🏷️ Basic Information Identification Make: Mercedes-Benz Model: C-Class Year: 2005 Product Name: 2005 Mercedes-Benz C-Class COMAND APS System Operators Manual Vehicle Generation: W203 (Second Generation) Codes Chassis Code: W203 Engine Codes Common: M271 (1.8L Supercharged), M272 (2.5L/3.0L V6) Transmission Codes Common: 722.6 (5G-TRONIC Automatic) 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Wagon Luxury Level: Entry-level luxury Competitive Analysis Key Competitors: BMW 3 Series (E46/E90), Audi A4 (B6/B7), Lexus IS, Infiniti G35 Key Features Design Philosophy: Mercedes-Benz's signature blend of comfort, safety, and understated luxury Infotainment Highlight: COMAND APS system offered advanced navigation and premium audio for its class at the time Powertrain Options: Range of efficient 4-cylinder and smooth V6 engines 📋 Manual Details Coverage Areas Primary Focus: COMAND APS Navigation and Audio System Secondary Focus: Basic operation of integrated audio, navigation, climate control interface via COMAND Page Count Estimated Pages: 150-250 Manual Type Type: Owner's Manual / Operator's Manual Language Language: English Format Format: Digital PDF 📖 Manual Coverage Systems Covered Infotainment System: COMAND APS (Cockpit Management and Navigation EXpert) Navigation: GPS Navigation system operation, map display, destination entry, route planning Audio System: Radio (AM/FM), CD player (single/changer), media playback Climate Control Interface: Basic interaction with HVAC system controls via COMAND display Telematics Phone: Bluetooth phone integration (if equipped), call management Vehicle Settings: Customization of certain vehicle features through COMAND menus (e.g., lighting, door locks) Procedures Included Operation: Step-by-step instructions for using all COMAND system functions Setup Configuration: Initial setup and personalization of the COMAND system Troubleshooting Common: Basic troubleshooting tips for common system errors or non-responsive functions Maintenance Notes: Information on software updates, map updates, and care of the display screen Technical Depth Depth: Operator-level understanding of system functions and features Diagnostics Scope: No in-depth diagnostic procedures or wiring diagrams for the COMAND system itself Repair Scope: Does not cover physical repair or replacement of COMAND components 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text (OCR processed) Print Quality Quality: High-resolution digital reproduction of factory original Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Family: M271 (Inline-4) Displacement M271: 1.8 L (1796 cc) Aspiration M271: Supercharged Horsepower M271: 163 hp @ 5500 rpm (C230 Kompressor) Torque M271: 200 lb-ft @ 3200-4000 rpm (C230 Kompressor) Secondary Engine Engine Family V6: M272 (V6) Displacement V6 2.5L: 2.5 L (2496 cc) - C230 V6 (later models) Displacement V6 3.0L: 3.0 L (2997 cc) - C280, C300 Horsepower V6: 201 hp - 228 hp (depending on variant) Torque V6: 180 lb-ft - 221 lb-ft (depending on variant) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Recommended Fuel: Premium Unleaded Gasoline (91 octane or higher) 🔧 Transmission Standard Transmission Type Standard: 5-Speed Automatic (5G-TRONIC, 722.6) Optional Transmission Type Optional: 6-Speed Manual (available on some variants like C230 Kompressor) Features Automatic Features: TouchShift (driver-selectable manual shifting), Comfort/Sport modes Fluid Specifications Automatic Transmission Fluid: MB Spec 236.12 (e.g., Pentosin ATF1, Mobil ATF 134) 📐 Dimensions Exterior Wheelbase: Approx. 106.7 inches (2710 mm) Length: Approx. 177.7 inches (4514 mm) Width: Approx. 69.4 inches (1763 mm) Height: Approx. 55.5 inches (1410 mm) Weights Curb Weight: Approx. 3300 - 3500 lbs (1497 - 1588 kg), varies by model Gross Vehicle Weight Rating: Varies by model, typically around 4500-4700 lbs 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (Driver), 5-Star (Passenger) IIHS Side Impact: Good (for models tested) Active Features Traction Control: ASR (Acceleration Slip Regulation) Electronic Stability: ESP (Electronic Stability Program) Braking System: ABS (Anti-lock Braking System), BAS (Brake Assist System) Passive Features Airbags: Front airbags, front side airbags, front and rear side curtain airbags (optional/standard depending on trim) Seatbelts: 3-point seatbelts with pretensioners and force limiters Head Restraints: Active NECK-PRO head restraints (optional on some models) 💡 Technology Features Infotainment System Name: COMAND APS (Cockpit Management and Navigation EXpert) Display Type: High-resolution color LCD display (typically 5-7 inch) Input Method: Rotary controller with push function, physical buttons Audio Sources: AM/FM Radio, CD Player (MP3 compatible), CD Changer (optional), Cassette Player (early models) Navigation Media: DVD-ROM based navigation maps Driver Assistance Cruise Control: Standard cruise control with speed limiter (TEMPOMAT) Parking Assistance: PARKTRONIC parking sensors (front and rear, optional) Connectivity Bluetooth: Optional Bluetooth hands-free system (often requires a cradle) Aux Input: Auxiliary audio input jack (often optional or part of media package) 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 miles or 1 year, whichever comes first (flexible service system) Major Service Interval: Variable (e.g., spark plugs at 60,000-100,000 miles depending on engine; transmission fluid flush typically around 60,000 miles) Fluid Specifications Engine Oil Spec: MB Spec 229.5 (e.g., Mobil 1 0W-40, Castrol Syntec 0W-30) Coolant Spec: MB Spec 325.0 (Antifreeze/Coolant) Brake Fluid Spec: DOT 4 Plus (MB Spec 331.0) Known Issues M271 Engine Timing: Potential timing chain tensioner and guide wear, leading to...