🏷️ Basic Information Identification Make: Mercedes-Benz Model: C-Class Model Code: W204 Year: 2012 Generation Generation Name: Third Generation (W204) Generation Years: 2007-2014 Codes Chassis Code: W204 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Wagon Brand Perception: Luxury, Performance, Safety, Engineering Excellence Competitive Analysis Key Competitors: BMW 3 Series, Audi A4, Lexus IS, Infiniti G37, Volvo S60 Key Features Design Philosophy: Agile handling, sophisticated styling, advanced technology integration. Manual Value Proposition: Provides comprehensive, dealer-level repair and maintenance information for the specific 2012 W204 C-Class, enabling accurate and efficient servicing. 📋 Manual Details Coverage Areas Coverage Scope: All Models & All Repairs A-Z Page Count Estimated Page Count: Over 1500 Manual Type Manual Type: Service and Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Systems: Engine Mechanical, Engine Electrical, Fuel System, Ignition System, Emissions Control, Cooling System, Lubrication System, Turbocharging (if applicable) Powertrain Systems: Automatic Transmission (7G-TRONIC PLUS), Manual Transmission (if applicable), Drivetrain (RWD/4MATIC) Chassis Systems: Suspension (Front & Rear), Steering System, Braking System (ABS, ESP), Wheels & Tires Body Electrical: Body Control Module (BCM), Lighting System (Exterior & Interior), Wipers & Washers, Power Accessories (Windows, Locks, Seats), Audio System, Navigation System, Climate Control System Safety Systems: Airbag System, Seatbelt System, Pre-Safe® System Diagnostics Troubleshooting: Diagnostic Trouble Codes (DTCs), Diagnostic Procedures, Wiring Diagrams, Component Location Charts, Troubleshooting Flowcharts Procedures Included Maintenance Procedures: Routine Service, Oil Changes, Filter Replacements, Fluid Checks and Replacements, Spark Plug Replacement, Belt Replacement Repair Procedures: Component Removal & Installation, Overhaul Procedures, Adjustments, Calibration Diagnostics Troubleshooting: Symptom-based diagnostics, fault code interpretation, electrical system troubleshooting Special Tools Equipment: Identification and usage of specialized Mercedes-Benz tools required for specific repairs Technical Depth Depth Of Coverage: Dealer-level technical expertise, including detailed repair procedures, specifications, and diagnostic information. 📊 Manual Specifications File Format File Type: Searchable PDF Print Quality: High-resolution, suitable for printing individual sections or the entire manual. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Options 2012: C250 (1.8L Turbo I4 - M271 DE18 AL), C300 (3.0L V6 - M272 DE30 LA), C350 (3.5L V6 - M272 DE35 LA), C350 (3.5L V6 - M276 DE35 LA - later models), C63 AMG (6.2L V8 - M156 V8) Performance C250 Horsepower: 201 hp @ 5500 rpm C250 Torque: 229 lb-ft @ 2000-4300 rpm C300 Horsepower: 228 hp @ 6000 rpm C300 Torque: 221 lb-ft @ 2700-5000 rpm C350 Horsepower: 268 hp @ 6000 rpm (M272) / 302 hp @ 6500 rpm (M276) C350 Torque: 258 lb-ft @ 2400-5000 rpm (M272) / 273 lb-ft @ 3500-5250 rpm (M276) C63 Amg Horsepower: 451 hp @ 6800 rpm C63 Amg Torque: 443 lb-ft @ 5000 rpm Fuel System Injection Type: Direct Injection (M271, M276) / Multi-Point Fuel Injection (M272, M156) Fuel Type: Premium Unleaded Gasoline (91 RON or higher recommended) Maintenance Spark Plug Type C300: NGK LFR6AIX-11S (Laser Iridium) Oil Filter Part Number C300: Mann-Filter HU 711/1x or equivalent Engine Oil Specification C300: MB 229.5 / API SN / SAE 0W-40 or 5W-40 🔧 Transmission Standard Standard Transmission: 7-Speed Automatic (7G-TRONIC PLUS) Optional Optional Transmission: 6-Speed Manual (Limited availability on certain models/markets) Features Automatic Transmission Modes: Comfort (C), Sport (S), Manual (M) modes Transmission Fluid Spec: MB 236.14 (for 7G-TRONIC PLUS) Maintenance Transmission Fluid Capacity 7G Tronic: Approx. 7.5 - 8.5 liters (dry fill) Transmission Filter Kit Part Number: A 203 277 00 95 (example for 722.9) 📐 Dimensions Exterior Wheelbase: 108.7 inches (2760 mm) Length: 180.9 inches (4596 mm) Width: 69.7 inches (1770 mm) Height: 56.4 inches (1433 mm) Weights Curb Weight C300 Rwd: Approx. 3505 lbs (1590 kg) Wheel Bolt Pattern: 5 x 112 mm Center Bore: 66.6 mm 🛡️ Safety Features Ratings NHTSA Front Crash Test: 5-Star IIHS Top Safety Pick: Yes Active Features Electronic Stability Program: Standard (ESP - Electronic Stability Program) Antilock Braking System: Standard (ABS - Anti-lock Braking System) Traction Control: Standard (ASR - Acceleration Slip Regulation) Passive Features Airbag System: Multi-stage front airbags, front side airbags, side curtain airbags, front pelvic airbags. Seatbelt Pretensioners: Standard on front seats Driver Assistance Options Blind Spot Monitoring: Optional Lane Keeping Assist: Optional Adaptive Cruise Control: Optional (DISTRONIC PLUS) 💡 Technology Features Infotainment Infotainment System: COMAND (Cockpit Management and Navigation) Display Size: 7-inch color display Connectivity Options: Bluetooth, USB, AUX input, optional Media Interface Driver Assistance Parking Assistance: Optional Parktronic with Parking Guidance Lighting Technology: Bi-Xenon Headlamps with LED Daytime Running Lights (standard on many trims) Connectivity Telematics: Optional Mercedes-Benz Emergency Call System (eCall) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 miles or 1 year, whichever comes first (depending on driving conditions and oil specification used - refer to manual for precise intervals). Major Service A Schedule: Approx. 10,000 miles or 1 year (Engine oil and filter change, tire rotation, inspection of...