🏷️ Basic Information Identification Make: Mercedes-Benz Model: W108 / W113 Series (S-Class / SL) Type: Passenger Car (PKW) Codes Chassis Code: W108 (S-Class Sedans), W113 (SL Roadster/Coupe) Internal Project Codes: W108, W109, W111, W112 (partial overlap for components), W113 👋 Introduction Market Position Target Audience: Owners and independent repair shops of Mercedes-Benz W108 and W113 series vehicles Competitive Analysis Value Proposition: Enables significant cost savings on vehicle maintenance and repair by empowering owners to perform tasks themselves Key Features Ease Of Use: Designed for ease of understanding with clear, step-by-step instructions and visuals Availability: Instant digital delivery post-purchase 📋 Manual Details Coverage Areas Service And Repair Scope: Complete A-Z service and repair procedures Page Count Estimated Pages: Extensive (specific count not provided, but implied to be comprehensive) Manual Type Type: Workshop Service Repair Manual Language Language: German Format Delivery Format: Downloadable Digital File Accessibility: Printable, Tablet/Smartphone Compatible Software Requirements Required Software: Adobe Reader 📖 Manual Coverage Systems Covered Powertrain: Engine (M108, M109, M114, M115, M116, M117, M130), Fuel System, Cooling System, Exhaust System Transmission: Manual Transmission, Automatic Transmission (e.g., 3-speed, 4-speed) Chassis: Suspension (Front and Rear), Steering System, Brakes (Hydraulic, Disc/Drum) Electrical: Ignition System, Lighting, Instrumentation, Power Accessories, Wiring Diagrams Body And Interior: Body Panels, Doors, Windows, Seats, Trim, HVAC (Heating, Ventilation, Air Conditioning) Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Lubrication Repair: Engine Overhaul, Transmission Rebuild, Brake System Repair, Suspension Component Replacement, Electrical Component Troubleshooting and Repair Diagnostics: Troubleshooting Guides, Symptom-Based Diagnostics Adjustments: Carburetor Adjustments, Ignition Timing, Valve Clearances Technical Depth Depth: Comprehensive, suitable for DIY enthusiasts and professional mechanics Detail Level: Step-by-step instructions with illustrations/pictures 📊 Manual Specifications File Format Format: Digital (likely PDF) Print Quality Printability: High Quality, Printable Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine W108 Sedan Engines: M108 (2.5L Inline-6), M109 (3.0L V8 - 300SEL 6.3), M114 (2.3L Inline-6 - 230, 230S), M115 (2.2L Inline-4 - 220, 220S, 220D), M116 (3.5L V8 - 280SE 3.5), M117 (4.5L V8 - 280SE 4.5, 300SEL 4.5) W113 Sl Engines: M127 (2.3L Inline-6 - 230SL), M129 (2.5L Inline-6 - 250SL), M130 (2.8L Inline-6 - 280SL) Performance Typical Horsepower Range: 90 HP (Diesel) to 230 HP (V8 models), depending on specific engine and tune Typical Torque Range: 150 Nm to 345 Nm (approximate, varies by engine) Fuel System Carbureted Engines: Zenith, Solex, or SU Carburetors (e.g., 230SL, 230S) Fuel Injection: Bosch Mechanical Fuel Injection (e.g., M116, M117 V8s, 280SL) Diesel Fuel System: Bosch Inline Injection Pump (for 220D) 🔧 Transmission Standard W108 Standard Transmission: 4-speed Manual (floor shift or column shift) W113 Standard Transmission: 4-speed Manual (floor shift) Optional W108 Optional Transmission: 4-speed Automatic (e.g., 300SEb, 280SE, 300SEL) W113 Optional Transmission: 4-speed Automatic (e.g., 230SL, 250SL, 280SL) Features Automatic Transmission Type: Mercedes-Benz hydraulically controlled automatic transmission 📐 Dimensions Exterior W108 Sedan Wheelbase: Approx. 2750 mm (short wheelbase), 3050 mm (long wheelbase for 300SEL) W113 Coupe Wheelbase: Approx. 2310 mm Weights W108 Curb Weight: Approx. 1500 - 1750 kg W113 Curb Weight: Approx. 1350 - 1450 kg 🛡️ Safety Features Ratings Safety Standards: Designed to contemporary European safety standards of the era Active Features Braking System: Hydraulically assisted, front disc brakes standard on most models, rear drum brakes. Power assist standard. Steering System: Recirculating ball steering; power steering widely available or standard on higher-end models. Passive Features Body Structure: Integrated safety cell construction with crumple zones. Seatbelts: Provision for seatbelts; factory-fitted or dealer-installed based on market and options. 💡 Technology Features Infotainment Audio Systems: Period-correct AM/FM radios; options for period-style aftermarket units available. Driver Assistance Power Steering: Optional or standard on many models, enhancing drivability. Connectivity Vintage Features: Focus on mechanical systems and core driving experience rather than modern electronic connectivity. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000 - 7,500 km or 6 months (refer to specific engine and oil type) Major Service Interval: Varies significantly, often around 30,000 - 50,000 km for extensive checks and component replacements Fluid Specifications Engine Oil Recommendation: API SE/SF or equivalent, SAE 20W-50 or 10W-40 depending on climate (specific grades in manual) Coolant Type: Ethylene glycol based coolant with anti-corrosion additives (e.g., MB-Approval 325.0) Transmission Fluid Type: Automatic: Dexron II or equivalent. Manual: SAE 90 GL-4 Gear Oil (specific Mercedes specs apply) Brake Fluid Type: DOT 3 or DOT 4 Hydraulic Brake Fluid (non-silicone based) Known Issues Common Wear Items: Rubber hoses and seals (perishing due to age), Ball joints and tie rod ends (suspension wear), Heater control valve, Ignition components (points, condenser, rotor), Carburetor sealing rings. Body Corrosion: Prone to rust in typical areas such as wheel arches, sills, door bottoms, and rear spring pockets. 📚 Vehicle History Brand Heritage Mercedes Benz Legacy: Reputation for engineering excellence, build quality, and durability dating back to the early 20th century. Model...