🏷️ Basic Information Identification Make: Mercedes-Benz Model: SL-Class Chassis Code: R107 / C107 Model Year: 1985 Generation Generation Code: Second Generation (R107/C107) Generation Years: 1971-1989 Codes Body Style R107: Roadster/Convertible (soft top) Body Style C107: Coupe (SLC) 👋 Introduction Market Position Target Audience: Owners of 1985 Mercedes R107/C107 SL-Class seeking to perform maintenance, diagnostics, and repairs themselves. Value Proposition: Provides factory-accurate, vehicle-specific information equivalent to dealer technician manuals, enabling cost savings and improved vehicle upkeep. Competitive Analysis Uniqueness: Vehicle-specific, not generic; direct replacement for official dealer repair manuals. Key Features Organization: All information in one easy-to-use PDF, eliminating the need to flip through multiple books. Usability: Printable pages for workshop use, ability to enlarge images, digital format protects against wear and tear. 📋 Manual Details Coverage Areas Primary Coverage: 1985 Mercedes-Benz R107 & C107 SL-Class Secondary Coverage Note: Covers all models and all repairs A-Z for the specified year. Page Count Estimated Page Count: Extensive (specific count not provided, but described as comprehensive) Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: PDF (Digital) 📖 Manual Coverage Systems Covered Engine Management: Detailed diagnostics, fuel system, ignition system, control systems. Powertrain: Engine mechanical, lubrication, cooling, intake, exhaust, emission control, automatic transmission, manual transmission, clutch, driveshaft, differential, axles. Chassis: Suspension (front and rear), steering (column and power steering), wheels, tires, brakes (hydraulic, parking). Electrical And Electronics: Starting and charging systems, wiring schematics, lighting, instruments, meters, audio/visual, horn, multiplex/CAN communication (for the era), supplemental restraint system, seat belts, engine immobilizer, cruise control. Body And Interior: Body repair, exterior and interior trim, doors, hood, engine hood, glass, mirrors, instrument panel, seats, air conditioning. Auxiliary Systems: Wiper and washer systems, door locks. Procedures Included Maintenance: Regular maintenance schedules, fluid changes, filter replacements, inspections. Diagnostics: Troubleshooting guides, symptom-based diagnostics, component testing. Repair: Step-by-step repair instructions for all covered systems. Disassembly And Assembly: Detailed procedures for component removal and installation. Adjustments And Calibration: Procedures for setting clearances, alignments, and system calibrations. Technical Depth Depth: Factory-level detail, suitable for professional technicians and advanced DIYers. Documentation Type: Includes step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications. 📊 Manual Specifications File Format Format: PDF Compatibility: Windows (Vista32/64, XP, ME, 98, NT, 2000) and Mac compatible. Requirements: Adobe PDF Reader, Winzip (free online). Print Quality Printability: All pages are printable, allowing for enlarged copies of diagrams and images. Binding Type Binding: N/A (Digital PDF format) Paper Type Paper Type: N/A (Digital PDF format, print as needed) ⚙️ Engine Specifications Primary Engine Engine Options 1985: Likely includes 3.0L (183 cu in) inline-6 (e.g., 300SL) and 3.8L (230 cu in) V8 (e.g., 380SL) or 5.0L (305 cu in) V8 (e.g., 500SL) depending on market and specific sub-model. Performance Horsepower Range: Varies by engine, typically from approximately 150 hp to over 230 hp for V8 models. Torque Range: Varies by engine, typically from approximately 170 lb-ft to over 280 lb-ft. Fuel System Fuel Injection: Bosch K-Jetronic (CIS - Continuous Injection System) mechanical fuel injection is common for this era. Fuel Type: Unleaded gasoline Fuel Octane Rating: Premium Unleaded (e.g., 91 RON or higher) 🔧 Transmission Standard Transmission Options 1985: 4-speed automatic transmission (e.g., 722.3) was the most common, with a 4-speed manual also available on some models/markets. Optional Manual Transmission Availability: Less common than automatic, typically found on earlier R107 models or specific market configurations. Features Automatic Transmission Type: Hydraulic, electronically controlled (for the era) 4-speed automatic. 📐 Dimensions Exterior Wheelbase: Approx. 2,400 mm (94.5 inches) for R107 Roadster, C107 Coupe (SLC) had a longer wheelbase. Length: Varies by model (e.g., R107 approx. 4,350-4,780 mm; C107 longer). Width: Approx. 1,790 mm (70.5 inches). Height: Approx. 1,300 mm (51.2 inches). Weights Curb Weight: Varies significantly by engine and body style, typically between 1,500 kg to 1,750 kg (3,300 lbs to 3,850 lbs). 🛡️ Safety Features Ratings Crash Test Data: Official crash test ratings from this era are scarce by modern standards. The R107/C107 featured a robust chassis and crumple zones for its time. Active Features Active Safety Features: Four-wheel disc brakes with ABS (Anti-lock Braking System) available on some later models. Passive Features Passive Safety Features: Reinforced body structure, energy-absorbing steering column, padded interior surfaces. 💡 Technology Features Infotainment Audio System: Factory-installed AM/FM radio with cassette player, often with power antenna. Aftermarket upgrades are common. Driver Assistance Driver Assistance Features: ABS (Anti-lock Braking System) was an option on later models. Cruise control was also available. Connectivity Connectivity Features: None by modern standards; connectivity was limited to basic radio and power systems. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-10,000 miles or 6-12 months, depending on driving conditions and oil type used. Major Service Intervals: Comprehensive inspections and component replacements (e.g., spark plugs, filters, belts) recommended at intervals like 30,000 miles or every few years. Fluid Specifications Engine Oil: Refer...