🏷️ Basic Information Identification Make: Mercedes-Benz Model: SL-Class Chassis Code: R107 / C107 Model Year: 1980 Codes Platform: R107 👋 Introduction Market Position Target Audience: Mercedes-Benz R107/C107 owners, DIY enthusiasts, independent repair shops Competitive Analysis Differentiation: Vehicle-specific, factory-issued content, comprehensive A-Z coverage, digital format for ease of use and portability Key Features Convenience: Single PDF file, printable pages, searchable content, zoomable images Accuracy: Exact manual used by dealership technicians Value Proposition Benefits: Saves time, empowers DIY repairs, reduces reliance on mechanics, promotes vehicle knowledge 📋 Manual Details Coverage Areas Models Covered: R107 SL and C107 SLC Coupe models Repair Scope: All models and all repairs A-Z Page Count Estimated Page Count: Extensive (specific count not provided, but described as comprehensive for all repairs) Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: PDF (Digital) 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel Service Specifications, Emission Control, Intake/Exhaust/Cooling, Lube, Ignition, Starting/Charging, Auto Transmission, Manual Transmission, Transfer/Propeller Shaft, Drive Shaft, Differential, Axle Suspension Chassis And Body: Tire & Wheel, Brake Control, Brakes, Parking Brake, Steering Column, Power Steering, Exterior & Interior, Engine Hood/Door, Windshield/Glass/Mirror, Instrument Panel, Seat Electrical And Accessories: Electrical System, Air Conditioning, Supplemental Restraint System, Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter/Audio/Visual, Horn Advanced Systems: Multiplex/CAN Communication (if applicable to 1980 models, typically early electronics) Procedures Included Diagnostic: Diagnosis and troubleshooting for all covered systems Maintenance: Scheduled maintenance procedures, fluid changes, filter replacements Repair And Rebuild: Complete step-by-step instructions for mechanical and electrical component repair and rebuild Adjustment And Calibration: Adjustment and calibration procedures for various systems (e.g., fuel injection, ignition timing) Technical Depth Depth: Factory-level, detailed technician-grade information Content Type: Step-by-step instructions, diagrams, illustrations, wiring schematics, specifications 📊 Manual Specifications File Format Format: PDF Searchable: Yes (implied by digital format) Print Quality Printable: Yes, all pages printable Zoom Capability: Yes, images can be enlarged and printed Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) Compatibility Operating Systems: Windows Vista (32/64), XP, ME, 98, NT, 2000, and Mac Requirements Software Requirements: Adobe PDF Reader, Winzip (free online) ⚙️ Engine Specifications Primary Engine Engine Options: Likely covers multiple engines for the 1980 model year, including but not limited to: 3.8L V8 (M116.96x), 4.5L V8 (M117.96x), 5.0L V8 (M117.964 - 500 SL) Performance Horsepower Range: Approx. 155 hp (3.8L) to 230 hp (5.0L) depending on engine and market specifications Torque Range: Varies significantly by engine displacement and configuration Fuel System Injection Systems: Bosch K-Jetronic (CIS - Continuous Injection System) mechanical fuel injection is common for this era and engine types. Engine Management Ignition System: Electronic ignition system (likely distributor-based) 🔧 Transmission Standard Transmission Type: Automatic Transmission (e.g., 3-speed or 4-speed automatic, such as 3HP22 or 4HP22) Optional Transmission Options: Manual transmissions may have been available on some R107/C107 models, though less common than automatics. Features Hydraulic Control: Torque converter automatic with hydraulic control 📐 Dimensions Exterior Wheelbase: R107 SL: 2,460 mm (96.9 in); C107 SLC: 2,804 mm (110.4 in) Overall Length: R107 SL: Approx. 4,770 mm (187.8 in); C107 SLC: Approx. 4,725 mm (186.0 in) Weights Curb Weight: Approx. 1,500 - 1,700 kg (3,300 - 3,750 lbs) depending on engine and equipment Gross Vehicle Weight Rating: Not specified in product info, but available in manual 🛡️ Safety Features Ratings Crash Test Data: As a 1980 vehicle, standardized crash testing as we know it today was less prevalent. Manual would detail safety features of the era. Active Features Braking System: Four-wheel disc brakes, typically with ventilated front discs. ABS was not standard on this model year. Steering: Recirculating ball steering, with optional power assist. Passive Features Airbags: Not applicable for 1980 models. Seat Belts: Three-point seat belts in the front Body Structure: Reinforced passenger cell, crumple zones (typical of Mercedes-Benz engineering) 💡 Technology Features Infotainment Audio System: Factory-installed analog radio, often with cassette player option. Upgradeable to modern head units. Driver Assistance Cruise Control: Available as an option on many models, a sophisticated feature for its time. Connectivity Connectivity Features: Basic for the era. Primarily mechanical linkages and basic electrical systems. No modern connectivity features. Climate Control System Type: Manual or automatic climate control (thermo-matic) depending on specification. Utilizes a vacuum-actuated system common in that era. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 - 15,000 km (6,000 - 9,000 miles) or annually, depending on driving conditions and oil type. Manual will specify precise interval. Major Service Interval: Significant checks and replacements (e.g., spark plugs, fuel filter, coolant) usually around 30,000 - 50,000 km (20,000 - 30,000 miles). Fluid Specifications Engine Oil: API SF or SG classification, viscosity typically SAE 20W-50 or 15W-40 depending on climate. Manual will specify exact grade and capacity. Transmission Fluid: Mercedes-Benz Automatic Transmission Fluid (ATF) specification, likely MB 236.2 or equivalent. Manual...