🏷️ Basic Information Identification Make: Mercedes-Benz Model: S320 Year: 1998 Codes Chassis Code: W220 👋 Introduction Market Position Vehicle Segment: Full-size luxury sedan. Target Audience: Owners of 1998 Mercedes-Benz S320 seeking to perform their own maintenance and repairs or understand the vehicle's technical systems. Competitive Analysis Competitors: BMW 7 Series (E38), Audi A8 (D2), Lexus LS400 (XF20). Key Features Manual Advantage: Officially licensed, providing accurate and manufacturer-specific repair procedures and specifications, crucial for complex luxury vehicles. Software Benefit: Instant download and access, searchable text, and digital format for ease of use in a workshop environment. 📋 Manual Details Coverage Areas Manual Type: Service and Repair Manual Software Language: English Format: Digital Software (likely PDF or proprietary format) 📖 Manual Coverage Systems Covered Engine: Complete diagnosis, repair, and maintenance for the M112 E32 V6 engine. Transmission: Repair, overhaul, and diagnosis of the 722.6 '5G-TRONIC' automatic transmission. Brakes: Front and rear brake system diagnosis, repair, ABS/BAS operation, and fluid services. Suspension: Front and rear independent suspension, shock absorbers, springs, control arms, and alignment procedures. Steering: Power steering system diagnosis, pump, rack, and linkage repair. Electrical: Comprehensive wiring diagrams, component testing, diagnosis of lighting, power accessories, and body control modules. Climate Control: Diagnosis and repair of HVAC system, A/C compressor, refrigerant, climate control unit, and blower motor. Bodywork: Exterior panel alignment, door mechanisms, latches, seals, and interior trim removal/installation. Body Electronics: Power windows, seats, mirrors, sunroof, central locking, and keyless entry system diagnosis. Safety Systems: SRS airbag system diagnosis and component replacement procedures. Procedures Included Maintenance: Scheduled maintenance tasks, fluid changes, filter replacements, and inspection points. Troubleshooting: Diagnostic flowcharts and symptom-based troubleshooting for common and complex issues. Repair: Detailed step-by-step instructions for component removal, repair, and reinstallation. Diagnostics: Procedures for using diagnostic tools (e.g., STAR DIAGNOSIS) and interpreting fault codes. Calibration: Procedures for recalibrating electronic systems after component replacement (e.g., throttle body, steering angle sensor). Technical Depth Depth Level: Comprehensive, from basic maintenance to advanced engine and transmission overhauls, including electrical system diagnostics. 📊 Manual Specifications File Format Format Details: Digital software, likely viewable with standard PDF readers or proprietary viewing software. Expect searchable text and high-resolution diagrams. Print Quality Quality Description: High-quality digital reproduction of official factory service information, including detailed illustrations and schematics. Binding Type Binding Description: Not applicable for software format. If a printable version is implied, it would typically be digital files. Paper Type Paper Description: Not applicable for software format. Digital files provide instant access. ⚙️ Engine Specifications Primary Engine Engine Code: M112 E32 Engine Type: 3.2L (3199 cc) SOHC V6 Bore X Stroke: 89.9 mm x 84.0 mm Compression Ratio: 10.0:1 Performance Horsepower: 221 hp @ 6000 rpm Torque: 232 lb-ft (315 Nm) @ 3750 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (SEFI) Fuel Type: Unleaded Gasoline (Premium Octane Recommended) Engine Management ECM: ME 2.0 Engine Control Module 🔧 Transmission Standard Transmission Type: 5-speed Automatic (722.6 '5G-TRONIC') Gear Ratios: Refer to manual for specific ratios (typically around 3.60 first gear). Features Transmission Features: Electronic control, torque converter lock-up, driver-selectable modes (Comfort/Sport). Fluid Specifications Transmission Fluid Type: MB 236.10 Automatic Transmission Fluid (ATF) Fluid Capacity Transmission Fluid Capacity: Approximately 8.0 - 9.0 liters for a complete refill (refer to manual for exact quantity). 📐 Dimensions Exterior Length: 199.9 inches (5077 mm) Width: 73.7 inches (1872 mm) Height: 57.6 inches (1463 mm) Wheelbase: 119.3 inches (3030 mm) Weights Curb Weight: Approximately 4050 - 4200 lbs (1837 - 1905 kg), varies by equipment. Gross Vehicle Weight Rating: Refer to vehicle placard, typically around 5500 lbs (2500 kg). 🛡️ Safety Features Ratings NHTSA Front Impact: 4-star driver, 4-star passenger (as per NHTSA ratings for similar period vehicles, specific 1998 data may vary). Active Features ABS: Anti-lock Braking System (ABS) standard. Bas: Brake Assist System (BAS) standard. Esp: Optional Electronic Stability Program (ESP) may have been available or integrated into ABS/ASR systems. Passive Features Airbags: Driver and front passenger airbags, side airbags (optional or standard depending on market/trim). Seatbelts: Three-point inertia-reel seatbelts with pretensioners. Rollover Protection: Reinforced body structure and A-pillars. 💡 Technology Features Infotainment Audio System: Factory radio/cassette/CD player with amplifier and speaker system. Navigation: Optional COMAND (Cockpit Management and Navigation Device) system available. Driver Assistance Cruise Control: Standard cruise control system. Parking Assist: Optional front and rear parking sensors (Parktronic). Connectivity Telephony: Optional integrated car phone system. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 miles or 12 months, whichever comes first, using synthetic oil. Major Service Interval: Refer to manual for 'B' service, often around 30,000 miles or 24 months, including spark plugs, filters, and fluid checks. Fluid Specifications Engine Oil Type: MB 229.1 or MB 229.3 (SAE 0W-40 or 5W-40 synthetic recommended). Coolant Type: MB 325.0 (Ethylene Glycol based coolant, typically blue). Brake Fluid Type: DOT 4 (MB recommends DOT 4 PLUS or similar...