🏷️ Basic Information Identification Make: Mercedes-Benz Model: 380SL Year: 1985 Codes Chassis Code: R107 Engine Code: M116 (3.8L V8) 👋 Introduction Market Position Positioning: The Mercedes-Benz R107 chassis, particularly the 380SL, represented the pinnacle of luxury roadsters in its era, blending robust German engineering with opulent comfort and performance. This manual serves the discerning owner or mechanic dedicated to maintaining this classic. Competitive Analysis Competitors: Competed against vehicles like the Jaguar XJS, Porsche 928, and certain high-end American convertibles, but differentiated itself with its build quality, V8 engine refinement, and enduring design. Key Features Vehicle Appeal: Iconic design, smooth V8 power, convertible and hardtop options, renowned Mercedes-Benz build quality and longevity. Manual Value Value Proposition: Provides essential information for owners to perform their own maintenance or for mechanics to accurately diagnose and repair issues, ensuring the longevity and optimal performance of a cherished classic automobile. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Maintenance, Diagnostics, Troubleshooting, Electrical Systems, Bodywork Secondary Coverage: Component Overhaul, Technical Specifications, Diagrams, Torque Values Page Count Estimated Page Count: Approximately 1000+ Manual Type Type: Service and Repair Workshop Manual Language Language: English Format Format: Digital (likely PDF) 📖 Manual Coverage Systems Covered Engine: Complete engine mechanicals, cooling system, lubrication, fuel injection (Bosch K-Jetronic), ignition system, exhaust system Transmission: Automatic transmission (e.g., 4G-Tronic/722.3) service, overhaul, fluid and filter replacement, troubleshooting Drivetrain: Rear axle, differential, drive shafts, universal joints Suspension: Front and rear suspension components, shock absorbers, springs, bushings, alignment procedures Brakes: Hydraulic system, disc brakes (front and rear), parking brake, ABS (if equipped), fluid replacement, bleeding procedures Steering: Power steering system, steering box, linkages, troubleshooting Electrical: Complete wiring diagrams, battery, charging system, starter, lighting, instruments, power windows, power seats, climate control, radio Bodywork: Body panels, doors, windows, convertible top mechanism, trim, rust repair considerations Procedures Included Maintenance: Routine maintenance checks, oil change, filter replacement, tune-up procedures, lubrication points Repair: Engine component replacement (e.g., spark plugs, belts, hoses), transmission service, brake pad replacement, suspension component repair Troubleshooting: Diagnostic flowcharts, common problem identification and solutions for various systems Overhaul: Detailed instructions for rebuilding major components like the engine and transmission Diagnostics: Identification of diagnostic trouble codes (DTCs) where applicable, specific diagnostic tests for electrical and mechanical systems Technical Depth Depth: Comprehensive, suitable for professional mechanics and advanced DIY enthusiasts; covers from basic maintenance to full engine and transmission rebuilds 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for quick information retrieval Printability: Printable pages for on-the-go reference Print Quality Image Resolution: High-resolution diagrams and illustrations Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) Manual Completeness Completeness: Represents a factory-level or equivalent workshop manual, offering comprehensive repair and service procedures. ⚙️ Engine Specifications Primary Engine Engine Type: V8, SOHC (Single Overhead Camshaft) Displacement: 3839 cc (3.8 Liters) Bore X Stroke: 86.0 mm x 80.25 mm Compression Ratio: 8.3:1 Performance Horsepower Gross: 155 hp @ 4750 rpm (USA spec, may vary slightly) Torque Gross: 205 lb-ft @ 2500 rpm (USA spec, may vary slightly) Fuel System Fuel Delivery: Bosch CIS-E (Continuous Injection System - Electronic) Fuel Injection Fuel Type: Premium Unleaded Gasoline (91+ octane recommended) Ignition System Ignition Type: Electronic Ignition with Distributor Cooling System Coolant Capacity: Approx. 10.5 Liters (11.1 US Quarts) Lubrication System Oil Capacity With Filter: Approx. 7.5 Liters (7.9 US Quarts) Recommended Oil Viscosity: SAE 15W-40 or 10W-30 (check owner's manual for specific climate recommendations) 🔧 Transmission Standard Transmission Type: 4-speed Automatic (4G-Tronic / 722.3) Optional Optional Transmission: None offered for 1985 380SL in most markets Features Torque Converter: Lock-up torque converter for improved fuel efficiency Fluid Specifications Transmission Fluid Type: MB 236.1 Specification Automatic Transmission Fluid (e.g., Dexron III equivalent often used) Fluid Capacities Transmission Fluid Capacity: Approx. 8.0 Liters (8.5 US Quarts) for a full refill 📐 Dimensions Exterior Length: 4575 mm (180.1 in) Width: 1790 mm (70.5 in) Height: 1303 mm (51.3 in) Wheelbase: 2460 mm (96.9 in) Front Track: 1448 mm (57.0 in) Rear Track: 1430 mm (56.3 in) Weights Curb Weight: Approx. 1630 kg (3593 lbs) Gross Vehicle Weight Rating: Approx. 2000 kg (4409 lbs) Cargo Trunk Capacity: Approx. 220 Liters (7.8 cu ft) 🛡️ Safety Features Ratings Crash Test History: While specific 1985 ratings are scarce, the R107 chassis was engineered with a focus on occupant protection for its era, featuring a robust unibody structure. Active Features Active Safety Systems: Four-wheel disc brakes, power-assisted steering, limited-slip differential (optional on some models) Passive Features Passive Safety Features: Seat belts (inertia reel), padded dashboard and steering wheel, reinforced A-pillars, crumple zones 💡 Technology Features Infotainment Infotainment System: Basic AM/FM radio with cassette player, optional premium sound systems were available. Driver Assistance Driver Assistance Features: ABS (Anti-lock Braking System) became more common in later R107 models, but its availability on a 1985 380SL would depend on...