🏷️ Basic Information Identification Make: Mercedes-Benz Model: E320 Year: 1999 Codes Chassis Code: W210 👋 Introduction Market Position Segment: Mid-size Luxury Sedan Target Audience: Owners and independent repair professionals seeking detailed, accurate repair information. Competitive Analysis Competitors At Time: BMW 5 Series (E39), Audi A6 (C5), Lexus GS, Infiniti Q45. Key Features Vehicle Selling Points: Renowned for build quality, comfortable ride, powerful yet efficient engine, advanced safety features for its era. Manual Selling Points Official Licensing: Officially licensed, ensuring accuracy and completeness matching dealership-level documentation. Digital Advantage: Instant access, searchable content, and portability compared to older print manuals. 📋 Manual Details Coverage Areas Engine Service: Complete service and repair procedures for the M112 V6 engine. Transmission Service: Detailed procedures for the 5G-TRONIC (722.6) automatic transmission. Electrical Systems: Comprehensive diagnosis and repair of all electrical components, including CAN bus systems. Body And Chassis: Repair and maintenance for body panels, suspension, steering, and braking systems. Page Count Estimated Page Count: Over 2500 pages (typical for comprehensive official software). Manual Type Manual Type: Official Factory Service Manual (FSM) Software Language Language: English Format Format: Software (likely a searchable PDF or proprietary application) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel, ignition, emissions, cooling, lubrication, exhaust, automatic transmission. Drivetrain: Driveshafts, differentials, axles. Suspension And Steering: Front and rear suspension, power steering system, wheel alignment. Brakes: Front and rear brakes (discs), ABS, ESP (if equipped), parking brake. Electrical: Battery, charging system, starter, lighting, instruments, HVAC controls, comfort systems, infotainment, SRS (airbags). Body And Interior: Body construction, doors, windows, seats, trim, climate control actuators. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, tune-ups. Diagnostics: Troubleshooting guides, fault code interpretation, diagnostic procedures for all major systems. Repair And Overhaul: Step-by-step repair instructions for engine components, transmission overhaul, brake caliper replacement, suspension arm replacement, etc. Replacement: Component replacement procedures (e.g., starter, alternator, water pump, fuel injectors, control modules). Adjustments: Adjustment procedures for brakes, parking brake, headlights, shift linkage. Technical Depth Depth Level: Comprehensive: Covers everything from basic fluid changes to complete engine and transmission rebuilds, including detailed electrical schematics and diagnostic flowcharts. Diagnostic Tools: Information relevant to using Mercedes-Benz diagnostic equipment (e.g., STAR Diagnosis) where applicable. 📊 Manual Specifications File Format File Type: Software (proprietary or searchable PDF archive) Searchability: Highly searchable text, allowing for quick access to specific procedures and components. Print Quality Print Output: Printable pages, facilitating on-the-go referencing. Binding Type Binding: N/A (Software/Digital Format) Paper Type Paper Quality: N/A (Software/Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: M112.941 Configuration: 3.2L SOHC 18-Valve V6 (Aluminum block and heads) Performance Horsepower: 221 hp @ 5,750 rpm Torque: 232 lb-ft @ 3,000 - 4,750 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (SEFI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Technical Features Variable Valve Timing: Dual-overhead camshafts with variable valve timing (VVT) on intake camshafts. 🔧 Transmission Standard Transmission Type: 5-speed Automatic (5G-TRONIC) Transmission Code: 722.6 Optional Optional Transmission: N/A (All US E320s of this year had the 5G-TRONIC) Features Transmission Modes: Comfort (C) and Sport (S) modes. Transmission Fluid Type: MB 236.10 / MB 236.12 (e.g., Mobil ATF 134, Pentosin ATF1) 📐 Dimensions Exterior Length: 190.9 inches Width: 70.2 inches Height: 56.5 inches Wheelbase: 111.5 inches Weights Curb Weight: Approximately 3,700 lbs Gross Vehicle Weight Rating: Approximately 4,650 lbs 🛡️ Safety Features Ratings NHTSA Front Impact: 4 Stars (Driver and Passenger) NHTSA Side Impact: 4 Stars (Front Occupant), 3 Stars (Rear Occupant) Active Features Traction Control: ASR (Anti-Slip Regulation) Stability Control: ESP (Electronic Stability Program) may be optional or standard depending on specific market configuration. Passive Features Airbags: Driver and front passenger airbags, side airbags (optional or standard depending on market/trim). Seatbelts: Pretensioning seat belts with force limiters. 💡 Technology Features Infotainment Audio System: Premium sound systems available, often with CD changer integration. COMAND system optional on later models. Driver Assistance Cruise Control: Standard cruise control. Parking Assistance: Optional rear parking sensors (PARKTRONIC). Connectivity Cellular Integration: Optional integrated telephone system (early cellular technology). 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 miles or 12 months, whichever comes first (using synthetic oil). Refer to manual for exact ASSYST service intervals. Transmission Service Interval: Recommended every 40,000 to 60,000 miles for fluid and filter change. Fluid Specifications Engine Oil Specification: MB 229.3 or MB 229.5 (e.g., Mobil 1 0W-40, Valvoline SynPower 5W-40). Engine Oil Capacity: 8.5 US quarts (8.0 Liters) with filter change. Coolant Type: Mercedes-Benz Approved Antifreeze/Coolant (e.g., G05/Zerex G05). Known Issues Common Wear Items: Mass Air Flow (MAF) sensor, ignition coils, serpentine belt, suspension bushings, blower motor resistor, O-rings in the intake manifold. Common Electrical Issues: Corrosion on the Electronic Control Unit (ECU) connectors (SAM unit), window regulator motors, headlight bulb failure. Common Transmission Issues: Leaking transmission cooler lines, potential conductor plate issues in...