🏷️ Basic Information Identification Make: Mercedes-Benz Model: S600 Year: 1997 Codes Chassis Code: W140 Engine Code Primary: M120 👋 Introduction Market Position Positioning: The 1997 Mercedes-Benz S600 (W140) represented the pinnacle of luxury and engineering from Mercedes-Benz in its era, competing with ultra-luxury sedans from brands like BMW (7 Series) and Rolls-Royce. This manual targets owners and independent specialists who require factory-level accuracy for maintenance and repair. Competitive Analysis Competition: This manual provides a crucial advantage for owners of the W140 S-Class, particularly the V12 S600, over generic repair manuals. It offers the precise, often complex, procedures and specifications developed by Mercedes-Benz engineers, essential for maintaining the sophisticated systems of this flagship vehicle. Key Features Features: Official factory licensing ensures accuracy and completeness. Digital format allows for easy searching, cross-referencing, and access to detailed diagrams and schematics. Covers the most complex aspects of the S600's V12 engine and advanced systems. 📋 Manual Details Coverage Areas Systems Covered: Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Body, Interior, Diagnostic Procedures Page Count Estimated Pages: Over 1500 pages (typical for comprehensive Mercedes-Benz service manuals of this era) Manual Type Type: Official Factory Service Manual / Repair Manual Software Language Language: English Format Format: Software (likely CD-ROM or digital download, searchable database) 📖 Manual Coverage Systems Covered Engine Mechanical: V12 engine assembly, cylinder head, valve train, crankshaft, pistons, connecting rods, timing system, lubrication, cooling system Engine Management: Fuel injection (Bosch KE-Jetronic/Motional Electronic), ignition system (HDC), emissions control, engine control unit (ECU) diagnostics Transmission: 4-speed Automatic Transmission (722.6 - 5G-TRONIC for later W140 models, but '97 likely still had 722.5 or earlier variant), torque converter, shift control, transmission fluid, diagnosis Drivetrain: Rear-wheel drive, driveshaft, differential, axle shafts, wheel bearings Suspension: Front independent suspension (double wishbone), rear multi-link independent suspension, springs, shock absorbers, control arms, bushings, hydraulic self-leveling suspension (optional/standard on S600) Steering: Hydraulic power steering system, steering gear, steering column, alignment specifications Brakes: Hydraulic disc brakes (front and rear), ABS (Anti-lock Braking System), brake fluid specifications, rotor/pad replacement, caliper overhaul, parking brake Electrical: 12V electrical system, battery, alternator, starter, lighting (headlights, taillights, interior), fuses, relays, wiring diagrams for all circuits, body control module (BCM) functions HVAC: Automatic climate control system, A/C compressor, refrigerant, heater core, blower motor, climate control module, diagnostic procedures Body And Interior: Body panels, doors, hood, trunk, glass, upholstery, interior trim, seat mechanisms, SRS (Supplemental Restraint System) - airbags Diagnostics: On-Board Diagnostics (OBD-I/OBD-II), diagnostic trouble codes (DTCs), troubleshooting flowcharts, diagnostic tool usage (e.g., SDS - Star Diagnosis System) Procedures Included Maintenance: Scheduled maintenance intervals, fluid level checks and changes (engine oil, coolant, transmission fluid, brake fluid, power steering fluid), filter replacements (oil, air, fuel, cabin), spark plug replacement Repair: Engine tune-up, component replacement (e.g., water pump, alternator, starter, fuel injectors), transmission service and repair, brake system overhaul, suspension component replacement, electrical component troubleshooting and replacement, HVAC system repair Troubleshooting: System-specific troubleshooting guides, symptom-based diagnostics, electrical fault finding using wiring diagrams Overhaul: Engine component rebuilding procedures (e.g., cylinder head gasket replacement, piston ring replacement), transmission overhaul, brake caliper rebuilding Specifications: Torque specifications for all fasteners, diagnostic specifications, alignment data, fluid capacities, electrical resistance values Technical Depth Depth: Comprehensive factory-level detail, including disassembly/assembly procedures, diagnostic flowcharts, wiring diagrams, and specific tool requirements. 📊 Manual Specifications File Format File Type: Proprietary Mercedes-Benz diagnostic software format, potentially viewable with specific software or through a web-based interface. Print Quality Quality: Digital, allowing for high-resolution viewing and printing of individual pages. Binding Type Binding: Not Applicable (Software) Paper Type Paper: Not Applicable (Software) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated V12 Engine Code: M120.980 Displacement: 5987 cc (6.0 Liters) Bore X Stroke: 89.0 mm x 78.9 mm Compression Ratio: 10.0:1 Performance Horsepower: 389 hp @ 5200 rpm Torque: 420 lb-ft (568 Nm) @ 3800 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (Bosch KE-Jetronic/Motional Electronic variations common for this era, specific to M120) Fuel Type: Premium Unleaded Gasoline (91+ Octane) Engine Internals Valvetrain: Dual Overhead Camshafts (DOHC), 4 valves per cylinder Cylinder Head Design: Aluminum alloy, four valves per cylinder, dual spark plugs per cylinder Cooling System Cooling Type: Liquid-cooled, pressurized system Lubrication System Oil Capacity Quarts: Approximately 9.5 quarts (9.0 liters) with filter Recommended Oil Viscosity: SAE 5W-40 or 5W-30 (refer to manual for specific MB 229.x specifications) 🔧 Transmission Standard Transmission Type: 4-speed Automatic Transmission Transmission Model Code: Likely 722.5 or similar variant (pre-7G-TRONIC models) Optional Optional Transmission: N/A (All S600 models featured automatic transmission) Features Shift Modes: Comfort (C) and Sport (S) modes Transmission Fluid Type: Mercedes-Benz Specification 236.3 or 236.6 (check manual for exact OE spec, typically Dexron IIE or equivalent for this era) Transmission Fluid Capacity Capacity Quarts: Approximately 8 quarts (7.5 liters) for complete fill, less for drain and fill. 📐 Dimensions Exterior Length: Approx. 5120 mm (201.6...