2010 Mercedes-Benz CLS350

Introduction

The 2010 Mercedes-Benz CLS350 is a midsize luxury sedan that combines sophisticated styling with a comfortable and technologically advanced interior. It is powered by a 3.5-liter V6 engine paired with a 7-speed automatic transmission, delivering 268 horsepower and 258 lb-ft of torque. Other engine and transmission options include a 5.5-liter V8 with 382 horsepower and 391 lb-ft of torque mated to a 7-speed automatic transmission, and a 3.0-liter V6 diesel with 210 horsepower and 400 lb-ft of torque paired with a 5-speed automatic transmission. The CLS350 is known for its sleek design, luxurious interior, and impressive driving dynamics. However, like any vehicle, it can encounter certain issues.

Engine

3.5-liter V6

• Intake manifold runner control failure:
  • Description/Symptoms: Reduced engine power, rough idling, and increased fuel consumption.
  • Solution: Replacement of intake manifold runners.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found
• Timing chain tensioner failure:
  • Description/Symptoms: Rattle or whining noise when starting the engine, engine misfires, and potential engine damage.
  • Solution: Replacement of timing chain tensioners and associated components.
  • Estimated Cost to Fix: $2,000 - $4,000+
  • Recalls: None Found

5.5-liter V8

• Valve stem lubrication issues:
  • Description/Symptoms: Excessive oil consumption, blue smoke from exhaust, and premature engine wear.
  • Solution: Replacement of valve stem seals or affected components.
  • Estimated Cost to Fix: $2,500 - $5,000+
  • Recalls: None Found

Transmission

7-speed Automatic

• Transmission slipping:
  • Description/Symptoms: Difficulty engaging gears, delayed shifting, and loss of power.
  • Solution: Transmission fluid replacement, repair or replacement of transmission components.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Suspension

• Air suspension leaks:
  • Description/Symptoms: Reduced ride height, difficulty leveling, and possible suspension failure.
  • Solution: Replacement of air suspension bladders, lines, or compressor.
  • Estimated Cost to Fix: $1,000 - $2,500+
  • Recalls: None Found

Electrical

• Battery drain:
  • Description/Symptoms: Difficulty starting the vehicle, premature battery failure, and loss of power to electrical components.
  • Solution: Identification and repair of electrical system drain sources.
  • Estimated Cost to Fix: $200 - $1,500+
  • Recalls: None Found
• Central locking system failure:
  • Description/Symptoms: Difficulty locking or unlocking doors, inoperable central locking remote.
  • Solution: Replacement of central locking actuator or related components.
  • Estimated Cost to Fix: $400 - $1,000+
  • Recalls: None Found

Exterior

• Sunroof drain tube clogging:
  • Description/Symptoms: Water leaking into the vehicle interior from sunroof or A-pillars.
  • Solution: Cleaning or replacement of sunroof drain tubes.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Interior

• Dashboard cracking:
  • Description/Symptoms: Cracks and deterioration of plastic dashboard material.
  • Solution: Replacement of dashboard or affected components.
  • Estimated Cost to Fix: $1,500 - $2,500+
  • Recalls: None Found

Summary

Overall, the 2010 Mercedes-Benz CLS350 is a well-regarded luxury sedan, but it is not without potential issues. The most significant concerns include engine timing chain tensioner failure, valve stem lubrication issues, transmission slipping, and air suspension leaks. These issues can be costly to repair and may require specialized knowledge or tools. However, it is important to note that not all CLS350s will experience these problems, and many owners report high levels of satisfaction with the vehicle. Regular maintenance and timely repairs can help minimize the likelihood of encountering major issues.