🏷️ Basic Information

Make:

Mercedes-Benz

Model:

CLK320

Model Code:

C209

Year:

2002

Engine Code:

M112.955

Chassis Code:

C209

👋 Introduction

Positioning:

The 2002 CLK320 (C209) was positioned as a stylish and luxurious entry-level coupe/cabriolet within Mercedes-Benz's lineup, offering a balance of performance, comfort, and premium features.

Competitors:

Competed against models like the BMW 3 Series Coupe, Audi A4 Cabriolet, Lexus SC, and Infiniti G35 Coupe of the era.

Highlights:

Elegant styling, comfortable interior, smooth V6 engine, advanced safety features, refined ride quality. The C209 generation introduced a more modern design language compared to its predecessor (W208).

Utility:

This officially licensed software manual is invaluable for owners and independent workshops aiming to maintain and repair the CLK320 accurately and efficiently, providing dealership-level technical information.

📋 Manual Details

General Coverage:

Comprehensive service, repair, and diagnostic information for the 2002 Mercedes-Benz CLK320.

Engine Coverage:

Engine mechanical, engine electrical, fuel system, cooling system, lubrication system, emissions control.

Transmission Coverage:

Automatic transmission (5G-Tronic) mechanical, electrical, hydraulics, diagnosis, and repair.

Chassis Coverage:

Suspension (front and rear), steering system, brake system (ABS, ESP), wheels and tires.

Electrical Coverage:

Body electrical systems, lighting, instrumentation, comfort systems (HVAC, seats), power accessories, CAN bus communication, diagnostic trouble codes (DTCs).

Body Coverage:

Exterior body panels, interior trim, doors, windows, convertible top (if applicable), glass, bumpers.

Estimated Pages:

1500+

Type:

Service and Repair Manual (Software)

Language:

English

Format:

Software/Digital (likely PDF or proprietary application)

📖 Manual Coverage

Engine Systems:

M112 V6 engine (3.2L), engine management (ME 2.8), ignition system, fuel injection, exhaust system, emission controls.

Powertrain Systems:

5G-Tronic automatic transmission (722.6), torque converter, transmission control module (TCM).

Braking Systems:

Hydraulic brake system, Anti-lock Braking System (ABS), Electronic Stability Program (ESP), brake fluid specifications, component replacement.

Steering Suspension:

Power steering system, front and rear suspension components (struts, control arms, bushings), wheel alignment specifications.

Electrical Systems:

Detailed wiring diagrams, fuse box locations and descriptions, power distribution, starter, alternator, battery, lighting, horns, power windows/locks/mirrors, climate control system, instrument cluster, SRS (airbag) system.

Comfort Convenience:

Climate control (manual/automatic), power seats, central locking, keyless entry, anti-theft systems, infotainment system (COMAND if equipped), convertible top operation and maintenance (if applicable).

Maintenance Procedures:

Oil change, filter replacements (oil, air, cabin), spark plug replacement, coolant flush and replacement, brake fluid flush, transmission fluid change, differential fluid change, drive belt inspection and replacement.

Diagnostic Procedures:

Troubleshooting guides based on symptoms, diagnostic trouble code (DTC) lookup and interpretation, using diagnostic scan tools (e.g., STAR diagnosis), testing of sensors and actuators.

Repair Procedures:

Engine component overhaul (e.g., head gasket, pistons), transmission repair/rebuild, brake caliper replacement, suspension component replacement, steering rack replacement, electrical component diagnosis and replacement, body panel repair and replacement.

Assembly Disassembly:

Detailed step-by-step instructions for removing and installing major components, torque specifications for fasteners.

Depth:

Extremely high. Covers everything from routine maintenance to complete engine and transmission overhauls, including detailed electrical system schematics and diagnostic procedures.

📊 Manual Specifications

Digital Format:

Likely a proprietary executable or a searchable PDF. Officially licensed implies it may be a digital version of the dealer workshop manual.

Quality:

N/A (Digital format, but typically high resolution and clarity for technical diagrams).

Binding:

N/A (Digital format).

Paper:

N/A (Digital format).

⚙️ Engine Specifications

Engine Type:

V6, SOHC, 18-valve (3 valves per cylinder + 1 spark plug per cylinder)

Displacement:

3.2 Liters (3199 cc)

Bore X Stroke:

89.9 mm x 84.0 mm

Horsepower:

215 hp @ 5700 rpm

Torque:

221 lb-ft @ 3000-4500 rpm

Fuel Delivery:

Electronic Fuel Injection (EFI) - Bosch ME 2.8 system

Fuel Type:

Premium Unleaded Gasoline (91 octane or higher recommended)

Coolant Type:

Mercedes-Benz Approved Antifreeze/Coolant (e.g., G05)

Oil Capacity W Filter:

8.0 Liters (8.5 US Quarts)

Recommended Oil Viscosity:

SAE 0W-30 or 0W-40 (MB 229.5 specification)

🔧 Transmission

Transmission Type:

5-speed Automatic (5G-Tronic)

Transmission Model:

722.6

Shift Modes:

Comfort (C) and Sport (S) modes

Transmission Fluid Type:

MB 236.10 / 236.12 (ATF Dexron III compatible, but MB specific is preferred)

Transmission Fluid Capacity:

Approx. 8.0 Liters (total capacity, 3.5-4.0 Liters for drain/fill)

📐 Dimensions

Length:

4670 mm (183.9 in)

Width:

1740 mm (68.5 in)

Height:

1390 mm (54.7 in)

Wheelbase:

2715 mm (106.9 in)

Curb Weight:

Approx. 1560 kg (3439 lbs)

Gross Vehicle Weight Rating:

Approx. 1990 kg (4387 lbs)

Trunk Volume:

Approx. 350 Liters (12.4 cu ft)

🛡️ Safety Features

NHTSA Front Crash:

Good (Not explicitly rated for 2002, but generally high for Mercedes-Benz)

IIHS Side Impact:

Good (Not explicitly rated for 2002, but generally high for Mercedes-Benz)

Active Safety:

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

Passive Safety:

Front airbags, side airbags (front), front and rear head protection curtains, seatbelt pretensioners, crumple zones.

Srs System:

Advanced Supplemental Restraint System (SRS) including occupant sensors.

💡 Technology Features

Infotainment System:

Optional COMAND (Cockpit Management and Navigation) system with CD player, AM/FM radio, navigation, and potentially CD changer. Base models had a simpler Audio 20 system.

Driver Assistance Features:

Cruise Control, Rain-sensing wipers (optional), Auto-dimming rearview mirror.

Connectivity Options:

Integrated cellular telephone module (optional), UHI (Universal Hands-free Interface) for phone integration.

Climate Control:

Dual-zone automatic climate control (optional) or manual climate control.

Headlights:

Halogen projector beam headlights, Xenon headlamps with auto-leveling and headlight washers (optional).

🔧 Maintenance

Oil Change Interval:

Typically every 10,000 miles or 12 months, whichever comes first, using synthetic oil. (Refer to flexible service interval system - ASSYST).

Major Service Intervals:

Major services (e.g., spark plugs, coolant flush, transmission fluid change) typically around 30,000, 60,000, 90,000 miles, but highly dependent on ASSYST readings and driving conditions.

Brake Fluid Spec:

DOT 4 Plus (MB 331.0)

Power Steering Fluid Spec:

MB 236.3

Coolant Spec:

MB 325.0 (with 50% distilled water, typically G05 coolant)

Common Wear Items:

PCV valve, vacuum lines, front suspension bushings and ball joints, ignition coils, spark plug wells (prone to oil leaks), mass airflow sensor (MAF), O2 sensors.

Electrical Quirks:

Window regulators, door lock actuators, blower motor resistor, EIS (Electronic Ignition Switch), SAM (Signal Acquisition Module) issues can occur.

Transmission Considerations:

The 5G-Tronic is generally robust, but timely fluid and filter changes are crucial. Valve body issues can develop with age/mileage.

📚 Vehicle History

Heritage:

Mercedes-Benz, founded in 1926, has a long-standing reputation for engineering excellence, luxury, and automotive innovation.

Generation:

The C209 CLK-Class replaced the C208 CLK-Class. It was based on the W203 C-Class platform but featured distinct styling and a longer wheelbase. The CLK320 was a core model in this generation.

Production Years:

The C209 CLK-Class was produced from 2002 to 2010. The CLK320 model variant was available throughout much of this period.

Manufacturing Location:

Primarily manufactured in Germany.

🏆 Awards & Recognition

Historical Awards:

While specific awards for the 2002 model year are difficult to pinpoint retrospectively, the CLK-Class generally received accolades for its styling and luxury appointments from automotive journalists and publications of its era.

Safety Ratings General:

Mercedes-Benz vehicles of this era consistently achieved high safety ratings from independent bodies and government agencies.