🏷️ Basic Information

Make:

Mercedes-Benz

Model:

CLK Class

Chassis Code Coupe:

C209

Chassis Code Convertible:

A209

Model Year:

2005

Production Code:

C209/A209

👋 Introduction

Segment:

Entry-level Luxury Coupe/Convertible

Target Audience:

Discerning individuals seeking a blend of performance, comfort, and style

Key Competitors:

BMW 3 Series Coupe/Convertible, Audi A4 Cabriolet, Lexus SC Series

Design Philosophy:

Elegant styling, comfortable touring, driver-focused cockpit

Platform:

Shared platform with the C-Class sedan (W203)

📋 Manual Details

Manual Type:

Service Repair Workshop Manual

Language:

English

Format:

PDF Download

Accessibility:

Instant Download

Licensing:

No Expiry Dates

📖 Manual Coverage

Engine:

All Engine Variants for 2005 CLK Class (e.g., M271, M112, M272 depending on specific sub-model)

Transmission:

Automatic Transmission (e.g., 5G-TRONIC)

Drivetrain:

Rear-Wheel Drive (RWD)

Brakes:

Hydraulic Brake System, ABS, ESP

Suspension:

Front & Rear Suspension, Steering System

Electrical:

Complete Electrical System, Wiring Diagrams, ECUs, Sensors

Body And Frame:

Body Panels, Chassis, Doors, Windows, Convertible Top Mechanism (for A209)

Climate Control:

HVAC System, Air Conditioning

Safety Systems:

Airbags, Seatbelt Pretensioners, SRS System

Comfort Systems:

Power Seats, Power Windows, Central Locking

Maintenance:

Routine Maintenance, Service Schedules, Fluid Changes

Diagnostics:

Troubleshooting Guides, Fault Code Interpretation

Repair:

Component Removal, Installation, and Overhaul Procedures

Engine Repair:

Engine Assembly/Disassembly, Cylinder Head, Piston, Crankshaft, etc.

Transmission Repair:

Transmission Overhaul, Valve Body, Torque Converter

Brake System Repair:

Brake Pad/Rotor Replacement, Caliper Overhaul, Bleeding Procedures

Suspension Steering Repair:

Component Replacement (shocks, struts, ball joints), Alignment Procedures

Electrical System Diagnostics:

Wiring Harness Repair, Sensor Testing, ECU Diagnostics

Body Repair:

Panel Replacement, Dent Repair, Convertible Top System Servicing

Ac System Service:

Refrigerant Charging, Component Replacement

Depth:

Comprehensive Factory Level

Detail Level:

Step-by-step repair procedures with diagrams and torque specifications

Diagnostic Tools:

Information on required diagnostic tools and procedures (e.g., STAR diagnosis)

Troubleshooting Charts:

Extensive troubleshooting flowcharts for various systems

Wiring Diagrams:

Detailed electrical wiring schematics for all systems

📊 Manual Specifications

Format Type:

PDF

Searchable:

Yes (Text-searchable)

Printability:

Printable

Image Resolution:

High Resolution (suitable for screen viewing and printing)

Binding:

N/A (Digital Download)

Paper Quality:

N/A (Digital Download)

Completeness:

Complete Factory Service Manual

⚙️ Engine Specifications

Engine Codes Common:

M271 (1.8L Supercharged I4), M112 (3.2L V6), M272 (3.5L V6)

Displacement M271:

1796 cc

Horsepower M271:

163 hp @ 5500 rpm (CLK200 Kompressor)

Torque M271:

240 Nm @ 3000-4000 rpm (CLK200 Kompressor)

Displacement M112:

3199 cc

Horsepower M112:

215 hp @ 5700 rpm (CLK320)

Torque M112:

310 Nm @ 3000-4800 rpm (CLK320)

Displacement M272:

3498 cc

Horsepower M272:

272 hp @ 6000 rpm (CLK350)

Torque M272:

350 Nm @ 2400-5000 rpm (CLK350)

Fuel Type:

Premium Unleaded Gasoline (91+ Octane)

Injection System:

Multi-point Fuel Injection (MPI) / Direct Injection (later models/variants)

Ignition:

Electronic Ignition, Coil-on-Plug

Cooling System:

Pressurized Liquid Cooling System

🔧 Transmission

Transmission Type:

5-Speed Automatic (5G-TRONIC) with Touchshift

Optional Transmission:

7-Speed Automatic (7G-TRONIC) available on some variants

Transmission Features:

Manual shifting mode (Touchshift), Adaptive Transmission Control

Transmission Fluid Type:

MB 236.10 / MB 236.12 (Refer to manual for exact specification based on transmission)

📐 Dimensions

Length Coupe:

approx. 4662 mm (183.5 in)

Width Coupe:

approx. 1741 mm (68.5 in)

Height Coupe:

approx. 1391 mm (54.8 in)

Length Convertible:

approx. 4662 mm (183.5 in)

Width Convertible:

approx. 1741 mm (68.5 in)

Height Convertible:

approx. 1387 mm (54.6 in)

Wheelbase:

approx. 2715 mm (106.9 in)

Trunk Volume Coupe:

approx. 445 liters (15.7 cu ft)

Trunk Volume Convertible:

approx. 300-390 liters (10.6-13.8 cu ft) with top up/down

Curb Weight:

Varies by model, approx. 1500-1650 kg (3300-3640 lbs)

Wheelbase:

approx. 2715 mm (106.9 in)

Wheel Bolt Pattern:

5x112

Tire Sizes:

Commonly 205/55 R16, 225/45 R17, 225/40 R18 (Front), 245/40 R18 (Rear) depending on trim/options

🛡️ Safety Features

NHTSA Rating:

Generally performed well in crash tests, specific 2005 ratings may vary by test agency.

IIHS Rating:

Top Safety Pick or Good ratings in frontal and side impact tests for similar models of the era.

Active Safety:

ABS (Anti-lock Braking System), ESP (Electronic Stability Program), Traction Control

Passive Safety:

Front Airbags, Side Airbags, Window Airbags, Seatbelt Pretensioners, Roll Bars (for convertible)

Convertible Safety:

Pop-up Roll Bars behind headrests

💡 Technology Features

Infotainment System:

COMAND (Cockpit Management and Navigation) System (optional), Radio/CD Player

Navigation:

GPS Navigation (optional)

Audio System:

Bose premium sound system (optional)

Cruise Control:

Standard Cruise Control, optional DISTRONIC (Adaptive Cruise Control) on some models.

Parking Assist:

PARKTRONIC parking sensors (optional)

Connectivity Features:

Integrated Phone (optional), CD Changer (optional)

🔧 Maintenance

Service A:

Typically around 10,000-15,000 miles or 12 months (depending on driving conditions and model year specifics)

Service B:

Typically around 20,000-30,000 miles or 24 months (following Service A, with more comprehensive checks)

Major Service Items:

Spark plug replacement (typically every 60,000-100,000 miles), transmission fluid change, coolant flush, brake fluid change.

Engine Oil Type:

MB 229.5 (e.g., Mobil 1 0W-40, Castrol Syntec 0W-30/5W-30 - consult manual for exact spec)

Engine Oil Capacity:

Varies by engine, typically 6.5-8.0 liters (6.9-8.5 US quarts)

Coolant Type:

MB 325.0 / MB 326.0 (Ethylene Glycol based, typically blue or green)

Brake Fluid Type:

DOT 4

Common Issues M271:

Timing chain stretching/tensioner wear, oil leaks from valve cover gasket, potential supercharger belt issues.

Common Issues M112 M272:

Balance shaft wear in M272 (less common on 2005 M272 but possible), vacuum leaks, intake manifold issues, rear main seal leaks.

Common Issues Transmission:

Leaking transmission cooler lines, potential valve body issues requiring rebuild.

Common Issues Electrical:

Window regulator failures, HVAC blower motor resistor failure, ABS/ESP sensor issues.

Common Issues Convertible:

Hydraulic leaks in the convertible top mechanism, seal degradation.

📚 Vehicle History

Manufacturer:

Mercedes-Benz (Germany)

Reputation:

Known for engineering excellence, luxury, safety, and durability.

Generation:

Second Generation CLK Class (C209/A209)

Introduction Year:

2002 (for C209), 2003 (for A209)

Facelift Year:

2005 (model year update)

Production Years:

2002-2009

Manufacturing Locations:

Germany

🏆 Awards & Recognition

Award Type:

Vehicle Design, Luxury, Safety

Award Examples:

Often praised by automotive publications for its styling, comfort, and engineering. Specific annual awards may be difficult to pinpoint but generally held a strong reputation in its class.

Reliability Ratings:

Variable depending on specific model year and engine; generally considered well-built but requires diligent maintenance to mitigate potential issues. (Refer to consumer reports or owner surveys for specific data.)

Certification:

Compliant with all relevant European and North American safety and emissions standards for the model year.