Segment:
Compact Executive Sedan
Reputation:
Known for its robust build quality, reliability, and advanced engineering for its era.
Competitors:
BMW 3 Series (E30), Audi 80, Volvo 240
Chassis Design:
W201 platform, praised for its advanced independent rear suspension and independent front suspension.
Diesel Engine Offering:
Offered a reliable and fuel-efficient diesel option, appealing to a segment prioritizing economy and longevity.
Dealer Parity:
Provides the same information used by Mercedes-Benz dealerships for servicing and repairs.
Accessibility:
Instant download facilitates immediate access for DIY mechanics and professional technicians.
Engine:
Diesel engine (OM601 variant), fuel system, lubrication, cooling, exhaust, intake, timing, emissions components (Oxygen Sensor)
Transmission:
Manual transmission, Automatic transmission, Transfer case (if applicable to specific 4MATIC variants)
Drivetrain:
Front axle, Rear axle, Drive shaft flexible coupling, Wheel bolt tightening
Suspension Steering:
Suspension and body structure inspection, Level control (ADS, 4MATIC), Self-leveling suspension, Steering play, Steering bolts
Brakes:
Brake fluid level, Brake lines, Brake pads and disk thickness, Brake disks cleaning, Parking brake adjustment, Brake fluid replacement, Parking brake check
Electrical:
Warning and indicator lamps, Headlamp and exterior lamp inspection
Body Chassis:
Water leakage and corrosion inspection, Door hinges lubrication, Door locks lubrication, Hood lubrication, Sunroof cleaning, Soft top checking, Lower noise encapsulation removal/installation, Paint damage inspection, Water drains cleaning, Engine compartment lower panel removal/installation
Climate Control:
Cooling system, Heating system, AC refrigerant charge, Dust filter, Active charcoal filter, Recirculating air filter
Fuel System:
Fuel filter replacement, Fuel system condition check
Maintenance:
Engine oil and filter change, Valve clearance adjustment/checking, Idle speed adjustment, Injection timing adjustment, Fuel filter replacement, Air filter replacement, V-belt tension check, Coolant level/antifreeze check, Coolant replacement, Clutch disk wear check, Transmission oil change, Automatic transmission fluid/filter change, Transfer case fluid change, Clutch system fluid check, Steering fluid check, Battery fluid check, Windshield washer fluid check
Diagnostics Troubleshooting:
Component condition inspection, Lines and hoses inspection, Suspension and body structure inspection, Water leakage and corrosion inspection, Ball joint inspection (with special tool), Steering play check, Fuel system condition check, Brake system checks, Warning lamp checks
Repair Replacement:
Spark plug replacement, Oxygen sensor replacement, Air filter element replacement, Coolant replacement, Engine mount bolt re-torque, Fuel filter replacement, Brake fluid replacement, Wiper blade replacement
Lubrication:
Throttle linkage lubrication, Door hinges lubrication, Door locks lubrication, Sunroof rails lubrication, Folding side mirror lubrication, Hood lubrication
Depth:
Comprehensive Factory Level (Covers detailed repair, maintenance, diagnostics, adjustments, and specifications, mirroring dealer procedures)
Engine Code:
OM601.912 (Common for 190 D 2.2)
Engine Type:
Inline 4-cylinder, Naturally Aspirated Diesel
Displacement:
2197 cc (2.2 Liters)
Horsepower:
Approx. 72-75 hp (at 4200-4400 rpm, depending on specific market/tuning)
Torque:
Approx. 107 lb-ft (at 2400-2600 rpm, depending on specific market/tuning)
Injection System:
Bosch inline injection pump (e.g., VE series)
Valve Adjustment:
Mechanical adjustment via shims or screw-and-locknut (requires periodic checking and adjustment).
Timing Check:
Injection timing checked via specific tools (e.g., dial indicator or timing light/strobe on pulley).
Oil Change Interval:
Typically every 10,000 km or 6,000 miles, or annually (refer to specific manual recommendations).
Air Filter Replacement:
Every 20,000-30,000 km or annually (check manual for precise interval).
Fuel Filter Replacement:
Every 20,000-40,000 km or as recommended based on fuel quality.
Valve Adjustment Interval:
Typically every 40,000-60,000 km or as part of major servicing.
Engine Oil:
API CD or CE classification diesel engine oil, viscosity grade typically 10W-40 or 15W-40 (check manual for exact MB-approval).
Coolant:
Glycol-based antifreeze with corrosion inhibitors. Mercedes-Benz specifications for coolants should be followed (e.g., MB-Approval 325.0 or 325.2).
Diesel Specific:
Glow plug system reliability, injector wear, potential for vacuum leak issues affecting engine start/stop.
Chassis Specific:
Rust potential (especially around wheel arches, sills), worn suspension bushings, subframe mounts, and ball joints. Differential seals can also leak.
Electrical Common:
Aging wiring harnesses, dashboard warning lights, and some sensor failures are possible due to age.