🏷️ Basic Information Identification Make: Mercedes-Benz Model: 450 SLC Model Code: C107 Production Years Covered By Manual: 1973-1980 Codes Chassis Code: C107 Engine Codes: M117 👋 Introduction Market Position Vehicle Class: Luxury Grand Tourer Coupe Target Audience: Discerning buyers seeking performance, luxury, and style Competitive Analysis Competitors: BMW 6 Series (E24), Jaguar XJ-S, Cadillac Eldorado, Rolls-Royce Corniche Key Features Body Style: Pillarless Hardtop Coupe Design Philosophy: Elegant styling, robust engineering, high-quality materials, exceptional comfort and performance Manual Value Proposition: Essential resource for owners and independent mechanics to maintain and repair the vehicle correctly, preserving its value and performance. 📋 Manual Details Coverage Areas Primary Coverage: Factory Service and Repair Secondary Coverage: Maintenance, Diagnostics, Troubleshooting, Overhaul Page Count Estimated Page Count: Likely over 1000 pages (typical for comprehensive factory manuals of this era) Manual Type Type: Factory Service Manual Language Language: English Format Format: PDF (Digital) 📖 Manual Coverage Systems Covered Engine: Complete teardown, rebuild, diagnostics, fuel injection (Bosch K-Jetronic), ignition system, cooling system, lubrication system Transmission: Automatic Transmission (e.g., 4G-Tronic/3-speed and 4-speed) repair, overhaul, adjustments, fluid specifications Drivetrain: Driveshaft, rear axle, differential overhaul and service Suspension: Front and rear suspension components, McPherson struts, control arms, bushings, shock absorbers, springs, servicing Steering: Power steering system diagnosis and repair, steering gearbox, linkage Brakes: Hydraulic brake system, disc brakes (front and rear), ABS (if equipped), brake caliper overhaul, master cylinder, brake fluid specifications Electrical System: Wiring diagrams, battery, alternator, starter, lighting system, ignition system, dashboard instruments, fuses, relays, troubleshooting Body And Chassis: Body panel removal and installation, door mechanisms, window regulators, convertible top mechanism (if applicable, though SLC is a coupe), chassis lubrication, rust prevention HVAC: Heating and air conditioning system service, refrigerant, blower motor, controls Procedures Included Maintenance: Scheduled maintenance, fluid changes (oil, coolant, brake fluid, transmission fluid), filter replacements, lubrication points Repair: Complete engine rebuild, transmission overhaul, brake system repair, suspension component replacement, electrical component repair, bodywork repair Troubleshooting: System-by-system diagnosis, common faults and their solutions, symptom-based troubleshooting guides Diagnostics: Engine performance testing, electrical system testing, fuel system diagnostics Special Tools: Identification and usage of specific Mercedes-Benz special tools required for certain procedures Technical Depth Depth: Comprehensive (Factory Level) Detail Level: Detailed step-by-step instructions, torque specifications, clearances, adjustments, schematics Visual Aids: Includes numerous pictures, diagrams, and exploded views 📊 Manual Specifications File Format Format: Adobe PDF Searchability: Likely searchable text-based PDF Print Quality Printable: Yes, all pages are printable Image Quality: High (typical for factory documentation scanned and digitized) Binding Type Binding: Digital Download (No physical binding) Paper Type Paper Type: N/A (Digital Format) Compatibility Operating Systems: Windows and macOS compatible Software Requirements: Adobe Acrobat Reader or compatible PDF viewer ⚙️ Engine Specifications Primary Engine Engine Type: V8, SOHC Displacement: 4.5 Liters (4520 cc) Bore X Stroke: 92.0 mm x 84.4 mm Compression Ratio: 8.0:1 or 8.0:1 (depending on year and market) Fuel Delivery: Bosch K-Jetronic Continuous Fuel Injection (CIS) Performance Horsepower Approx: 190-225 hp (SAE gross, depending on market and emissions controls) Torque Approx: 240-275 lb-ft (SAE gross, depending on market and emissions controls) Fuel System Fuel Type: Unleaded Gasoline (premium) Fuel Pump Type: Electric 🔧 Transmission Standard Type: 3-speed Automatic (e.g., 3HP22) initially, later 4-speed Automatic (e.g., 4G-Tronic) Features: Hydraulic torque converter, planetary gear sets Optional Type: 4-speed Manual (rarely offered in many markets) Features: Dry single-plate clutch, synchromesh Fluid Specifications Automatic Fluid Type: Dexron II or equivalent automatic transmission fluid (ATF) Fluid Capacity Automatic Capacity: Approx. 8-10 liters (including torque converter, consult manual for exact fill procedure) 📐 Dimensions Exterior Length: Approx. 4725 mm (186 in) Width: Approx. 1720 mm (67.7 in) Height: Approx. 1320 mm (52 in) Wheelbase: Approx. 2710 mm (106.7 in) Weights Curb Weight: Approx. 1650-1750 kg (3638-3858 lbs) Gross Vehicle Weight Rating: Consult vehicle placard (typically around 2100-2200 kg) 🛡️ Safety Features Ratings Crash Test Results: No standardized crash test data from modern agencies for this era. Design Safety: Built to rigorous Mercedes-Benz safety standards of the era, including crumple zones and safety cage construction. Active Features Brakes: Four-wheel disc brakes, power-assisted Steering: Recirculating ball power steering Passive Features Seat Belts: Three-point front seat belts Interior: padded dashboard, safety glass 💡 Technology Features Infotainment Radio: Factory AM/FM radio with cassette player often optional, various aftermarket units installed over time. Speakers: Typically 4-6 speaker setup, depending on trim. Driver Assistance Cruise Control: Standard or optional depending on market and trim; mechanical vacuum-operated system. ABS: Anti-lock Braking System (ABS) became available on later models, a significant technological advancement for its time. Connectivity Connectivity Features: N/A (No factory connectivity features as understood today) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000-15,000 km or 6-12 months (consult manual for specific interval based on usage) Major Service Interval: Variable, often around 50,000-80,000 km for significant checks and replacements (e.g., spark plugs, fuel filter, transmission service) Fluid Specifications...