2009 Mercedes-Benz CLK63 AMG
2009 Mercedes-Benz CLK63 AMG
Overview
The 2009 Mercedes-Benz CLK63 AMG, a high-performance grand tourer, is known for its potent V8 engine and engaging driving dynamics. While generally well-built, like any performance vehicle, it can experience specific issues as it ages. This data focuses on documented, non-wear-and-tear related problems that owners might encounter. The CLK63 AMG, with its emphasis on performance, may require more diligent maintenance than standard luxury vehicles, but its core mechanical components are robust when properly cared for. Owners should be aware of potential issues in areas such as the cooling system, transmission, and certain electronic modules, though widespread catastrophic failures are uncommon.
Engine
6.2L M156 V8
Camshaft Adjuster Solenoids
- Symptoms: Check engine light, rough idle, reduced engine power.
- Solution: Replacement of faulty solenoids.
- Cost: $300 - $600
Oil Leaks (Valve Covers/Oil Cooler)
- Symptoms: Visible oil drips, burning oil smell, low oil level.
- Solution: Replacement of valve cover gaskets or oil cooler seals.
- Cost: $500 - $1200
Cooling System (Hoses/Radiator)
- Symptoms: Overheating, coolant leaks, steam from engine bay.
- Solution: Replacement of aged hoses, radiator, or water pump.
- Cost: $600 - $1500
Transmission
7G-TRONIC (7-Speed Automatic)
Transmission Control Module (TCM) Failure
- Symptoms: Harsh shifting, transmission slipping, inability to select gears, warning lights.
- Solution: Replacement or repair of the TCM.
- Cost: $800 - $2000
Torque Converter Issues
- Symptoms: Shuddering during acceleration, slipping, delayed engagement.
- Solution: Replacement of the torque converter.
- Cost: $1500 - $3000
Suspension
AMG Sport Suspension
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Electrical
Standard Electrical System
Window Regulator Failure
- Symptoms: Power windows not operating, window stuck in position.
- Solution: Replacement of the window regulator mechanism.
- Cost: $300 - $700
Headlight Ballast Failure
- Symptoms: Xenon headlights not turning on or flickering.
- Solution: Replacement of the headlight ballast unit.
- Cost: $400 - $800
Exterior
Standard Exterior
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Interior
Standard Interior
Seat Bolster Wear
- Symptoms: Excessive wear or tearing on the leather of the driver’s seat bolsters due to ingress/egress.
- Solution: Leather repair or replacement of seat covers.
- Cost: $300 - $900
Climate Control Actuator Failure
- Symptoms: Airflow not directing correctly (e.g., stuck on defrost), unusual noises from dashboard.
- Solution: Replacement of faulty HVAC actuators.
- Cost: $200 - $500
Summary Verdict
The 2009 Mercedes-Benz CLK63 AMG is a capable performance car with a generally solid mechanical foundation. While owners can expect some specific issues related to its high-performance nature and age, such as engine solenoid and cooling system concerns, and potential transmission control module problems, these are often manageable with timely repairs. Electrical components like window regulators and headlight ballasts can also present issues. Interior wear on seat bolsters is common due to the car’s design. Overall, with proactive maintenance and attention to these known potential problems, the CLK63 AMG can remain a reliable and exhilarating vehicle.