2007 Mercedes-Benz CLK550

Introduction

The 2007 Mercedes-Benz CLK550 is a luxurious grand tourer that offers a combination of performance and comfort. It is powered by a 5.5-liter V8 engine that produces 382 horsepower and 391 lb-ft of torque, paired with a 7-speed automatic transmission. The CLK550 is known for its sleek exterior design, well-equipped interior, and responsive handling. However, it is not without its drawbacks, which include high maintenance costs and some reported reliability issues.

Engine

5.5L V8

• Intake Manifold Runner Control Failure:
  • Description/Symptoms: Decreased engine performance, rough idling, or stalling.
  • Solution: Replace intake manifold runner control motor.
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found
• Valve Cover Oil Leaks:
  • Description/Symptoms: Leaking oil from the valve cover gaskets.
  • Solution: Replace valve cover gaskets and bolts.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Transmission

7-speed Automatic

• Transmission Fluid Leaks:
  • Description/Symptoms: Leaking transmission fluid from the transmission pan or seals.
  • Solution: Replace leaking seals or transmission pan.
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found
• Shifting Problems:
  • Description/Symptoms: Difficulty shifting gears or delayed shifts.
  • Solution: Recondition or replace transmission.
  • Estimated Cost to Fix: $2,000 - $5,000+
  • Recalls: None Found

Suspension

• Front Lower Control Arm Bushing Failure:
  • Description/Symptoms: Noisy suspension, poor handling, or uneven tire wear.
  • Solution: Replace lower control arm bushings.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found
• Air Suspension Compressor Failure:
  • Description/Symptoms: Inoperative air suspension, sagging or uneven ride height.
  • Solution: Replace air suspension compressor and relay.
  • Estimated Cost to Fix: $1,500 - $2,500+
  • Recalls: None Found

Electrical

• Headlight Wiring Harness Failure:
  • Description/Symptoms: Intermittent or non-functioning headlights.
  • Solution: Replace headlight wiring harness.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found
• Battery Discharge Issues:
  • Description/Symptoms: Battery drains quickly or vehicle fails to start.
  • Solution: Test and replace weak battery or alternator.
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found

Exterior

• Rust on Undercarriage:
  • Description/Symptoms: Surface rust or corrosion on metal components beneath the vehicle.
  • Solution: Apply anti-rust treatment or replace rusted parts.
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found

Interior

• Sunroof Motor Failure:
  • Description/Symptoms: Inability to open or close sunroof.
  • Solution: Replace sunroof motor.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found
• Seat Heating Element Malfunction:
  • Description/Symptoms: Non-functioning seat heaters.
  • Solution: Replace faulty heating element or control module.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Summary

The 2007 Mercedes-Benz CLK550 is a desirable grand tourer that provides a luxurious and powerful driving experience. However, it has some reported reliability issues that can be costly to repair. Common problems include engine leaks, transmission issues, and electrical failures. Suspension and interior components may also malfunction. The severity and frequency of these issues vary, so it is essential to consider maintenance costs and potential repairs when purchasing a used CLK550.