🏷️ Basic Information Identification Make: Mercedes-Benz Model: 380SLC Year: 1981 Codes Chassis Code: R107 👋 Introduction Market Position Segment: Luxury Grand Tourer Coupe Competitive Analysis Competitors: BMW 6 Series, Porsche 928, Jaguar XJ-S Key Features Design Language: Classic Mercedes-Benz styling, robust build quality, focus on comfort and performance. Target Audience: Affluent individuals seeking a sophisticated, powerful, and reliable grand touring experience. 📋 Manual Details Coverage Areas Primary Coverage: Full Service and Repair Page Count Estimated Page Count: Extensive (not specified, but comprehensive based on content list) Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine: Maintenance, inspection, timing, fuel system, ignition, exhaust, cooling, belts, filters, mounts Transmission: Manual and Automatic transmission fluid changes, level checks, filter replacement Drivetrain: Transfer case fluid, front axle oil, rear axle oil, drive shaft flexible coupling inspection Suspension: Inspection, level control, ADS, 4MATIC, self-leveling suspension, front axle ball joints, rear axle mount adjustments Brakes: Fluid checks and replacement, lines, pads, discs, parking brake adjustment and check, brake testing Steering: Power steering fluid, steering play, steering bolt tightening Electrical: Warning and indicator lamps, battery fluid level Body And Chassis: Body structure inspection, water leakage, corrosion, lower panels, door hinges, locks, hood lubrication, sunroof, soft top, paint damage HVAC: Cooling/heating system inspection, AC refrigerant charge, dust filter, active charcoal filter, recirculating air filter, windshield washer fluid Wheels And Tires: Wheel inspection and rotation, tire inspection, tire pressure correction, wheel bolt tightening Accessories: Hydraulic top operation, sunroof rails, antenna mast cleaning, tone head cleaning, folding side mirror lubrication Procedures Included Maintenance: Oil and filter changes, fluid level checks and top-offs, filter replacements, belt checks and adjustments, spark plug replacement, lubrication Troubleshooting: Implicitly covered through detailed inspection and adjustment procedures for various systems. Repair: Detailed instructions for component replacement and adjustment of critical systems. Diagnostics: Inspection procedures for identifying issues with components, lines, and hoses. Technical Depth Depth: Comprehensive factory-level repair and maintenance procedures, suitable for professional technicians and experienced DIYers. 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Printable pages Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Searchability Search Functionality: Completely searchable Bookmarks Bookmarking: Completely bookmarked Authenticity Source: Factory original files (not scans) ⚙️ Engine Specifications Primary Engine Engine Type: V8 Displacement: 3.8 Liters (3839 cc) Engine Code: M116 Performance Horsepower: Approximately 155-160 hp (varies by market and exact configuration) Torque: Approximately 205-210 lb-ft (varies by market and exact configuration) Fuel System Fuel Delivery: Bosch K-Jetronic Fuel Injection (CIS) Maintenance Valve Adjustment: Requires periodic checking and adjustment of valve clearance. Injection Timing: Critical for performance and emissions, requires precise adjustment. 🔧 Transmission Standard Type: 3-speed Automatic (e.g., 3HP22) or 4-speed Manual (less common on 380SLC) Optional Type: 4-speed Manual Transmission Features Fluid Type Auto: Dexron III (or equivalent) Fluid Capacity Auto: Approximately 7-8 liters (including torque converter, check manual for exact) Fluid Type Manual: GL-4 Gear Oil (e.g., SAE 75W-90) 📐 Dimensions Exterior Body Style: 2-door Coupe Wheelbase: 2575 mm (101.4 inches) Length: 4765 mm (187.6 inches) Width: 1790 mm (70.5 inches) Height: 1390 mm (54.7 inches) Weights Curb Weight: Approximately 1650-1750 kg (3638-3858 lbs) 🛡️ Safety Features Ratings Crash Testing: Modern crash safety standards were developing; focus on robust chassis and passive safety features for its era. Active Features Braking: Four-wheel disc brakes, often with ABS as an option. Passive Features Restraints: Seat belts, reinforced A-pillars and doors. Structure: Designed with a strong unibody construction for occupant protection. 💡 Technology Features Infotainment Audio System: Original factory radio/cassette deck, often with potential for upgrades. Tone head cleaning mentioned in manual. Driver Assistance ABS: Optional Anti-lock Braking System (ABS) available on some models. Comfort Features Climate Control: Air conditioning system, heating system, often with automatic climate control options. Windows And Top: Power windows, power sunroof, and a hydraulic soft top mechanism (for the convertible SL, but related maintenance concepts apply to interior trim/seals). 🔧 Maintenance Service Intervals Oil Change: Typically every 5,000-7,500 miles or 6-12 months, using the correct oil specification. Manual provides exact interval. Transmission Fluid: Automatic transmission fluid and filter recommended every 30,000-50,000 miles. Manual transmission oil check and change as per manual. Coolant Flush: Every 2-3 years or as specified by coolant type. Manual will provide details. Fluid Specifications Engine Oil: Consult manual for specific viscosity (e.g., 15W-40 or 20W-50 depending on climate) and API classification. Coolant: Proprietary Mercedes-Benz coolant or a compatible ethylene glycol-based coolant. Manual will specify ratio. Brake Fluid: DOT 3 or DOT 4 brake fluid. Known Issues Fuel System: K-Jetronic system can be sensitive to vacuum leaks and fuel pressure issues; requires specialized knowledge. Rust: Common on older Mercedes models, particularly in wheel wells, rocker panels, and around windows. Regular inspection is crucial. Suspension: Wear in ball joints, bushings,...