🏷️ Basic Information Identification Make: Mercedes-Benz Model: W124 Model Line Designation: E-Class (Second Generation) Codes Chassis Code: W124 👋 Introduction Market Position Vehicle Segment: Executive Sedan/Coupe/Estate/Convertible Segment Positioning: The W124 represented the pinnacle of Mercedes-Benz engineering and build quality in its era, known for its durability, safety, and refinement. Competitive Analysis Primary Competitors: BMW 5 Series (E34), Audi 100/A6 (C3/C4), Volvo 700 Series, Lexus LS 400 (later models). Key Features Engineering Philosophy: Over-engineered for longevity, superior build quality, advanced safety features for its time, aerodynamic design. Manual Value Proposition: Empowers owners to perform comprehensive maintenance and repairs, saving significant costs while ensuring proper upkeep of a complex luxury vehicle. 📋 Manual Details Coverage Areas Years Covered: 1990, 1991, 1992, 1993, 1994, 1995 Body Styles Covered: Sedan (Saloon), Coupe, Estate (Station Wagon/T-Model), Convertible (Cabriolet) Model Variants Covered: All models, engines, trim levels, and transmission types within the specified years. Page Count Estimated Page Count: Extensive, likely exceeding 1500 pages (typical for complete Mercedes-Benz workshop manuals). Manual Type Type: Complete Workshop Service Repair Manual Language Language: English Format Delivery Format: Downloadable Digital File Software Requirement: Adobe Reader (or compatible PDF viewer) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanicals, fuel injection systems (KE-Jetronic, HFM, LH-Jetronic), ignition systems, exhaust systems, engine cooling systems. Transmission: Automatic transmission (e.g., 4-speed 722.4, 5-speed 722.5), manual transmission (if applicable to specific models within the range). Chassis And Suspension: Front and rear suspension, steering system, brake system (including ABS), wheel and tire specifications. Electrical And Electronics: Wiring diagrams, lighting systems, instrument cluster, power windows, central locking, climate control, engine control unit (ECU) diagnostics, body control modules. Body And Interior: Body panel removal and installation, interior trim, seats, doors, HVAC system. Procedures Included Maintenance: Scheduled maintenance, fluid changes (oil, coolant, brake fluid, transmission fluid), filter replacements, spark plug replacement, belt checks. Repair: Engine overhaul, transmission repair, brake caliper replacement, suspension component replacement, electrical component diagnosis and repair. Troubleshooting: Diagnostic procedures, fault code interpretation (where applicable), symptom-based troubleshooting guides. Installation And Adjustment: Component installation, timing adjustments, pressure tests, alignment procedures. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complex engine and transmission rebuilds, including detailed diagnostic procedures and electrical schematics. 📊 Manual Specifications File Format File Type: PDF Print Quality Resolution: High-resolution, suitable for clear printing of text and diagrams. Features: Printable by chapter or entire document, searchable text for quick information retrieval. Binding Type Digital Binding: N/A (Digital File) Paper Type Digital Paper Type: N/A (Digital File) ⚙️ Engine Specifications Primary Engine Engine Family: M102, M103, M104 (Inline-4, Inline-6 petrol), OM601, OM602, OM603 (Inline-4, Inline-5, Inline-6 diesel). Performance Power Output Range: Approximately 90 hp (diesel) to 270 hp (300CE-24/E320). Torque Range: Approximately 130 lb-ft (diesel) to 300 lb-ft (E320). Fuel System Petrol Injection Systems: Bosch KE-Jetronic (mechanical-hybrid), Bosch HFM (Hot Film Meter), Bosch LH-Jetronic (Mass Air Flow). Diesel Injection Systems: Bosch inline injection pumps, indirect injection (IDI). Technical Details Engine Management: Drivetrain Control Unit (DCU) or Engine Control Unit (ECU) depending on engine and year. 🔧 Transmission Standard Manual Option: Available on select models, typically 4 or 5-speed. Optional Automatic Option: Predominant transmission, 4-speed (722.4) or 5-speed (722.5) electronically controlled automatic. Features Automatic Modes: Comfort (C) and Sport (S) modes on some models. Fluid Requirements Automatic Transmission Fluid: MB 236.1, 236.3, or 236.7 (e.g., Dexron III equivalent or specialized MB fluids). 📐 Dimensions Exterior Length: Approx. 4740-4900 mm (Sedan/Coupe), 4775-4995 mm (Estate). Width: Approx. 1740-1750 mm. Height: Approx. 1430-1460 mm (Sedan/Coupe), 1485-1500 mm (Estate). Weights Curb Weight: Approx. 1400-1700 kg, depending on engine and body style. Gross Vehicle Weight: Varies by model, typically 1900-2200 kg. 🛡️ Safety Features Ratings Era Specific Safety: Considered exceptionally safe for its time, featuring a very strong safety cage, crumple zones, and advanced chassis design. Active Features Antilock Braking System: ABS standard on most models from 1990 onwards. Traction Control: ASR (Anti-Slip Regulation) available on higher-end models/engines. Passive Features Airbags: Driver's airbag became standard on most models during this period. Passenger airbags were optional or standard on later models. Seatbelts: Pre-tensioning front seatbelts. 💡 Technology Features Infotainment Audio Systems: Factory-installed Becker radios with optional CD changers, cassette players. Climate Control: Manual or optional automatic climate control (Klimatronic). Driver Assistance Cruise Control: Standard on many models, cruise control functionality. Limited Slip Differential: Optional on some rear-wheel-drive models for improved traction. Connectivity Antenna System: Integrated antenna in rear window on sedans/coupes, mast antenna on estates/convertibles. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 7,500 to 15,000 miles (12,000 to 24,000 km) or 12 months, depending on oil type and driving conditions. Refer to manual for specific interval. Major Service Interval: Major services including spark plugs, fuel filters, air filters typically around 30,000 miles (50,000 km). Fluid Specifications Engine Oil Specification: API SG or higher; ACEA A2-96 / B2-96. Viscosity grade often 10W-30, 10W-40, 15W-40,...