🏷️ Basic Information Identification Make: Mercedes-Benz Model: 124 Series Model Range: W124 Applicable Years: 1981-1993 Codes Chassis Codes: W124 (Sedan/Saloon), S124 (Estate/T-Model), C124 (Coupe), A124 (Cabriolet) 👋 Introduction Market Position Segment: Executive Mid-size Sedan/Coupe/Estate/Cabriolet Competitive Analysis Competitors: BMW 5 Series (E28, E34), Audi 100/200 (C3, C4), Volvo 700/900 Series, Saab 9000, Lexus LS400 (later models) Key Features Defining Characteristics: Exceptional build quality, robust engineering, longevity, sophisticated design, comfortable ride, strong safety features, available with a wide range of gasoline and diesel engines. 📋 Manual Details Coverage Areas Coverage Scope: Complete Service, Repair, and Workshop Manual Page Count Estimated Page Count: 1500+ Manual Type Type: Workshop Manual / Service Manual / Repair Manual Language Language: English Format Format: Digital (likely PDF, but confirm with seller) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanicals (M102, M103, M104, OM601, OM602, OM603), Fuel injection (KE-Jetronic, HFM, EDC), Ignition systems, Cooling systems, Lubrication systems, Exhaust systems Transmission Systems: Manual transmissions (4-speed, 5-speed), Automatic transmissions (4-speed 722.3, 4-speed 722.4, 5-speed 722.5), Hydraulic controls, Electronic controls (ECT) Chassis Systems: Suspension (front & rear), Steering system (power steering, steering box/rack), Brakes (ABS, SBC, disc/drum variations), Drivetrain (differentials, axles, driveshafts) Electrical Systems: Wiring diagrams, Lighting, Instrumentation, Wiper/washer systems, Horn, Power windows, Power seats, Central locking, Cruise control, Climate control, Audio systems, Engine control units (ECU), ABS control units Body Systems: Body shell, Doors, Windows, Seats, Interior trim, Exterior trim, Sunroof, Convertible top (for A124), Corrosion protection Procedures Included Maintenance Procedures: Oil changes, filter replacements, spark plug replacement, coolant flushing, brake fluid flush, belt inspection/replacement, battery maintenance, air filter replacement, fuel filter replacement Repair Procedures: Engine component rebuilds (cylinder head, pistons, crankshaft), transmission overhaul, brake caliper replacement, suspension component replacement (struts, ball joints, control arms), steering rack repair, fuel injector replacement, power steering pump replacement, radiator replacement Diagnostics Troubleshooting: Fault code interpretation (where applicable), symptom-based troubleshooting guides, diagnostic flowcharts, common problem identification and solutions Technical Depth Depth: Comprehensive (from basic maintenance to complete engine/transmission overhauls and complex electrical diagnostics) 📊 Manual Specifications File Format File Type: PDF (typical for digital manuals, often searchable) Print Quality Image Resolution: High-resolution scans ensuring clarity of diagrams and text Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Family Examples: M102 (2.0L, 2.3L inline-4), M103 (2.6L, 3.0L inline-6), M104 (2.8L, 3.2L inline-6), OM601 (2.0L inline-4 Diesel), OM602 (2.5L, 2.9L inline-5 Diesel), OM603 (3.0L inline-6 Diesel) Performance Typical Horsepower Range: 90 HP (OM601 Diesel) - 231 HP (M104 E32 AMG) Typical Torque Range: 140 Nm (OM601 Diesel) - 345 Nm (M104 E32 AMG) Fuel System Fuel Delivery Examples: Bosch K-Jetronic mechanical fuel injection, Bosch KE-Jetronic (CIS-E) electronic fuel injection, Bosch HFM (Hot Film Air Mass) sequential injection, Bosch EDC (Electronic Diesel Control) 🔧 Transmission Standard Standard Transmission: 4-speed manual (early models), 5-speed manual (later models) Optional Optional Transmission: 4-speed automatic (722.3, 722.4), 5-speed automatic (722.5) Features Automatic Features: Hydraulically controlled, often with Comfort/Economy modes, later models featured electronic control for smoother shifts and better fuel economy. 📐 Dimensions Exterior Sedan Length: Approx. 4740-4790 mm (186.6-188.6 in) Estate Length: Approx. 4765-4820 mm (187.6-189.8 in) Coupe Length: Approx. 4740-4770 mm (186.6-187.8 in) Weights Curb Weight Range: Approx. 1450-1750 kg (3197-3858 lbs), depending on body style and engine 🛡️ Safety Features Ratings Safety Approvals: Generally considered very safe for its era, excellent crashworthiness for the time. No standardized NCAP ratings for this period, but internally and in various tests, it performed exceptionally well. Active Features Active Safety Features: Optional Anti-lock Braking System (ABS) widely available, strong disc brakes all around, precise steering. Passive Features Passive Safety Features: Reinforced safety cell, impact-absorbing crumple zones, dual front airbags (optional on many models, standard on later high-end trims), seatbelt pre-tensioners, side-impact protection beams. 💡 Technology Features Infotainment Infotainment Features: Factory-fitted premium sound systems (often Becker), cassette players, optional CD changers, manual or automatic climate control. Driver Assistance Driver Assistance Features: ABS (Anti-lock Braking System), Cruise Control (Tempomat), optional Traction Control System (ASR) on some later models, self-leveling suspension (Estate models). Connectivity Connectivity Features: Limited by era; primarily factory radio and speaker systems. Early forms of remote central locking and power accessories. No Bluetooth or Wi-Fi connectivity. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000-15,000 km (6,000-9,000 miles) or 12 months, depending on oil type and driving conditions. Consult specific manual for exact intervals. Major Service Intervals: Spark plugs: 50,000-100,000 km. Coolant flush: 2-4 years. Brake fluid: 2 years. Transmission fluid/filter: Varies significantly by transmission type and driving, often 60,000-100,000 km for automatics. Fluid Specifications Engine Oil Specification: MB 229.1 or 229.3 compliant oils, typically 0W-40, 5W-40, 5W-30, or 10W-40 depending on climate and engine. Consult manual for exact viscosity and spec. Transmission Fluid Automatic: MB 236.6 or 236.7 (e.g., Shell ATF Dexron II E, Texaco ETL-7045E). Specific type...