Engine Systems:
Engine mechanical (M111, M104, M119, OM605, OM606), Engine management (ECU, sensors, actuators), Fuel injection, Ignition system, Cooling system, Lubrication system, Exhaust system, Emission controls
Transmission Systems:
Manual transmissions ( Getrag 260, 716.61, 717.45), Automatic transmissions (722.4, 722.5, 722.6 - NAG1), Drivetrain, Drive shafts, Differentials, Axles
Suspension Steering:
Front suspension (MacPherson strut, multi-link), Rear suspension (multi-link), Steering system (power steering, steering gear), Wheel alignment
Brake Systems:
Front and rear brakes (vented discs, solid discs), ABS (Anti-lock Braking System), Brake hydraulics, Parking brake
Electrical Systems:
Vehicle electrical system (12V), Battery, Charging system (alternator), Starting system (starter motor), Lighting system (headlights, taillights, interior), Fuses and relays, Wiring diagrams, Instrument cluster, Body control module (BCM), CAN bus systems
Body Chassis:
Body structure, Exterior panels, Doors, Hood, Trunk, Interior trim, Seats, Climate control system (HVAC), Body repair, Corrosion protection
Climate Control HVAC:
Manual and automatic climate control systems, A/C refrigerant handling, Blower motor, Heater core, Evaporator, Condenser, Compressors, Diagnostic and repair procedures.
Body And Interior:
Door mechanisms, Window regulators, Sunroof operation, Seat adjustments, Dashboard removal, Interior paneling, Upholstery, Seals, Body sealing and anti-corrosion measures.
Lighting And Signals:
Headlight aiming and replacement, Taillight assembly, Fog lights, Interior lighting, Turn signals, Hazard lights, Bulb types and replacement procedures, Headlight leveling systems.
Maintenance:
Scheduled maintenance intervals, Oil changes, Filter replacements (oil, air, fuel, cabin), Spark plug replacement, Coolant flush, Brake fluid replacement, Transmission fluid change, Belt inspection and replacement, Wiper blade replacement
Repair Diagnostics:
Engine diagnostics and repair, Transmission overhaul and repair, Suspension component replacement, Brake component replacement, Steering system repair, Electrical system troubleshooting, HVAC system repair, Body panel repair, Diagnostic trouble code (DTC) interpretation and resolution
Troubleshooting:
Systematic diagnostic procedures, Symptom-based troubleshooting, Component testing, Electrical circuit testing
Special Tools:
Lists and describes specialized tools required for specific repair procedures (e.g., spring compressors, injection pump timing tools, transmission special tools).
Engine Timing:
Detailed procedures for setting ignition timing (gasoline) and camshaft/crankshaft timing (diesel and gasoline) using specialized tools.
Airbag System Service:
Procedures for airbag system diagnostics, component replacement, and safety precautions when working on airbag systems.
Coverage Level:
Comprehensive, covering routine maintenance to major component overhauls and electrical system diagnostics. Includes detailed explanations, exploded views, torque specifications, and diagnostic flowcharts.
Diagnostic Tools Reference:
References diagnostic procedures and troubleshooting that can be performed with factory Mercedes-Benz diagnostic tools (e.g., STAR DIAGNOSIS system) or compatible aftermarket scan tools.
Torque Specifications:
Extensive torque specifications for all critical fasteners, including engine components, suspension, brakes, and bodywork.
Electrical Schematics:
Detailed wiring diagrams for all major electrical systems, including power distribution, lighting, engine management, comfort systems, and safety systems. Often broken down by component and function.
Engine Codes Covered:
M111 (2.0L I4), M104 (2.8L/3.2L I6), M119 (4.2L/5.0L V8), OM605 (2.0L/2.2L I4 Diesel), OM606 (3.0L I6 Diesel)
Power Output Range:
100 kW (136 hp) to 275 kW (375 hp) depending on engine variant
Torque Range:
190 Nm (140 lb-ft) to 530 Nm (391 lb-ft) depending on engine variant
Fuel Injection Type:
Bosch Motronic electronic fuel injection (EFI) for gasoline engines, Mechanical injection (OM605) or Electronic Diesel Control (EDC) for diesel engines.
Recommended Fuel:
Unleaded gasoline (Octane rating varies by engine, typically 91 RON or higher), Diesel fuel (EN 590 compliant)
V8 Engines:
E 420 (M119.959), E 50 AMG (M119.974)
Diesel Engines:
E 200 Diesel (OM605.911), E 220 Diesel (OM605.912), E 250 Diesel (OM605.912), E 300 Diesel (OM606.910), E 300 Turbo Diesel (OM606.912), E 320 CDI (OM613 - later models, may not be covered depending on manual version)
Oil Change Interval:
Typically every 15,000 km (9,300 miles) or 12 months, whichever comes first (varies by engine and oil specification). Check the manual for exact intervals.
Major Service Intervals:
Major services involving spark plugs, transmission fluid, coolant, etc., are usually scheduled around 60,000 km (37,000 miles) or higher intervals. Refer to the specific service schedule in the manual.
Engine Oil Specification:
MB-Approval 229.1, 229.3, or 229.5 (depending on engine and service interval). Viscosity typically 0W-40, 5W-40, 5W-30, 10W-40. Refer to the specific engine requirement.
Transmission Fluid Automatic:
MB-Approval 236.10, 236.12, or 236.14 for 722.6 transmissions. Typically ATF Dexron III or equivalent for earlier automatics. **Crucially important to use the correct fluid type.**
Coolant Specification:
Mercedes-Benz Coolant/Antifreeze (Glysantin G05 or equivalent) - typically a silicate-containing antifreeze for mixed metal engines. Blue or green color depending on formulation.
Brake Fluid Specification:
DOT 4, MB-Approval 331.0
Power Steering Fluid:
MB-Approval 343.0 or 236.3 (ATF Dexron III can be used in some cases, but correct specification is crucial)
Common W210 Issues:
Headlight condensation/seal failure, MAF sensor issues (gasoline engines), Crankshaft position sensor failure, Oil cooler leaks (OM606), Biodegradable wiring insulation (early models), SBC hydraulic brake system issues (later models, though less common on W210 than W220), rust prone areas (wheel arches, door bottoms), instrument cluster pixel loss.
Oil Filter Example:
Mann-Filter HU 718/1y, Bosch 0 451 104 001 (confirm for specific engine)
Air Filter Example:
Mann-Filter C 35 145, Bosch S4057 (confirm for specific engine)