🏷️ Basic Information

Make:

Mercedes-Benz

Model:

C-Class

Model Code:

W204

Year:

2010

Platform Code:

W204

Chassis Code:

W204

👋 Introduction

Market Segment:

Compact executive car (premium segment).

Key Competitors:

BMW 3 Series, Audi A4, Lexus IS, Infiniti G37.

Vehicle Attributes:

Sophisticated design, advanced safety features, comfortable ride, strong build quality, and premium interior appointments.

Value:

Provides factory-level diagnostic and repair information, enabling owners and independent shops to perform complex tasks accurately and efficiently.

Source:

Exact same manual used by dealership technicians.

📋 Manual Details

Coverage:

All models and all repairs A-Z

Estimated Page Count:

1500+

Type:

Service and Repair Manual

Type Detail:

Factory-authorized service manual detailing repair and maintenance procedures.

Language:

English

Format:

Digital (likely PDF)

📖 Manual Coverage

Engine:

Detailed diagnosis, repair, and overhaul procedures for all gasoline and diesel engines.

Transmission:

Covers automatic and manual transmissions, including clutch, torque converter, and gearbox overhaul.

Brakes:

Hydraulic system, ABS, ESP, brake pads, rotors, calipers, parking brake, and bleeding procedures.

Electrical:

Comprehensive wiring diagrams, fuse box layouts, component testing, lighting, ignition, starting, charging systems.

Suspension:

Front and rear suspension components, steering system, wheel alignment, and shock absorber replacement.

Bodywork:

Body panel removal and installation, doors, windows, sunroof, bumpers, and interior trim.

Climate Control:

HVAC system operation, diagnosis, refrigerant handling, compressor, evaporator, and heater core.

Fuel System:

Fuel pump, injectors, pressure regulator, fuel filter, and evaporative emission control (EVAP) system.

Exhaust System:

Catalytic converter, mufflers, oxygen sensors, and exhaust manifold.

Cooling System:

Radiator, water pump, thermostat, coolant hoses, and fan assembly.

Safety Systems:

Airbag system (SRS), seatbelt pre-tensioners, and related sensors and control modules.

Diagnostics:

On-Board Diagnostics (OBD-II) system, fault codes (DTCs), and diagnostic procedures.

Instrumentation And Controls:

Dashboard layout, switchgear functionality, instrument cluster operation, and warning lights.

Wheels And Tires:

Tire pressure monitoring system (TPMS), wheel bearing replacement, and tire/wheel specifications.

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, tire rotations.

Troubleshooting:

Diagnostic flowcharts and step-by-step troubleshooting guides for various symptoms.

Repair And Rebuild:

Detailed instructions for component removal, repair, overhaul, and reinstallation.

Specifications:

Torque specifications, clearances, timing procedures, and measurement guidelines.

Wiring Diagrams:

Complete and specific wiring schematics for all vehicle systems.

Special Tools:

Identification and usage of specialized tools required for specific repair procedures.

Diagnostic Tools:

Information on using Mercedes-Benz diagnostic tools like STAR Diagnosis (XENTRY/DAS) where applicable for advanced diagnostics.

Depth:

Comprehensive, from basic maintenance to complete engine and transmission rebuilds. Vehicle-specific diagnostic procedures.

📊 Manual Specifications

Digital Format:

Likely a high-resolution PDF with searchable text for efficient navigation.

Quality Description:

Designed for clarity, featuring detailed diagrams, schematics, and illustrations.

Binding:

N/A (Digital Format)

Paper Description:

N/A (Digital Format - designed for screen viewing or printing)

Technical Accuracy:

Guaranteed vehicle-specific accuracy, avoiding generic information.

Coverage Scope:

Extensive coverage for all mechanical, electrical, and body systems for the 2010 W204 C-Class.

⚙️ Engine Specifications

Engine Variants Covered:

Covers various gasoline and diesel engines for the W204 platform, including but not limited to: C200 (M271), C250 (M271), C300 (M272), C350 (M272), C220 CDI (OM646/OM651), C250 CDI (OM651), C320 CDI (OM642).

Power Output Range:

Typical horsepower range from approximately 150 hp to 270 hp depending on engine variant.

Torque Output Range:

Torque figures vary significantly by engine, with diesel variants offering higher torque for everyday drivability.

Engine Displacement Range:

From 1.8L (e.g., M271) to 3.5L (e.g., M272) for gasoline, and 2.1L (OM651) to 3.0L (OM642) for diesel.

Injection Type:

Gasoline engines utilize sophisticated multi-point fuel injection (MPI) or direct injection (CGI). Diesel engines feature common rail direct injection.

ECU Details:

Detailed information on Engine Control Units (ECUs), sensors (e.g., MAF, MAP, O2, knock), and actuators.

Timing Belt Chain:

Covers timing chain systems (common on M272/M276/OM651) and their maintenance/replacement procedures.

Emission Controls:

Details on catalytic converters, particulate filters (DPF for diesel), and emission control sensors.

🔧 Transmission

Automatic Transmission:

722.6 (5-speed automatic) and 722.9 (7-speed '7G-TRONIC' automatic) are common. Manual transmissions may also be present in base models.

Manual Transmission:

6-speed manual transmission availability varies by market and trim level.

Electronic Control:

Detailed coverage of electronic transmission control modules (ETC) and their diagnostic protocols.

Transmission Fluid:

Specifies correct ATF (e.g., MB 236.14 for 7G-TRONIC) and manual transmission fluid types, capacities, and change intervals.

Clutch Repair:

Procedures for clutch replacement, hydraulic system checks, and release bearing service (for manual transmissions).

📐 Dimensions

Wheelbase:

Approximately 2760 mm (108.7 in).

Overall Length:

Approximately 4591 mm (180.7 in).

Wheel Bolt Pattern:

5x112

Curb Weight:

Varies by model and engine, typically ranging from 1500 kg to 1700 kg (3300 lbs to 3750 lbs).

Trunk Volume:

Approximately 450 liters (15.9 cu ft) for sedan models.

🛡️ Safety Features

NHTSA Rating:

Typically earned 5-star ratings in frontal and side crash tests by NHTSA.

IIHS Rating:

Likely received 'Good' ratings in IIHS crashworthiness tests.

Esp Stability Control:

Standard Electronic Stability Program (ESP) with integrated traction control.

ABS Braking:

Standard Anti-lock Braking System (ABS) with Brake Assist (BAS).

Airbag Systems:

Multiple airbags including front, side, window airbags, and driver's knee airbag. Detailed SRS system diagnostics.

Seatbelts:

Pre-tensioning and force-limiting seatbelts.

💡 Technology Features

Comand System:

Covers the COMAND (Cockpit Management and Navigation Display) system, including navigation, audio, and Bluetooth connectivity.

Adas Features:

Details on available features like Intelligent Light System, Lane Keeping Assist, Blind Spot Assist, and Adaptive Cruise Control (Distronic Plus).

Bluetooth Integration:

Information on pairing and using Bluetooth for hands-free calling and audio streaming.

Headlight Types:

Covers halogen, bi-xenon, and LED lighting systems, including adaptive front lighting.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000 miles or 12 months, whichever comes first (depending on driving conditions and specific engine). Adherence to Mercedes-Benz Flexible Service System (FSS) is key.

Major Service:

Covers service B (e.g., at 20,000 miles or 24 months) which includes cabin filter, brake fluid, and more extensive checks.

Engine Oil:

Requires specific MB-Approval engine oils, such as MB 229.5 or MB 229.51 (for low SAPS). Viscosity commonly 0W-40 or 5W-40.

Coolant:

MB-Approval 325.0 or 326.0 coolant (typically blue or green concentrate).

Brake Fluid:

DOT 4 Plus (MB-Approval 331.0).

Power Steering Fluid:

Specific MB-Approval power steering fluid required.

Common Problems:

Some early W204 models (especially those with M272 engines) can experience balance shaft issues in the timing chain drive. Ignition coil failures, mass airflow sensor issues, and occasional water pump leaks are also reported.

Diesel Specific Issues:

Diesel Particulate Filter (DPF) regeneration issues, glow plug failures, and injector problems on OM651 engines can occur.

Oil Filter:

Part numbers vary by engine, e.g., A2711800109 for M271 engines.

📚 Vehicle History

Manufacturer:

Mercedes-Benz, a global leader in luxury and automotive engineering.

Generation:

W204 represents the third generation of the Mercedes-Benz C-Class, introduced in 2007.

Production Period:

The W204 generation was produced from 2007 to 2014. The 2010 model year is part of its mid-cycle refresh phase or just prior to it, depending on specific market introductions.

Model Year Changes:

While the major facelift occurred for the 2012 model year, the 2010 model year would have featured the established W204 design and technology.

🏆 Awards & Recognition

Safety Awards:

Consistently received high safety ratings from independent organizations like IIHS and Euro NCAP.

Reliability Perceptions:

While luxury vehicles can have higher maintenance costs, Mercedes-Benz C-Class models generally offer good reliability when properly maintained.