Segment:
Compact Executive Sedan
Reputation:
Known for exceptional build quality, durability, and comfort, establishing Mercedes-Benz's presence in the compact luxury segment.
Competitors:
BMW 3 Series (E30), Audi 80, Volvo 240, Saab 900.
Design Philosophy:
Robust engineering, excellent safety features for its era, and a focus on long-term reliability.
Diesel Advantage:
The 'D' designation signifies the durable and fuel-efficient diesel engine, popular for its longevity and economy.
Powertrain:
Engine (OM601.911), fuel injection system, exhaust system, clutch, manual transmission, differential, drive axles.
Chassis:
Suspension (front & rear), steering system, brake system (hydraulic, parking brake), wheels, tires.
Electrical:
12V electrical system, battery, alternator, starter, ignition system, lighting, instrumentation, wiring diagrams.
Body And Interior:
Body construction, doors, windows, seats, interior trim, HVAC system (heating, ventilation).
Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement (where applicable), belt adjustments, lubrication.
Troubleshooting:
Diagnostic procedures for common and uncommon issues across all major systems, fault code interpretation (if applicable).
Repair:
Step-by-step instructions for component removal, overhaul, repair, and reinstallation for all major systems.
Specifications:
Torque specifications, clearances, timing settings, fluid capacities, electrical component resistance values.
Depth:
In-depth, covering everything from basic scheduled maintenance to full engine rebuilds and complex electrical diagnostics. Designed for professional technicians and advanced DIYers.
Engine Type:
Inline 4-cylinder Diesel
Displacement:
2.2 Liters (2197 cc)
Bore X Stroke:
87.0 mm x 92.4 mm
Power Output:
72 hp @ 4200 rpm (approx.)
Torque Output:
105 lb-ft @ 2400 rpm (approx.)
Fuel Delivery:
Bosch Inline Fuel Injection Pump
Glow Plugs:
Direct injection with glow plug assist for cold starts.
0-60 Mph:
Approx. 16-18 seconds (depending on transmission and conditions)
Top Speed:
Approx. 100 mph
Transmission Type:
4-speed Manual Transmission
Transmission Type:
4-speed Automatic Transmission (optional)
Clutch Type:
Single dry plate clutch (manual transmission)
Transmission Fluid:
Refer to manual for specific MB approved fluid (e.g., MB 235.0 for manual, MB 236.7 for automatic).
Era Safety:
Considered very safe for its time, featuring advanced crumple zones and safety cell construction pioneered by Mercedes-Benz.
Brakes:
Front disc brakes, rear drum brakes. ABS optional on later models, may not be standard on 1984-85 190D 2.2.
Airbags:
Driver airbag not standard, optional or available on later models. Check specific vehicle.
Seatbelts:
Three-point seatbelts in the front and rear.
Audio System:
Factory AM/FM radio with cassette player, potentially with upgraded speaker options.
ABS:
Anti-lock Braking System (ABS) was an optional feature, not standard on all 1984-1985 models.
Connectivity Features:
Limited by era; no modern infotainment or connectivity features. Focus on mechanical and electrical systems.
Oil Change:
Every 5,000-7,500 miles or 6-12 months, using appropriate diesel engine oil.
Fuel Filter Replacement:
Typically every 15,000-20,000 miles, crucial for diesel engine health.
Air Filter Replacement:
Every 15,000-20,000 miles or as needed based on driving conditions.
Coolant Flush:
Every 2-3 years or 30,000-50,000 miles.
Engine Oil Type:
API CD or CE rated diesel engine oil, viscosity typically 15W-40 or 10W-40 depending on climate. Refer to manual for exact MB specification.
Engine Oil Capacity:
Approx. 6.5 Liters (6.9 US quarts) with filter change.
Coolant Type:
Mercedes-Benz Approved Antifreeze/Coolant (e.g., G05, blue/green or similar ethylene glycol based).
Brake Fluid Type:
DOT 3 or DOT 4 (check manual for precise recommendation).
Common Problems:
Vibration issues (driveshaft flex disc wear), vacuum line leaks affecting door locks/central locking/headlight leveling, injector pump seals, potential rust in wheel wells and rocker panels, starter motor wear, minor oil leaks from valve cover gasket and oil filter housing.
Diesel Specific Issues:
Glow plug failure, fuel filter clogging, injector issues, air in fuel lines causing starting problems.
Founder:
Karl Benz (1886 Patent-Motorwagen)
Legacy:
Pioneers in automotive engineering, renowned for luxury, safety, and durability.
W201 Introduction:
Introduced in 1982 (as the 190), designed as a smaller, more accessible Mercedes-Benz sedan.
190D Significance:
The 190D line introduced Mercedes-Benz's efficient diesel technology to a broader market, becoming an iconic model for reliability and economy.
Production Years:
1983-1989 (for the 190D range, 190D 2.2 specific years 1984-1985)
Manufacturing Location:
Bremen, Germany
Industry Standing:
The W201 platform (including the 190D) was lauded for its advanced engineering, safety, and build quality, contributing significantly to Mercedes-Benz's reputation for reliability.
Reliability Perception:
Highly regarded for long-term reliability and durability, especially the diesel variants, often referred to as the 'Baby Benz'.
