2007 Mercedes-Benz CLS500

The 2007 Mercedes-Benz CLS500 is a luxury four-door coupe known for its sleek design and comfortable ride. The CLS500 comes equipped with a 5.0L V8 engine producing 302 horsepower and 339 lb-ft of torque, paired with a 7-speed automatic transmission (7G-Tronic). Owners often praise the car’s distinctive styling and smooth driving experience, while common complaints revolve around maintenance costs and the complexity of the car’s electronics. Other engine options for the 2007 CLS models were CLS55 AMG that came with a supercharged 5.4L V8 engine and a 5-speed automatic transmission.

Engine

5.0L M113 V8

• Oil Leaks
  • Description/Symptoms: Oil leaks can occur from various locations, including the valve cover gaskets, oil filter housing gasket, and rear main seal. Symptoms include visible oil leaks on the ground, burning oil smell, and low oil level.
  • Solution: Replacing the leaking gaskets or seals.
  • Estimated Cost to Fix: $200 - $800+ depending on the location and complexity.
  • Recalls: None Found
• Mass Air Flow (MAF) Sensor Failure
  • Description/Symptoms: The MAF sensor can fail, leading to poor engine performance, rough idling, and a check engine light.
  • Solution: Replacing the MAF sensor.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

Transmission

7G-Tronic (722.9)

• Torque Converter Failure
  • Description/Symptoms: Some owners have reported torque converter failures, leading to harsh shifting, slipping, and a loss of power.
  • Solution: Replacing or rebuilding the torque converter.
  • Estimated Cost to Fix: $1,500 - $3,500+
  • Recalls: None Found
• Valve Body Issues
  • Description/Symptoms: Valve body problems can result in erratic shifting, delayed engagement, and gear slippage.
  • Solution: Replacing or rebuilding the valve body.
  • Estimated Cost to Fix: $800 - $2,000+
  • Recalls: None Found

Suspension

• Airmatic Suspension Failures
  • Description/Symptoms: The Airmatic air suspension system is prone to failures, including air leaks, compressor failure, and strut failure. This can result in a sagging vehicle, a harsh ride, and error messages on the dashboard.
  • Solution: Replacing the leaking air springs, compressor, or struts.
  • Estimated Cost to Fix: $500 - $2,000+ per component.
  • Recalls: None Found

Electrical

• Electronic Control Module (ECM) Issues
  • Description/Symptoms: Various electrical issues can stem from a failing ECM, leading to engine performance problems, transmission issues, and other system malfunctions.
  • Solution: Replacing or reprogramming the ECM.
  • Estimated Cost to Fix: $800 - $2,000+
  • Recalls: None Found
• Instrument Cluster Failures
  • Description/Symptoms: Instrument clusters can fail, leading to inaccurate readings or a complete loss of display.
  • Solution: Replacing or repairing the instrument cluster.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found
• Battery Drain Issues
  • Description/Symptoms: Excessive battery drain can occur due to faulty modules or electrical components that continue to draw power when the car is off.
  • Solution: Diagnosing and repairing the source of the battery drain.
  • Estimated Cost to Fix: $100 - $500+ depending on the complexity of the issue.
  • Recalls: None Found

Exterior

• Rust
  • Description/Symptoms: Rust can develop on the vehicle, especially in areas prone to moisture and salt exposure.
  • Solution: Repairing or replacing the rusted panels.
  • Estimated Cost to Fix: $200 - $2000+ depending on the severity of the rust.
  • Recalls: None Found
• Door Lock Actuator Failure
  • Description/Symptoms: Door lock actuators may fail, causing the doors to not lock or unlock properly.
  • Solution: Replacing the faulty door lock actuator.
  • Estimated Cost to Fix: $200 - $400 per door.
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroofs can experience problems such as getting stuck, making excessive noise, or leaking.
  • Solution: Repairing or replacing the sunroof mechanism.
  • Estimated Cost to Fix: $300 - $1,000+
  • Recalls: None Found
• Navigation System Failure
  • Description/Symptoms: The navigation system screen may fail to display information or become unresponsive.
  • Solution: Replacing or repairing the navigation unit.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Summary

The 2007 Mercedes-Benz CLS500 is a stylish and comfortable vehicle, but it’s important to be aware of potential issues before purchasing. The most common problems revolve around the Airmatic suspension, electrical systems, and transmission. These repairs can be costly, making a pre-purchase inspection by a qualified mechanic essential. While engine issues are relatively less frequent, oil leaks are common and should be addressed promptly. Overall, owning a CLS500 can be rewarding, but it requires a commitment to regular maintenance and potential repairs.