🏷️ Basic Information Identification Make: Mercedes-Benz Model: 220S / 220A Codes Chassis Code: W180 Engine Code: M180 👋 Introduction Market Position Era: Mid-1950s to early 1960s premium sedan. Segment: Executive/Luxury Sedan. Competitive Analysis Competitors: Competed with other luxury marques of the era, offering refined engineering and build quality. Key Features Design Philosophy: Elegant styling, robust engineering, and a focus on passenger comfort and safety for its time. 📋 Manual Details Coverage Areas Scope: Complete workshop and service repair for Mercedes-Benz W180 220S and 220A models with M180 engine. Page Count Estimated Pages: Approximately 600+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Digital (likely PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine (M180), cooling system, fuel system, exhaust system, lubrication system. Drivetrain: Clutch, gearbox (manual and optional automatic), propeller shaft, rear axle assembly. Chassis: Front and rear suspension, steering system, braking system (including drums and wheel cylinders), wheels and tires. Electrical: Ignition system, starting system, charging system (generator), lighting system, instrumentation, wiring diagrams. Bodywork: Body repair procedures, door mechanisms, glass, trim, seals. Procedures Included Maintenance: Scheduled maintenance, lubrication points, filter replacement, spark plug service, valve adjustment. Troubleshooting: Diagnostic charts, fault finding for engine, electrical, and mechanical systems. Repair: Engine overhaul, transmission rebuild, brake system repair, suspension component replacement, electrical component repair. Special Tools: Identification and usage of specialized Mercedes-Benz tools required for specific repair procedures. Technical Depth Depth: Comprehensive, covering everything from basic adjustments to full engine and transmission rebuilds, including detailed torque specifications and clearances. 📊 Manual Specifications File Format Digital Format: Likely PDF, optimized for digital viewing and printing. Print Quality Quality: High-resolution scans of original documentation ensuring clarity of text and diagrams. Binding Type Binding: N/A (Digital) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, overhead camshaft (OHC) Engine Code: M180 Displacement: 2195 cc (2.2 Liters) Performance Bore X Stroke: 82 mm x 74.5 mm Compression Ratio: 7.5:1 or 8.0:1 (depending on variant) Horsepower: Approx. 80-100 HP (net) depending on specific tuning and model year. Torque: Approx. 140-160 Nm @ 2500 RPM (estimated) Fuel System Carburetion: Two Solex Zenith twin-choke downdraft carburetors (e.g., 32 NDIX). Fuel Type: Premium Leaded Gasoline Cooling System Cooling: Water-cooled, pressurized system with a fan and thermostat. Lubrication System Oil Capacity: Approx. 5.5 Liters (5.8 US Quarts) Oil Type: API SF/CD equivalent, viscosity typically SAE 20W-50 or 10W-30 depending on climate. 🔧 Transmission Standard Gearbox: 4-speed Manual Transmission Optional Gearbox: Optional 4-speed Hydrak Automatic Transmission (with torque converter). Features Clutch: Single dry plate, diaphragm spring clutch. Drive: Rear-wheel drive (RWD). 📐 Dimensions Exterior Wheelbase: Approx. 2815 mm (110.8 inches) Length: Approx. 4670 mm (183.9 inches) Width: Approx. 1730 mm (68.1 inches) Height: Approx. 1510 mm (59.4 inches) Weights Curb Weight: Approx. 1350 - 1450 kg (2976 - 3197 lbs) Gross Vehicle Weight: Approx. 1850 kg (4079 lbs) 🛡️ Safety Features Ratings Era Standards: Designed to meet the safety standards and expectations of its era; official crash ratings as we know them today were not prevalent. Active Features Brakes: Hydraulically operated drum brakes on all four wheels. Dual circuit braking system introduced later in production for improved safety. Steering: Recirculating ball steering system. Passive Features Body Structure: Robust monocoque construction with integrated safety cage for its time. Interior: Minimalist interior design with safety in mind for the era; padded dashboard and steering wheel components. 💡 Technology Features Infotainment Radio: Optional factory-installed AM radio, often with a distinctive period design. Speakers: Typically a single dashboard speaker. Driver Assistance Power Steering: No power steering was standard; it was a rare factory option. Climate Control: Basic ventilation system; air conditioning was not available. Connectivity Connectivity Features: N/A - Modern connectivity features were not part of the vehicle's design. 🔧 Maintenance Service Intervals Oil Change: Every 5,000 km (approx. 3,000 miles) or 6 months. Tune Up: Recommended annually or every 10,000 km (6,000 miles), including ignition timing, carburetor adjustment, and valve clearance check. Lubrication: Chassis lubrication points every 5,000 km (3,000 miles). Fluid Specifications Coolant: A mixture of distilled water and antifreeze (e.g., ethylene glycol based) in a 50/50 ratio for optimal freeze protection and corrosion inhibition. Brake Fluid: DOT 3 or DOT 4 glycol-based brake fluid. Transmission Fluid Manual: GL-4 SAE 90 gear oil. Transmission Fluid Automatic: Dexron III or equivalent ATF (Automatic Transmission Fluid) for Hydrak transmission. Known Issues Engine: Potential for oil leaks from gaskets and seals, carburetor adjustment sensitivity, timing chain wear over time. Suspension: Wear in kingpins, ball joints (if applicable to later models), and bushings leading to steering wander. Electrical: Aging wiring harnesses, generator output issues, contact breaker point wear, and corrosion in connectors. Body: Rust, particularly in sills, wheel arches, and floor pans, is a common concern due to age and materials. 📚 Vehicle History Brand Heritage Legacy: Mercedes-Benz has...