🏷️ Basic Information Identification Make: Mercedes-Benz Model: 300E 4Matic Chassis Code: W124 Codes Model Code Engine: M103 (3.0L Inline-6) Model Code Drivetrain: 4Matic (All-Wheel Drive) Generation Generation Code: Third Generation (Post-facelift) Model Years Covered: 1990-1993 👋 Introduction Market Position Vehicle Segment: Mid-size Luxury Sedan (E-Class segment). Target Audience: Affluent individuals, professionals, and those valuing build quality, comfort, and engineering excellence. Competitive Analysis Key Competitors: BMW 5 Series (E34), Audi 100/A6 (C3/C4), Lexus LS 400 (larger segment but perceived competitor), Volvo 740/940. Key Features Brand Reputation: Renowned for engineering, build quality, safety, and luxury. Model Lineage: Part of the highly respected W124 E-Class, known for its robustness and longevity. Drivetrain Offering: The 4Matic all-wheel-drive system provided enhanced traction and stability, a significant differentiator. Manual Value Proposition: Provides access to the same expert-level repair information used by Mercedes-Benz dealerships, empowering owners and independent mechanics. 📋 Manual Details Coverage Areas Technical Scope: Comprehensive service and repair for all vehicle systems. Geographic Coverage: Global (as dealership technicians would use it). Page Count Estimated Page Count: Extensive (specific count not provided, but implied to be comprehensive). Manual Type Type: Factory Service Workshop Manual / Repair Manual Language Language: English (implied by dealership technician reference). Format Format: HTML/Flash Menu with PDF 📖 Manual Coverage Systems Covered Engine: Complete overhaul, diagnostics, component testing, timing, fuel injection, ignition, cooling, lubrication. Transmission: Automatic transmission service, overhaul, diagnostics, torque converter, fluid service. Drivetrain: 4Matic all-wheel drive system, differentials, driveshafts, CV joints, transfer case. Brakes: Hydraulic system, ABS (Anti-lock Braking System), brake pad/rotor replacement, caliper service, bleeding procedures, parking brake. Suspension: Front and rear suspension components, shock absorbers, struts, control arms, ball joints, bushings, alignment procedures. Steering: Power steering system, steering gear, tie rods, steering column, alignment. Electrical System: Battery, charging system, starter, lighting, wipers, horn, power windows, central locking, ignition switch, fuses, relays, wiring diagrams. Body: Body shell, doors, hood, trunk, interior trim (seats, dashboard, door panels), exterior trim, bumpers, glass replacement. Climate Control: HVAC system, air conditioning, heating, ventilation, blower motor, evaporator, compressor, refrigerant service. Fuel System: Fuel tank, fuel pump, fuel filter, fuel injectors, fuel pressure regulation, evaporative emissions control (EVAP). Exhaust System: Exhaust manifolds, catalytic converter, muffler, exhaust pipes, oxygen sensors. Procedures Included Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement. Repair: Engine component replacement, transmission overhaul, brake system repairs, suspension component replacement, electrical troubleshooting, body panel repair. Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnosis, component testing procedures. Rebuilds: Complete engine and transmission rebuild procedures, including specifications and tolerances. Calibration And Adjustment: Engine timing, throttle body adjustment, suspension alignment. Technical Depth Depth: Expert-level, suitable for professional technicians and advanced DIY enthusiasts. Detail Level: Step-by-step instructions, detailed diagrams, torque specifications, component tolerances, special tool requirements. 📊 Manual Specifications File Format Primary Format: PDF Navigation Interface: HTML/Flash Menu Searchability: Likely searchable within PDF sections. Print Quality Printability: Printable pages for physical reference. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) Compatibility Operating Systems: Windows 95, 98, ME, XP, Vista, Windows 7. ⚙️ Engine Specifications Primary Engine Engine Type: 3.0 Liter, SOHC Inline 6-cylinder Engine Code: M103.980 Bore X Stroke: 88.5 mm x 80.25 mm Displacement: 2960 cc (3.0 Liters) Compression Ratio: 9.2:1 Performance Horsepower: 189 hp @ 5,700 rpm (approx.) Torque: 195 lb-ft @ 4,400 rpm (approx.) Fuel System Fuel Delivery: Bosch KE-Jetronic CIS-E (Continuous Injection System - Electronic) Fuel Injection Fuel Type: Unleaded gasoline, 91 octane (RON+MON)/96 AKI recommended Engine Management Ignition System: Electronic ignition with dual ignition coils Engine Control Unit: ME 1.0 or similar electronic control unit 🔧 Transmission Standard Type: 4-speed Automatic Transmission (4G-TRONIC) Optional Type: N/A for this model/year with 4Matic. Features Drivetrain Type: 4Matic All-Wheel Drive (permanent) Transfer Case: Integrated into the transmission housing. Differentials: Center differential (open), front and rear differentials (open) with optional LSD for rear. Fluid Specifications Transmission Fluid Type: MB Specification 236.1 (e.g., ATF Dexron II D or equivalent) Transmission Fluid Capacity: Approx. 8.0 Liters (check manual for exact dry fill) 📐 Dimensions Exterior Length: Approx. 188.1 inches (4,778 mm) Width: Approx. 69.3 inches (1,760 mm) Height: Approx. 55.1 inches (1,400 mm) Wheelbase: Approx. 110.8 inches (2,817 mm) Front Track: Approx. 58.3 inches (1,480 mm) Rear Track: Approx. 57.4 inches (1,458 mm) Weights Curb Weight: Approx. 3,600-3,800 lbs (1,630-1,725 kg) depending on options Gross Vehicle Weight Rating: Approx. 4,700 lbs (2,130 kg) Towing Capacity: Not typically specified for this model, generally not intended for towing. 🛡️ Safety Features Ratings Crash Test Ratings: N/A for this era's standardized ratings (e.g., NHTSA/IIHS); known for robust safety cage and passive safety features. Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: ASR (Anti-Slip Regulation) available on some models. Passive Features Airbags: Driver-side airbag standard from late 1990/early 1991 models onwards. Passenger airbag optional. Seat Belts: 3-point inertia-reel...