Post
Research the Car Logo

2014 Mercedes-Benz CLS63 AMG

Introduction

The 2014 Mercedes-Benz CLS63 AMG is a high-performance luxury sedan powered by a twin-turbocharged 5.5L V8 engine generating 557 horsepower and 531 lb-ft of torque. It comes standard with a 7-speed automatic transmission and rear-wheel drive. Some desirable features of the CLS63 AMG include its sleek styling, powerful engine, and luxurious interior. However, owners have reported some issues with this vehicle, which are detailed below.

Engine

5.5L V8 Biturbo

  • Intake manifold failure:
    • Description/Symptoms: Cracking or warping of the intake manifold, leading to vacuum leaks, reduced engine power, and a check engine light.
    • Solution: Replacement of the intake manifold.
    • Estimated Cost to Fix: $1,500 - $2,500+
    • Recalls: None Found
  • Turbocharger wastegate failure:
    • Description/Symptoms: Failure of the wastegate actuator or diaphragm, resulting in boost overpressure or under pressure, engine performance issues, and a check engine light.
    • Solution: Replacement of the turbocharger wastegate.
    • Estimated Cost to Fix: $600 - $1,200+
    • Recalls: None Found

Transmission

7-Speed Automatic (7G-TRONIC PLUS)

  • Valve body failure:
    • Description/Symptoms: Malfunctioning valve body causing delayed or erratic gear shifts, slipping, or loss of gears.
    • Solution: Replacement or repair of the valve body.
    • Estimated Cost to Fix: $1,500 - $2,500+
    • Recalls: None Found

Suspension

  • Airmatic suspension failure:
    • Description/Symptoms: Malfunctioning air suspension system causing uneven ride height, reduced handling, or loss of suspension function.
    • Solution: Replacement of air struts or compressor.
    • Estimated Cost to Fix: $1,000 - $2,500+
    • Recalls: None Found

Electrical

  • Battery drain:
    • Description/Symptoms: Rapid battery discharge even when the vehicle is parked, potentially leading to a dead battery.
    • Solution: Diagnosis and replacement of the faulty component (e.g., alternator, parasitic drain).
    • Estimated Cost to Fix: $500 - $1,200+
    • Recalls: None Found
  • Headlight malfunction:
    • Description/Symptoms: Failure or flickering of LED headlights or taillights.
    • Solution: Replacement of the faulty headlight or taillight unit.
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found

Exterior

  • Sunroof seal failure:
    • Description/Symptoms: Cracking or tearing of the sunroof seal, leading to water leaks into the cabin.
    • Solution: Replacement of the sunroof seal.
    • Estimated Cost to Fix: $300 - $600+
    • Recalls: None Found

Interior

  • Climate control malfunction:
    • Description/Symptoms: Malfunctioning HVAC system resulting in irregular temperature control, excessive noise, or lack of airflow.
    • Solution: Diagnosis and replacement of the faulty component (e.g., blower motor, climate control module).
    • Estimated Cost to Fix: $500 - $1,500+
    • Recalls: None Found
  • Navigation system failure:
    • Description/Symptoms: Malfunctioning navigation system causing inaccurate maps, freezing, or complete failure.
    • Solution: Software update or replacement of the navigation unit.
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found

Summary

The 2014 Mercedes-Benz CLS63 AMG is a powerful and luxurious car, but it is not without its issues. Some of the most common problems reported by owners include intake manifold failure, turbocharger wastegate failure, valve body failure, airmatic suspension failure, and electrical problems. While some of these issues are relatively minor and inexpensive to fix, others can be quite costly. Overall, the severity and cost of the issues with the CLS63 AMG will vary depending on the specific problem encountered.

This post is licensed under CC BY 4.0 by the author.