2009 Mercedes-Benz CLS500

Introduction:

The 2009 Mercedes-Benz CLS500 is a luxury sedan powered by a 5.5L V8 engine producing 382 horsepower and 391 lb-ft of torque. It comes with a 7-speed automatic transmission. Other engine options include a 5.5L V8 with 435 horsepower and a 6.3L V8 with 518 horsepower. The CLS500 is praised for its sleek design, powerful engine, and luxurious interior, but some owners have reported various issues.

Engine

5.5L V8

• Oil leaks from valve cover gaskets
  • Description/Symptoms: Oil leaks from under the valve covers, visible as drips or puddles under the vehicle.
  • Solution: Replace the valve cover gaskets.
  • Estimated Cost to Fix: $400 - $600+
  • Recalls: None Found
• Timing chain tensioner failure
  • Description/Symptoms: The timing chain tensioner may fail, causing the timing chain to jump, resulting in engine performance issues, rough idling, and possible engine damage.
  • Solution: Replace the timing chain tensioner and any damaged components.
  • Estimated Cost to Fix: $1,000 - $2,500+
  • Recalls: None Found

5.5L V8 (435 horsepower)

• Intake manifold failure
  • Description/Symptoms: The intake manifold may fail, causing a loss of power, rough idling, and engine misfires.
  • Solution: Replace the intake manifold.
  • Estimated Cost to Fix: $1,200 - $1,800+
  • Recalls: None Found

6.3L V8

• No Issues Found

Transmission

7-Speed Automatic

• Shift solenoid failure
  • Description/Symptoms: Shift solenoids in the transmission may fail, leading to delayed or hard shifting, transmission slipping, and possible transmission failure.
  • Solution: Replace the faulty shift solenoids and reprogram the transmission module.
  • Estimated Cost to Fix: $800 - $1,200+
  • Recalls: None Found

Suspension

• Air suspension compressor failure
  • Description/Symptoms: The air suspension compressor may fail, causing the vehicle to ride too low or too high, resulting in reduced handling and stability.
  • Solution: Replace the air suspension compressor.
  • Estimated Cost to Fix: $1,500 - $2,000+
  • Recalls: None Found

Electrical

• Battery discharge
  • Description/Symptoms: The vehicle battery may discharge prematurely due to various electrical faults, such as faulty alternator, parasitic drain, or a failing voltage regulator.
  • Solution: Diagnose and repair the underlying electrical issue.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found

Exterior

• Sunroof drain tube blockage
  • Description/Symptoms: Sunroof drain tubes can become blocked, leading to water leaking into the vehicle’s interior.
  • Solution: Unclog the sunroof drain tubes.
  • Estimated Cost to Fix: $100 - $200+
  • Recalls: None Found

Interior

• Climate control system failure
  • Description/Symptoms: The climate control system may fail, resulting in insufficient heating or cooling, malfunctioning fans, or temperature inconsistencies.
  • Solution: Diagnose and repair the specific component, such as the AC compressor, blend door actuator, or blower motor.
  • Estimated Cost to Fix: $400 - $1,000+
  • Recalls: None Found

Summary:

The 2009 Mercedes-Benz CLS500 has been reported to have various issues, with varying severity and cost to repair. Engine issues, such as oil leaks and timing chain failure, may be more significant and costly concerns. Transmission problems with shift solenoid failure have also been reported. The suspension air compressor can fail, leading to reduced handling and stability. Electrical issues include premature battery discharge due to electrical faults. Minor exterior issues, such as sunroof drain tube blockage, and interior issues, such as climate control system failure, have also been observed. Overall, some owners may experience expensive repairs, while others may face less frequent and less costly issues.