🏷️ Basic Information Identification Make: Mercedes-Benz Model: 500 SL Chassis Code: R129 Product Name: Mercedes 500 SL 1990-1993 Service Repair Manual Codes Engine Code Primary: M119 👋 Introduction Market Position Segment: Luxury Grand Tourer / Sports Convertible Target Audience: Enthusiast owners, independent repair shops, Mercedes-Benz specialists Competitive Analysis Competitors: BMW 8 Series, Jaguar XJS, Porsche 928 Key Features Design: Elegant styling, high-quality interior, advanced engineering for its era Performance: Powerful V8 engine, refined ride, excellent handling Technology: Introduction of advanced safety and comfort features, including standard airbags and optional traction control 📋 Manual Details Coverage Areas Engine Mechanical: Complete coverage Engine Management System: Fuel injection (KE-Jetronic), ignition, diagnostics Transmission Manual: 5-speed automatic (722.5) Chassis Suspension: Front and rear suspension, steering, brakes Electrical System: Wiring diagrams, component testing, diagnosis Body And Trim: Exterior panels, interior components, convertible top system HVAC: Climate control system operation and repair Safety Systems: Airbags, ABS, seatbelt systems Page Count Estimated Pages: 1000+ Manual Type Type: Comprehensive Service & Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, pistons, crankshaft, camshafts, timing, lubrication, cooling Engine Management: KE-Jetronic fuel injection system components, air flow meter, fuel distributor, injectors, ignition timing, diagnostic codes Transmission: 5-speed automatic transmission (722.5) overhaul, adjustments, hydraulic system, electronic controls Drivetrain: Driveshafts, differentials, rear axle assembly Suspension: Front independent suspension (double wishbone), rear multi-link suspension, springs, shock absorbers, bushings Steering: Power steering system, steering gearbox, linkages, adjustments Brakes: Front and rear disc brakes, ABS (Anti-lock Braking System) diagnosis and repair, brake fluid specifications Electrical Chassis: Lighting systems, wipers, horn, power windows, power seats, central locking Electrical Engine: Starter, alternator, battery, ignition system, fuel pump, engine sensors Body: Body panel removal and installation, rust repair, structural integrity Convertible Top: Hydraulic system, actuators, sensors, mechanical linkages for the electro-hydraulic soft top Climate Control: Air conditioning system components, refrigerant types, heating system, automatic climate control operation Safety Features: Airbag system diagnosis and replacement procedures, seatbelt pretensioners Procedures Included Maintenance: Scheduled maintenance intervals, oil changes, filter replacements, tune-ups, fluid checks Diagnostics: Troubleshooting guides, fault code interpretation, component testing procedures Repair: Step-by-step instructions for component removal, rebuilding, and installation Rebuilds: Detailed procedures for engine, transmission, and differential overhauls Adjustments: Valve adjustments, timing belt tension, brake adjustments, steering alignment specs Wiring Diagrams: Comprehensive electrical schematics for all vehicle systems Technical Depth Depth: Professional level, covering complex diagnostics and component overhauls 📊 Manual Specifications File Format File Type: PDF Searchability: Fully searchable text Print Quality Resolution: High-resolution images and diagrams Binding Type Binding: N/A (Digital) Paper Type Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: V8, Naturally Aspirated Engine Code: M119 E50 Displacement: 4973 cc (5.0 Liters) Bore X Stroke: 96.5 mm x 85.0 mm Compression Ratio: 10.0:1 Valve Train: DOHC, 4 valves per cylinder (32 valves total) Performance Horsepower: 322 hp @ 5700 rpm (approx.) Torque: 354 lb-ft @ 3800 rpm (approx.) Fuel System Fuel Delivery: Bosch KE-Jetronic Electronic Fuel Injection (EPI) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher) Lubrication Oil Capacity: 8.0 Liters (approx. 8.5 US Quarts) Recommended Oil: SAE 0W-40 or 5W-40 Synthetic (MB 229.5 spec) Cooling Coolant Capacity: 12.5 Liters (approx. 13.2 US Quarts) Recommended Coolant: Mercedes-Benz approved Antifreeze/Coolant (e.g., ZEREX G-05 or equivalent) 🔧 Transmission Standard Transmission Type: 5-Speed Automatic Transmission Code: 722.5 Optional Optional Transmission: N/A for this model/year range Features Gear Ratios Approx: 1st: 3.60, 2nd: 2.40, 3rd: 1.49, 4th: 1.00, 5th: 0.83, Reverse: 3.20 Fluid Capacity Fluid Capacity: Approximately 7.5 Liters (dry fill) Fluid Specifications Fluid Type: MB 236.8 or 236.7 Automatic Transmission Fluid (ATF), e.g., Mobil ATF 134 or equivalent 📐 Dimensions Exterior Length: 4750 mm (187.0 in) Width: 1810 mm (71.3 in) Height: 1300 mm (51.2 in) Wheelbase: 2500 mm (98.4 in) Front Track: 1540 mm (60.6 in) Rear Track: 1525 mm (60.0 in) Weights Curb Weight: 1850 kg (4079 lbs) approx. Gross Vehicle Weight Rating: 2200 kg (4850 lbs) approx. Fuel Capacity: 80 Liters (21.1 US Gallons) Towing Capacity: Not Recommended/Specified 🛡️ Safety Features Ratings NHTSA Rating: No formal NHTSA ratings available for this era, but designed to high Mercedes-Benz safety standards. Active Features ABS: Standard Bosch Anti-lock Braking System (ABS) Traction Control: Optional ASR (Acceleration Slip Regulation) available on later models within this range. Passive Features Airbags: Driver and Passenger Airbags (standard) Rollover Protection: Automatic, hydraulically deployed rollover bar activated by sensors Seatbelts: Front 3-point inertia reel seatbelts with pre-tensioners Body Construction: High-strength steel chassis and body panels, integrated safety cell 💡 Technology Features Infotainment Audio System: Premium sound systems (e.g., Becker) were available, often with cassette players. Navigation: Optional early navigation systems may have been available on some models, but less common. Driver Assistance Cruise Control: Standard electronic cruise control Seat Memory: Power adjustable seats with memory function Climate Control Type: Automatic climate control...