2006 Mercedes-Benz CL65 AMG

The 2006 Mercedes-Benz CL65 AMG is a high-performance coupe known for its luxurious appointments and powerful engine. This model year featured a twin-turbocharged 6.0L V12 engine producing 604 horsepower and 738 lb-ft of torque, paired with a 5-speed automatic transmission. While praised for its incredible power and sophisticated styling, some owners have reported reliability issues common to high-performance luxury vehicles. Potential buyers should be aware of these potential problems.

Engine

6.0L Twin-Turbo V12 (M275)

• Coil Pack Failure
  • Description/Symptoms: Misfires, rough running engine, check engine light. Often occurs due to heat and age.
  • Solution: Replacement of faulty coil packs.
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found
• Valve Cover Gasket Leaks
  • Description/Symptoms: Oil leaks visible on the sides of the engine, burning oil smell.
  • Solution: Replacement of valve cover gaskets.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found
• ABC (Active Body Control) Pump Failure
  • Description/Symptoms: Whining noise from the front of the engine, ABC warning lights, suspension malfunctions. Though part of the suspension system, the ABC pump is engine-driven.
  • Solution: Replacement of the ABC pump.
  • Estimated Cost to Fix: $1500 - $3000+
  • Recalls: None Found

Transmission

• 722.6 5-Speed Automatic Transmission
  • Torque Converter Failure
    • Description/Symptoms: Shuddering during gear changes, slipping, or complete failure to engage gears.
    • Solution: Replacement of the torque converter.
    • Estimated Cost to Fix: $1500 - $3000+
    • Recalls: None Found
  • Valve Body Issues
    • Description/Symptoms: Harsh shifting, delayed engagement of gears, erratic shifting patterns.
    • Solution: Rebuild or replacement of the valve body.
    • Estimated Cost to Fix: $800 - $2000+
    • Recalls: None Found

Suspension

• ABC (Active Body Control) System Problems
  • Description/Symptoms: Suspension sagging, uneven ride height, ABC warning lights, harsh ride. Problems often stem from accumulators, struts, or the pump (mentioned above).
  • Solution: Diagnosis of the specific component failure and replacement or repair. Accumulators often need replacing.
  • Estimated Cost to Fix: $500 - $3000+ (depending on the component)
  • Recalls: None Found

Electrical

• Voltage Regulator Failure
  • Description/Symptoms: Erratic electrical behavior, battery not charging properly, warning lights on the dashboard.
  • Solution: Replacement of the voltage regulator.
  • Estimated Cost to Fix: $300 - $700+
  • Recalls: None Found
• SAM (Signal Acquisition Module) Malfunctions
  • Description/Symptoms: Various electrical issues such as lights not working, wipers malfunctioning, or other seemingly random electrical problems.
  • Solution: Diagnosis and reprogramming or replacement of the affected SAM unit.
  • Estimated Cost to Fix: $500 - $1500+
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• No Issues Found

Summary

The 2006 Mercedes-Benz CL65 AMG, while offering exhilarating performance, is prone to certain reliability issues, particularly related to its complex engine, transmission, ABC suspension system, and electrical components. Repairs can be costly due to the specialized parts and labor required for a high-performance luxury vehicle. Potential buyers should carefully inspect the vehicle and be prepared for potential maintenance expenses.