Mercedes C Class W204 2008-2011 Service Repair Workshop Manual

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🏷️ Basic Information Identification Make: Mercedes-Benz Model: C-Class Chassis Code: W204 Model Years Covered: 2008, 2009, 2010, 2011 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Wagon (C-segment). Positioning: Represents Mercedes-Benz's...

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Type: Car

Vendor:

Sku: 183632

Tags: 2008 2009 2010 2011 C Class Car Cars Mercedes Misc W204

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Description

🏷️ Basic Information

Identification

Make:

Mercedes-Benz

Model:

C-Class

Chassis Code:

Model Years Covered:

2008, 2009, 2010, 2011

👋 Introduction

Market Position

Segment:

Compact Executive Sedan/Coupe/Wagon (C-segment).

Positioning:

Represents Mercedes-Benz's entry-level luxury offering, competing with models like the BMW 3 Series and Audi A4.

Competitive Analysis

Key Competitors:

BMW 3 Series (E90), Audi A4 (B8), Lexus IS, Infiniti G35/G37.

Key Features

Design Philosophy:

Sporty yet elegant design, characteristic Mercedes-Benz build quality, advanced technology for its era.

Powertrain Options:

Range of efficient 4-cylinder and V6 gasoline engines, with AMG performance variants available.

Manual Utility

Value Proposition:

Provides essential factory-level information for maintenance, repair, and diagnosis, saving significant costs on dealership labor.

Target Audience:

Mercedes-Benz C-Class (W204) owners, independent repair shops, automotive technicians.

📋 Manual Details

Coverage Areas

Coverage Scope:

Comprehensive factory service, repair, and workshop procedures.

Page Count

Estimated Page Count:

Extensive (typically 2000+ pages for this model generation, actual count varies by publisher but implies full factory coverage).

Manual Type

Type:

Factory Service Manual / Workshop Manual

Language

Language:

English (standard for factory documentation and widespread dissemination).

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, disassembly, cylinder head, pistons, crankshaft, camshafts, timing components, lubrication system, cooling system, fuel system (mechanical aspects).

Engine Management:

Engine Control Module (ECM) diagnosis, sensor identification and testing, ignition system, fuel injection system (electronic), emission control systems, diagnostic trouble codes (DTCs).

Transmission Automatic:

Automatic transmission (e.g., 7G-TRONIC 722.9) overhaul, diagnosis, hydraulic system, torque converter, electronic control unit (TCU), shift solenoids, fluid specifications.

Transmission Manual:

Manual transmission (if applicable to specific engine variants) overhaul, diagnosis, clutch system, gear ratios, fluid specifications.

Drivetrain:

Driveshafts, CV joints, differential, axle shafts, transfer case (if applicable), wheel bearings.

Brakes:

Hydraulic brake system, ABS, ESP (Electronic Stability Program), SBC (Sensotronic Brake Control - less common on W204 but covered if applicable), brake calipers, rotors, pads, bleeding procedures, parking brake.

Suspension:

Front and rear suspension components, struts, shock absorbers, control arms, ball joints, tie rods, sway bars, bushings, alignment specifications.

Steering:

Power steering system (hydraulic or electric), steering rack, steering column, steering wheel, power steering fluid specifications.

Electrical System:

12V battery system, alternator, starter motor, wiring diagrams, fuse and relay identification, lighting systems (headlights, taillights, interior), horn.

Body Electrical:

Power windows, power locks, central locking, remote keyless entry, sunroof operation, interior lighting, seat adjustment systems.

Climate Control:

HVAC system diagnosis, air conditioning (A/C) system refrigerant recharge and service, heater core, blower motor, climate control panel, cabin air filter replacement.

Bodywork Interior:

Body panel removal and installation, interior trim panel removal, seat removal, dashboard removal, door panel removal, headliner replacement.

Bodywork Exterior:

Bumpers, fenders, hood, trunk lid, doors, quarter panels, door handles, mirrors, glass replacement (windshield, side glass), seals.

Safety Restraints:

Airbag system diagnosis, SRS (Supplemental Restraint System) components, seat belt service, airbag module replacement (cautionary procedures).

Infotainment Navigation:

COMAND (Cockpit Management and Navigation Display) system, radio, CD changer, navigation unit, speaker system, Bluetooth connectivity, instrument cluster.

Procedures Included

Scheduled Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, tire rotations, brake inspections, spark plug replacement, belt replacement, service indicator reset.

Troubleshooting:

Diagnostic flowcharts, common fault diagnosis, symptoms-based troubleshooting, electrical system diagnostics, engine performance issues.

Repair Rebuild:

Engine overhaul procedures, transmission rebuilds, brake caliper rebuilding, suspension component replacement, steering rack replacement.

Component Replacement:

Detailed instructions for replacing virtually all major and minor components across all systems.

Calibration Coding:

Procedures for recalibrating sensors, programming control modules, and coding new components (requires diagnostic tools).

Technical Depth

Depth:

Factory-level diagnostic and repair information, suitable for professional technicians and advanced DIY enthusiasts.

Detail Level:

Step-by-step instructions with torque specifications, special tool requirements, wiring diagrams, and component locations.

📊 Manual Specifications

File Format

File Type:

Searchability:

Searchable text content (standard for well-produced PDFs).

Print Quality

Resolution:

High resolution, suitable for printing individual pages or sections.

Binding Type

Binding:

N/A (Digital download - PDF)

Paper Type

Paper:

N/A (Digital download - PDF)

⚙️ Engine Specifications

Primary Engine

Engine Code Examples:

M271 (1.8L Supercharged I4), M272 (3.5L V6).

Performance

Horsepower Range:

Approximately 154 hp (C180 Kompressor) to 302 hp (C350).

Torque Range:

Approximately 184 lb-ft (C180 Kompressor) to 273 lb-ft (C350).

Fuel System

Injection Type:

Electronic Multi-Point Fuel Injection (MPI) or Direct Injection (DI) depending on engine.

Fuel Type:

Premium Unleaded Gasoline (RON 91+ recommended).

Cooling System

Coolant Type:

Mercedes-Benz approved coolant (e.g., G48 or equivalent).

Lubrication System

Oil Type Recommendation:

Mercedes-Benz Approved Engine Oils, typically SAE 0W-40 or 5W-40 meeting MB 229.5 specification (check specific engine variant).

🔧 Transmission

Standard

Transmission Type Standard:

7-Speed Automatic Transmission (7G-TRONIC, 722.9) on most models.

Optional

Transmission Type Optional:

6-Speed Manual Transmission (on select engine variants, particularly earlier models or European market).

Features

Transmission Features:

Driver-adaptive shifting programs (C-Comfort, S-Sport), manual mode with paddle shifters (optional).

Fluid Specifications

Automatic Transmission Fluid:

MB 236.14 Automatic Transmission Fluid (ATF) for 7G-TRONIC.

📐 Dimensions

Exterior

Wheelbase:

Approximately 108.7 inches (2760 mm).

Length:

Approximately 180.0 - 183.5 inches (4575 - 4662 mm) depending on body style.

Weights

Curb Weight:

Approximately 3300 - 3700 lbs (1500 - 1680 kg) depending on engine and equipment.

Gross Vehicle Weight (check specific model data).

🛡️ Safety Features

Ratings

NHTSA Rating:

Generally achieved 5-star ratings in front and side impact tests (check specific year and test data).

IIHS Rating:

Often received 'Good' ratings in IIHS crash tests (Top Safety Pick potential).

Active Features

Stability Control:

Standard ESP (Electronic Stability Program) with traction control.

Braking Features:

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

Driver Assistance Options:

Optional features included DISTRONIC cruise control, PARKTRONIC parking assist, Lane Keeping Assist, Blind Spot Assist.

Passive Features

Airbags:

Front airbags, side airbags, front and rear side curtain airbags, driver's knee airbag.

Seat Belts:

3-point inertia-reel seat belts with pretensioners and force limiters, active head restraints (NECK-PRO).

💡 Technology Features

Infotainment

Infotainment System:

COMAND NTG 4.0 or similar, offering CD/DVD playback, radio, optional navigation, Bluetooth audio and telephony.

Display:

Central dashboard display (7-inch or 8-inch).

Driver Assistance

Standard Assistance:

ABS, ESP, Traction Control.

Optional Assistance:

Adaptive Cruise Control (DISTRONIC), Parking Assistance (PARKTRONIC), Lane Departure Warning, Blind Spot Monitoring.

Connectivity

Connectivity Features:

Bluetooth hands-free calling and audio streaming, optional USB interface, auxiliary audio input.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 10,000 miles (16,000 km) or 12 months, whichever comes first (based on Mercedes-Benz flexible service schedule, often triggered by the Service A/B indicators).

Major Service Items:

Spark plugs (approx. 100,000 miles), transmission fluid and filter (approx. 60,000-80,000 miles, check specific variant), brake fluid flush (every 2 years).

Fluid Specifications

Brake Fluid Type:

DOT 4 Plus (MB 331.0).

Power Steering Fluid:

Pentosin CHF 11S or MB 343.0 hydraulic fluid (check specific model for electric power steering).

Coolant Capacity:

Approximately 7.5 - 8.5 liters (2.0 - 2.2 gallons) depending on engine.

Known Issues

Common Complaints W204:

Cylinder head bolt issue on certain M271 engines (requiring specific repair), oil cooler seals, differential leaks, occasional ABS/ESP sensor failures, aging plastic interior components, transmission conductor plate issues on 7G-TRONIC.

Manual Benefit For Issues:

Provides diagnostic procedures and repair instructions for addressing these common issues.

📚 Vehicle History

Brand Heritage

Manufacturer:

Daimler AG (Mercedes-Benz).

Legacy:

Mercedes-Benz has a long-standing reputation for engineering excellence, safety, and luxury.

Model Evolution

Generation:

Third generation of the C-Class compact executive model.

Facelift Timing:

W204 received a significant facelift for the 2012 model year, so this manual covers the pre-facelift models.

Production

Production Years:

2007-2014 (W204 chassis).

Manufacturing Locations:

Various plants globally, including Germany, USA, China, South Africa.

🏆 Awards & Recognition

Recognitions

Safety Awards:

Often recognized by safety organizations like IIHS and NHTSA for its strong safety performance.

Design Accolades:

Received positive reviews for its styling and premium interior appointments.

Ratings

Consumer Reports Ratings:

Consumer Reports ratings varied by year and specific model, often citing good performance but occasional reliability concerns in certain areas for its class.