Engine:
Detailed diagnostics, disassembly, assembly, torque specifications, and repair procedures for the M111 2.2L inline-4 engine (including variations).
Fuel System:
Fuel injection system (KE-Jetronic or its successor depending on specific market), fuel pump, fuel filter, injectors, and evaporative emission control.
Ignition System:
Ignition timing, coil packs, spark plugs, crank position sensors, and associated control modules.
Cooling System:
Radiator, water pump, thermostat, hoses, fan, and coolant specifications.
Exhaust System:
Exhaust manifolds, catalytic converter, mufflers, and oxygen sensors.
Transmission Manual:
Service and repair for the manual gearbox (e.g., 5-speed Getrag), clutch, shifter linkage, and fluid specifications.
Transmission Automatic:
Service and repair for the automatic transmission (e.g., 4-speed 722.4), valve body, torque converter, and fluid specifications.
Drivetrain:
Front axle, rear axle, driveshafts, CV joints, differential, and associated seals/bearings.
Suspension:
Front and rear suspension components (struts, control arms, ball joints, bushings), shock absorbers, springs, and alignment specifications.
Steering:
Power steering system, steering rack, power steering pump, fluid specifications, and steering column.
Brakes:
Front and rear brake systems (discs/drums), calipers, brake pads, brake fluid specifications, ABS system, parking brake.
Electrical System:
12V electrical system, battery, alternator, starter motor, fuses, relays, and wiring diagrams for all circuits.
Lighting:
Headlights, taillights, interior lights, and control switches.
Instrument Panel:
Dashboard layout, gauges, warning lights, and control modules.
HVAC:
Heating, ventilation, and air conditioning system components, refrigerant, troubleshooting, and repair.
Body And Frame:
Body panel removal/installation, door mechanisms, glass, bumpers, and structural components.
Interior:
Seat removal/installation, trim panels, headliner, and interior accessories.
Diagnostics:
Diagnostic trouble codes (DTCs), troubleshooting flowcharts, and specific diagnostic procedures.
Maintenance:
Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement, and general upkeep.
Troubleshooting:
Systematic diagnostic steps for common and uncommon issues across all vehicle systems.
Repair:
Step-by-step instructions for component removal, repair, and reinstallation, including detailed diagrams and specifications.
Overhaul:
Complete engine and transmission overhaul procedures.
Electrical Repair:
Wiring harness repair, component replacement, and troubleshooting of electrical faults using wiring diagrams.
Body Repair:
Procedures for dent repair, panel replacement, and glass replacement.
Depth:
Detailed technical information suitable for professional technicians and experienced DIY mechanics, covering everything from basic fluid changes to complex engine rebuilds and electronic diagnostics.
Engine Code:
M111.920 (typical for C220).
Engine Type:
2.2L (2199cc) Inline-4, DOHC (Double Overhead Camshaft).
Horsepower:
Approximately 150 PS (148 hp) @ 5500 RPM.
Torque:
Approximately 210 Nm (155 lb-ft) @ 4000 RPM.
Injection System:
Bosch Motronic Electronic Fuel Injection (EFI) with associated sensors and control module.
Fuel Requirement:
Unleaded Premium Gasoline (91+ octane).
Coolant Type:
MB Specification 325.0 (Blue Antifreeze) or equivalent silicate-free antifreeze, typically a 50/50 mix with distilled water.
Oil Type:
MB Specification 229.1 or 229.3 (e.g., Mobil 1 0W-40, Castrol Syntec 5W-50).
Oil Capacity With Filter:
Approximately 5.5 Liters (5.8 US Quarts).
Spark Plug Type:
NGK BKR5EK (or equivalent, consult manual for specific part number).
Oil Change Interval:
Typically every 10,000-15,000 km (6,000-9,000 miles) or annually, whichever comes first, depending on driving conditions and oil type used (synthetic recommended).
Service Intervals Filters
Air Filter Replacement:
Every 30,000-40,000 km (18,000-25,000 miles).
Cabin Filter Replacement:
Not standard on all 1995 models; if equipped, typically every 1-2 years or 20,000-30,000 km.
Brake Fluid Change:
Every 2 years (DOT 4 fluid).
Coolant Flush:
Every 2-3 years or 40,000-50,000 km.
Power Steering Fluid:
MB Specification 236.3 (e.g., Pentosin CHF 11 S or equivalent).
Coolant Capacity:
Approx. 8.0 Liters (8.5 US Quarts).
Common Wear Items:
Front lower control arm bushings, sway bar links, vacuum hose degradation (leading to idle issues), crank position sensor failures, OVP relay issues (affecting fuel pump/ECU), early ABS sensor failures, window regulator mechanisms.
Rust Prone Areas:
Wheel wells, rocker panels, door bottoms, trunk lid edges.