2018 Mercedes-Benz CLS63 AMG S

Introduction

The Mercedes-Benz CLS63 AMG S is a high-performance luxury sedan that combines style, comfort, and power. It is powered by a 4.0-liter twin-turbocharged V8 engine that produces 577 horsepower and 590 lb-ft of torque. The engine is paired with a 9-speed AMG Speedshift MCT transmission, which sends power to all four wheels through a 4Matic all-wheel-drive system.

Engine:

• 4.0L Twin-Turbocharged V8
  • Timing Chain Tensioner Failure
    • Description/Symptoms: The timing chain tensioner can fail, causing the timing chains to skip and damaging the engine. This can lead to a variety of symptoms, including engine knocking, stalling, and loss of power.
    • Solution: Replace the timing chain tensioner.
    • Estimated Cost to Fix: $2,000 - $3,000+
    • Recalls: None Found
  • Turbocharger Wastegate Failure
    • Description/Symptoms: The turbocharger wastegate can fail, causing excessive boost pressure to be sent to the engine. This can lead to engine damage, including piston or valve failure.
    • Solution: Replace the turbocharger wastegate.
    • Estimated Cost to Fix: $1,500 - $2,500+
    • Recalls: None Found

Transmission:

• 9-Speed AMG Speedshift MCT
  • Transmission Fluid Leak
    • Description/Symptoms: The transmission can develop a fluid leak, which can lead to low fluid levels and transmission damage.
    • Solution: Replace the transmission fluid or repair the leak.
    • Estimated Cost to Fix: $500 - $1,500+
    • Recalls: None Found
  • Clutch Pack Failure
    • Description/Symptoms: The clutch packs in the transmission can fail, leading to slipping, shuddering, or gear engagement issues.
    • Solution: Replace the clutch pack.
    • Estimated Cost to Fix: $2,000 - $3,000+
    • Recalls: None Found

Suspension:

• No Issues Found

Electrical:

• Battery Discharge
  • Description/Symptoms: The battery can discharge prematurely, causing the vehicle to fail to start.
  • Solution: Replace the battery or repair the charging system.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found
• Electrical Control Unit (ECU) Failure
  • Description/Symptoms: The ECU can fail, causing a variety of electrical issues, including problems with the engine, transmission, or other systems.
  • Solution: Replace the ECU.
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found

Exterior:

• No Issues Found

Interior:

• Panoramic Sunroof Noise
  • Description/Symptoms: The panoramic sunroof can generate excessive wind noise when driving at higher speeds.
  • Solution: Adjust the sunroof or replace the seals.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found
• Infotainment System Lag
  • Description/Symptoms: The infotainment system can experience occasional lag or freezing.
  • Solution: Update the software or replace the infotainment unit.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Summary

The Mercedes-Benz CLS63 AMG S is a powerful and luxurious vehicle with a few notable issues. The timing chain tensioner failure and turbocharger wastegate failure are the most serious issues, as they can lead to significant engine damage. The other issues are less severe, but they can still be frustrating for owners. Overall, the CLS63 AMG S is a well-built vehicle, but it is important to be aware of the potential issues and the cost of repairs.