 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 2004 MERCEDES-BENZ C230 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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