Powertrain:
Engine mechanical, fuel system, ignition system, exhaust system, cooling system, lubrication system
Drivetrain:
Transmission (automatic), differential, drive axles, clutch (if applicable)
Chassis:
Braking system (hydraulic, ABS), steering system, suspension system (front and rear), wheels and tires
Electrical:
Ignition system, starting system, charging system, lighting, instrument cluster, body control modules, CAN bus (if equipped)
Body And Interior:
Body construction, exterior panels, interior trim, seats, HVAC system, door mechanisms, glass
Fuel System:
Fuel pump, injectors, fuel filter, fuel pressure regulator, evaporative emission control (EVAP) system.
Ignition System:
Spark plugs, ignition coils, crankshaft position sensor, camshaft position sensor.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, brake pad replacement, spark plug replacement
Troubleshooting:
Diagnostic procedures for common faults, symptom-based troubleshooting guides
Repair:
Component removal and installation, major repairs, engine overhaul, transmission overhaul, suspension component replacement, electrical system repairs
Specifications:
Torque specifications, clearance specifications, fluid capacities, diagnostic trouble codes (DTCs)
Engine Diagnostics:
Detailed diagnostic procedures, including sensor testing, actuator testing, and fault code interpretation.
Transmission Diagnostics:
Troubleshooting for transmission slippage, harsh shifting, and electronic control unit (TCU) issues.
Suspension Alignment:
Alignment specifications and procedures.
Electrical Schematics:
Comprehensive wiring diagrams for all major electrical systems.
Body Repair:
Procedures for body panel removal, replacement, and adjustment, including door and trunk lid alignment.
HVAC Service:
Diagnosis and repair of the heating, ventilation, and air conditioning system, including refrigerant handling.
Depth:
Comprehensive (from basic maintenance to full rebuilds and complex diagnostics)
Diagnostic Tools:
Information on required diagnostic tools, including STAR diagnostic system compatibility (for later models, but foundational principles apply).
Engine Code:
M111 E23 ML (Supercharged)
Configuration:
Inline 4-cylinder, DOHC, 16-valve
Displacement:
2295 cc (2.3 Liters)
Horsepower:
192 hp @ 5300 rpm (with supercharger)
Torque:
200 lb-ft @ 2500 rpm (with supercharger)
Injection:
Electronic Fuel Injection (Bosch Motronic)
Fuel Type:
Premium Unleaded Gasoline (91+ octane)
Coolant Type:
Mercedes-Benz Approved Antifreeze/Coolant (e.g., G05)
Oil Type:
SAE 0W-30 or 0W-40 Synthetic (MB Approval 229.5 or 229.1)
ECU Type:
Bosch Motronic M3.8.3
Emission Controls:
Advanced emission control systems for its time, including OBD-II compliance.
Oil Change Interval:
Typically 10,000 miles or 12 months, whichever comes first (depending on driving conditions and oil used).
Transmission Fluid Service:
Recommended every 40,000-60,000 miles for automatic transmission fluid and filter replacement.
Spark Plugs:
Check and replace as needed, typically every 60,000-100,000 miles (depending on type).
Coolant Capacity:
Approx. 8.0 Liters
Brake Fluid Type:
DOT 4 (Mercedes-Benz approved)
Engine Oil Capacity:
Approx. 5.5 Liters (with filter change)
Mass Airflow Sensor:
Can become contaminated, leading to rough idling or poor performance.
Crankshaft Position Sensor:
Failure can cause no-start conditions or stalling.
Suspension Components:
Worn control arm bushings and ball joints are common due to age and mileage.
Heater Core:
Leaks can occur, leading to coolant loss and interior fogging.
Catalytic Converter:
Can degrade over time, affecting emissions and performance.
Supercharger Clutch:
The electromagnetic clutch for the supercharger can fail, disabling boost.
Eisenmann Exhaust:
Common aftermarket modification, but original exhaust systems can be prone to rust.
Manufacturer Legacy:
Founded in 1886, Mercedes-Benz is synonymous with luxury, engineering excellence, and automotive innovation.
W202 Generation:
The W202 generation marked Mercedes-Benz's entry into the compact executive segment, offering a more accessible entry point to the brand while retaining core Mercedes-Benz values.
Production Years W202:
1993-2000
C230 Kompressor Introduction:
The C230 Kompressor variant was introduced later in the W202 lifecycle, offering enhanced performance through a supercharged engine.