🏷️ Basic Information Identification Make: Mercedes-Benz Model: E320 Year: 1997 Codes Chassis Code: W210 Engine Code: M104.995 (3.2L Inline-6) 👋 Introduction Market Position Segment: Mid-size Luxury Sedan Competitive Analysis Competitors: BMW 5 Series (E39), Audi A6 (C4/C5), Lexus GS300, Volvo S80 Key Features Unique Selling Points: Renowned Mercedes-Benz build quality, refined ride, powerful inline-6 engine, advanced safety features for its era 📋 Manual Details Coverage Areas Sections Covered: Engine, Drivetrain, Chassis, Body, Electrical, HVAC, Safety Systems Diagnostic Codes: Comprehensive listing of Diagnostic Trouble Codes (DTCs) with their corresponding symptoms and diagnostic steps. Page Count Estimated Pages: Approximately 1500+ Manual Type Type: Factory Authorized Service and Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel injection (KE-Jetronic/HPE), ignition, exhaust, transmission (5-speed Automatic - 722.6), differential, drive axles Chassis: Suspension (front & rear), steering, brakes (ABS, ESP - if equipped), wheels, tires Electrical: 12V system, battery, charging, lighting, instrumentation, starter, fuses, relays, wiring diagrams, diagnostic trouble codes (DTCs) Body And Comfort: Interior trim, exterior panels, doors, windows, sunroof, seats, HVAC system, climate control Procedures Included Maintenance: Oil changes, filter replacements, coolant service, spark plug replacement, belt inspection/replacement, brake fluid flush Repair: Engine overhaul, transmission service, brake caliper replacement, suspension component repair, electrical component diagnosis and replacement, body panel repair Diagnostics: Troubleshooting guides, fault finding, symptom-based diagnostics, specific component testing Recalibration Procedures: Procedures for recalibrating electronic modules after component replacement (e.g., throttle body, ABS sensors). Technical Depth Depth: Comprehensive, suitable for professional technicians and experienced DIY enthusiasts. Covers detailed diagnostic procedures, component specifications, and torque values. Wiring Diagrams: Detailed, color-coded wiring diagrams for all major electrical systems, including engine management, lighting, HVAC, and power accessories. 📊 Manual Specifications File Format Searchability: Searchable text for quick information retrieval Print Quality Image Resolution: High-resolution diagrams and images Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline-6 Cylinder Displacement: 3.2 Liters (3199 cc) Bore X Stroke: 89.9 mm x 84.0 mm Compression Ratio: 10.0:1 Performance Horsepower: 221 hp @ 5,500 rpm Torque: 229 lb-ft @ 3,750 rpm Fuel System Injection System: Bosch Motronic M2.8.3 or HPE (Hydraulically Actuated Electronic Fuel Injection) with Mass Airflow Sensor (MAF) Fuel Type: Unleaded Premium Gasoline (91 Octane or higher recommended) Engine Management Ignition System: Distributorless Electronic Ignition (EIS) with Coil-on-Plug (COP) or Distributor and Coil Cooling System Coolant Type: Mercedes-Benz approved Antifreeze/Coolant, blue (e.g., MB-Approval 325.0 or 326.0) Coolant Capacity: Approximately 8.5 Liters (8.9 US Quarts) Oil System Recommended Oil Viscosity: SAE 0W-30 or 5W-30 (synthetic) Oil Capacity: Approximately 8.0 Liters (8.5 US Quarts) with filter Oil Filter Part Number: e.g., Mann-Filter HU 822, Mahle OX 161, Bosch 72220 🔧 Transmission Standard Type: 5-Speed Automatic (722.6 'NAG' - New Automatic Gearbox) Optional Optional Transmissions: None (5-speed automatic was standard for E320 in 1997) Features Features: Electronic control, torque converter lock-up, multiple shift modes (Comfort/Sport) Fluid Specs Transmission Fluid Type: MB 236.8, MB 236.81, or equivalent (e.g., Mobil ATF 220, Pentosin ATF 9) Fluid Capacity Fluid Capacity: Approximately 8.0 Liters (8.5 US Quarts) for dry fill, ~4.5 Liters for torque converter drain/fill 📐 Dimensions Exterior Length: 190.6 inches (4841 mm) Width: 70.2 inches (1783 mm) Height: 56.1 inches (1425 mm) Wheelbase: 111.8 inches (2840 mm) Front Track: 60.7 inches (1542 mm) Rear Track: 59.8 inches (1519 mm) Weights Curb Weight: Approximately 3650 lbs (1655 kg) Gross Vehicle Weight Rating: Approximately 4630 lbs (2100 kg) Cargo Trunk Volume: 15.8 cubic feet (447 Liters) 🛡️ Safety Features Ratings NHTSA Front Impact: 4-Star Driver, 4-Star Passenger (1997) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional Acceleration Skid Control (ASR), later integrated into ESP Passive Features Airbags: Driver and front passenger airbags Seatbelts: Three-point inertia-reel seatbelts with front pre-tensioners Body Structure: High-strength steel safety cage, crumple zones 💡 Technology Features Infotainment Audio System: Optional Bose sound system, various Becker head units with cassette and CD capabilities. Navigation: Optional GPS navigation system (Becker MAP PILOT or similar). Driver Assistance Parking Assistance: Optional Parktronic parking sensors. Cruise Control: Standard electronically controlled cruise control. Connectivity Telecommunications: Optional integrated cellular telephone system (older analog/digital technology). 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 to 10,000 miles or 12 months, whichever comes first (with synthetic oil). Transmission Service Interval: Every 40,000 to 60,000 miles, depending on driving conditions. Fluid and filter replacement recommended. Coolant Flush Interval: Every 30,000 miles or 2 years. Brake Fluid Flush: Every 2 years. Fluid Specifications Power Steering Fluid: MB 236.3 or equivalent hydraulic fluid (e.g., Pentosin CHF 11S, Febi Bilstein 02576) Brake Fluid: DOT 3 or DOT 4 Known Issues Common Problems: Water ingress in SAM modules, headliner sagging, vacuum leaks (intake manifold, vacuum lines), transmission conductor plate issues (722.6), rust (especially around wheel wells and sills), front suspension...