2009 Mercedes-Benz CLS550

2009 Mercedes-Benz CLS550 Issues

The 2009 Mercedes-Benz CLS550 is a luxury sedan that offers a blend of style, performance, and comfort. It is powered by a 5.5-liter V8 engine that produces 382 horsepower and 391 lb-ft of torque. The CLS550 comes standard with a 7-speed automatic transmission. Other engine and transmission options include a 3.5-liter V6 engine with a 5-speed automatic transmission and a 6.3-liter V8 engine with a 7-speed automatic transmission.

Owners of the 2009 Mercedes-Benz CLS550 have reported a number of issues with the vehicle. These issues range from minor annoyances to more serious problems that can affect the safety and reliability of the car.

Engine

5.5L V8

• Intake manifold failure: The intake manifold can crack, causing a loss of power and fuel economy. The solution is to replace the intake manifold. Estimated cost to fix: $1,000 - $2,000+
• Timing chain tensioner failure: The timing chain tensioner can fail, causing the timing chain to skip and potentially damage the engine. The solution is to replace the timing chain tensioner and timing chain. Estimated cost to fix: $2,000 - $4,000+
• Oil leaks: The CLS550 is known to develop oil leaks from the valve covers, oil pan, and rear main seal. The solution is to replace the leaking gaskets or seals. Estimated cost to fix: $500 - $1,500+

Transmission

7-Speed Automatic

• Shifting problems: The transmission may have difficulty shifting gears, especially when cold. The solution is to reprogram the transmission control unit or replace the transmission. Estimated cost to fix: $500 - $2,000+
• Torque converter failure: The torque converter can fail, causing the transmission to shudder or slip. The solution is to replace the torque converter. Estimated cost to fix: $2,000 - $3,000+

Suspension

• Air suspension failure: The air suspension system can fail, causing the vehicle to sag or become unstable. The solution is to replace the air suspension components. Estimated cost to fix: $2,000 - $4,000+
• Strut mount failure: The strut mounts can fail, causing the struts to make noise or the vehicle to handle poorly. The solution is to replace the strut mounts. Estimated cost to fix: $500 - $1,000+

Electrical

• Battery drain: The battery can drain prematurely, especially if the vehicle is not driven regularly. The solution is to identify and fix the source of the drain. Estimated cost to fix: $500 - $2,000+
• Alternator failure: The alternator can fail, causing the battery to not charge. The solution is to replace the alternator. Estimated cost to fix: $500 - $1,000+
• Electrical system glitches: The electrical system can experience glitches, such as lights flickering or the radio turning on and off. The solution is to diagnose and repair the electrical problem. Estimated cost to fix: $500 - $2,000+

Exterior

• Headlight condensation: The headlights can develop condensation, which can impair visibility. The solution is to replace the headlights. Estimated cost to fix: $1,000 - $2,000+
• Tail light failure: The tail lights can fail, which can be a safety hazard. The solution is to replace the tail lights. Estimated cost to fix: $500 - $1,000+

Interior

• Sunroof rattle: The sunroof can rattle, which can be annoying. The solution is to adjust or replace the sunroof components. Estimated cost to fix: $500 - $1,000+
• Climate control system failure: The climate control system can fail, causing the vehicle to not heat or cool properly. The solution is to diagnose and repair the climate control system. Estimated cost to fix: $500 - $2,000+

Summary

The 2009 Mercedes-Benz CLS550 is a luxurious and powerful sedan, but it is not without its problems. The vehicle has been known to experience a number of issues, including engine problems, transmission problems, suspension problems, electrical problems, and interior problems.

The severity of the issues with the CLS550 can vary, but some of the problems can be serious enough to affect the safety and reliability of the vehicle. The cost to fix the issues can also be significant, so it is important to be aware of the potential problems before purchasing a CLS550.