Generation:
First Generation
Production Years Covered:
1993-2000
Engine Codes Common:
M111 (4-cylinder), M104 (6-cylinder), OM60x (Diesel)
Transmission Codes Common:
722.4 (4-speed Auto), 722.6 (5-speed Auto)
Target Audience:
Mercedes-Benz W202 owners, independent repair shops, auto enthusiasts
Value Proposition:
Offers comprehensive, factory-level repair information comparable to expensive OEM manuals or CDROMs, saving significant repair costs.
Highlighted Features:
Complete A-Z coverage, detailed diagrams, step-by-step instructions, troubleshooting guides, professional quality.
Manual Quality Claim:
BEST manuals on Tradebit, buy with confidence. Do not waste money on incomplete cheap versions.
Engine Systems:
Engine Removal/Installation, Fuel System (incl. Fuel Injection), Lubrication, Cooling System, Combustion System, Crankcase, Piston, Cylinder, Crankshaft, Balance Shaft
Drivetrain Systems:
Gearbox & Clutch, Transmission System, Differential
Chassis Systems:
Front Wheel & Steering, Rear Wheel System, Suspension, Braking System, Chassis Components
Electrical Systems:
Electrical System, Alternator/Starter Clutch, Battery/Charging System, Ignition System, Electric Starter, Lights/Meters/Switches, Wiring Diagrams
Bodywork And Trim:
Body & Fixtures, Fenders and Exhaust Pipe, Frame/Body Panels/Exhaust System, Exterior Trim
Fuel And Emissions:
Fuel filter replacement, fuel pump diagnostics, emission control system components and troubleshooting.
Maintenance Procedures:
Periodic Checks & Adjustments, Routine Maintenance, Scheduled Servicing
Repair Procedures:
Step-by-step repair instructions for all covered systems
Diagnostic Procedures:
Troubleshooting guides for common and complex issues
Installation Procedures:
Component removal and installation procedures
Suspension And Steering Repair:
Detailed procedures for replacing ball joints, tie rods, control arms, struts, shock absorbers, and steering components.
Brake System Overhaul:
Procedures for brake pad and rotor replacement, caliper servicing, bleeding the brake system, and ABS component diagnostics.
Depth Of Coverage:
Factory-level detail, suitable for professional mechanics and advanced DIY enthusiasts
Diagrams And Illustrations:
Highly detailed exploded pictures and diagrams
Diagnostic Tools Reference:
Implied reference to the use of Mercedes-Benz proprietary diagnostic tools (e.g., Star Diagnosis) for advanced troubleshooting.
Engine Options:
Inline-4 (M111), Inline-6 (M104), Diesel variants (e.g., OM604, OM605, OM606)
Typical Horsepower Range:
134 hp to 275 hp (depending on engine and model variant)
Typical Torque Range:
140 lb-ft to 280 lb-ft (depending on engine and model variant)
Fuel Injection Type:
Electronic Fuel Injection (EFI), often Bosch KE-Jetronic (early models) or HFM (later models)
Cooling Type:
Liquid-cooled, pressurized system with thermostatically controlled fan
Oil Capacity Typical:
Approx. 5.5 - 7.5 liters (depending on engine)
Engine Management:
Proprietary Mercedes-Benz Engine Control Units (ECUs)
Standard Transmission Type:
5-speed Automatic (722.6 'NAG')
Optional Transmission Type:
5-speed Manual (available on select models)
Automatic Transmission Features:
Driver-adaptive shift points, Sport/Comfort modes (on some models)
Automatic Transmission Fluid Type:
MB 236.10 or MB 236.12 ATF (e.g., Pentosin ATF1, Mobil ATF 134)
Automatic Transmission Fluid Capacity:
Approx. 7.5 - 8.5 liters (dry fill)
Historical Safety Ratings:
Early models had less stringent safety standards than modern vehicles. Check NHTSA/Euro NCAP for specific year data if available.
Active Safety Features:
Anti-lock Braking System (ABS), often optional Traction Control System (ASR)
Passive Safety Features:
Driver and front passenger airbags, crumple zones, reinforced safety cell
Infotainment Options:
Original Mercedes-Benz audio systems (cassette/CD players), often with optional CD changer and basic navigation systems on later models.
Driver Assistance Features:
Cruise control, Parking assist (optional on some models), Automatic climate control
Connectivity Options:
Limited by era; typically Bluetooth phone integration was not standard, though aftermarket solutions exist.
Oil Change Interval Typical:
Every 10,000 - 15,000 km or 1 year, whichever comes first (using synthetic oil as specified).
Major Service Interval Typical:
At 60,000 km, 120,000 km, etc. (includes spark plugs, fuel filter, air filter replacement, brake fluid flush, etc.)
Engine Oil Specification Typical:
MB 229.1 or MB 229.3 (e.g., 5W-40, 10W-40 synthetic/semi-synthetic depending on climate)
Coolant Specification:
MB 325.0 (Ethylene Glycol based, typically blue or green color)
Brake Fluid Specification:
DOT 4
Common Problem Area 1:
Headliner sagging (fabric detaches from backing board)
Common Problem Area 2:
Mass Air Flow (MAF) sensor issues leading to rough idle or poor performance (especially on M111 engines)
Common Problem Area 3:
Front suspension bushings and ball joints wear
Common Problem Area 4:
Water pump leaks or bearing failure
Common Problem Area 5:
Climate control unit malfunctions (blower motor, vacuum leaks)
Common Problem Area 6:
Biodegradable wiring harness insulation (on some specific harnesses, particularly for engine sensors).
Manufacturer Reputation:
Mercedes-Benz is renowned for engineering quality, durability, and luxury.
Positioning In Lineup:
Introduced as the entry-level luxury compact sedan, replacing the 190E (W201).
Design Philosophy:
Transitioned to a more rounded and modern design language compared to its predecessor.
Production Locations:
Primarily Germany (Sindelfingen, Rastatt), South Africa, and others.
Sales Volume:
Highly successful model, contributing significantly to Mercedes-Benz's global sales.
