2013 Mercedes-Benz CLS63 AMG

The 2013 Mercedes-Benz CLS63 AMG is a high-performance luxury coupe offering a blend of stunning design and impressive power. This model year features a hand-built 5.5-liter twin-turbocharged V8 engine producing 518 horsepower and 516 lb-ft of torque in its base configuration and 550 horsepower and 590 lb-ft of torque with the optional Performance Package. It is paired with a 7-speed AMG Speedshift MCT (Multi-Clutch Technology) transmission. Owners appreciate the CLS63 AMG’s powerful acceleration, luxurious interior, and distinctive styling. Common complaints often relate to the high cost of maintenance and repairs, especially for the complex AMG components, as well as the firm ride.

Engine

5.5L Twin-Turbocharged V8 (M157)

• Oil Leaks (Valve Cover Gaskets/Timing Cover)
  • Description/Symptoms: Oil leaks are common around the valve cover gaskets and timing cover. Symptoms include visible oil leaks, burning oil smell, and low oil levels.
  • Solution: Replacing the valve cover gaskets and/or resealing the timing cover.
  • Estimated Cost to Fix: $500 - $1500+
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: The twin turbochargers can fail, exhibiting symptoms like loss of power, unusual noises (whining or whistling), and potentially check engine lights.
  • Solution: Replacing the failed turbocharger(s).
  • Estimated Cost to Fix: $3,000 - $6,000+
  • Recalls: None Found
• Fuel Injector Issues
  • Description/Symptoms: The direct fuel injectors can fail or become clogged, leading to rough idling, misfires, and reduced fuel economy.
  • Solution: Replacing the faulty fuel injector(s).
  • Estimated Cost to Fix: $200 - $500 per injector
  • Recalls: None Found

Transmission

7-Speed AMG Speedshift MCT (Multi-Clutch Technology)

• Harsh Shifting/Jerking
  • Description/Symptoms: Some owners report experiencing harsh shifting or jerking, especially during low-speed maneuvers or when shifting between gears. This can be due to valve body issues, clutch pack wear, or software glitches.
  • Solution: Performing a transmission adaptation reset, replacing the valve body, or rebuilding the transmission.
  • Estimated Cost to Fix: $300 - $6000+ (depending on the severity and solution)
  • Recalls: None Found
• Delayed Engagement
  • Description/Symptoms: There is sometimes a delay in gear engagement when shifting from Park or Neutral into Drive or Reverse.
  • Solution: Addressing low transmission fluid, sensor issues, or valve body problems.
  • Estimated Cost to Fix: $200 - $1,500+
  • Recalls: None Found

Suspension

• Air Suspension Failure (Airmatic)
  • Description/Symptoms: The Airmatic suspension system is prone to leaks in the air struts and compressor failure, leading to a sagging suspension, a rough ride, and error messages on the dashboard.
  • Solution: Replacing the leaking air struts and/or the air suspension compressor.
  • Estimated Cost to Fix: $1,000 - $2,500+ per strut; $800 - $1,500+ for the compressor.
  • Recalls: None Found
• Air Strut Malfunction
  • Description/Symptoms: Suspension is either stuck high or sagging low
  • Solution: Strut replacement
  • Estimated Cost to Fix: $1,500 - $3,000
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Excessive battery drain can be a common issue, potentially caused by faulty modules, aftermarket accessories, or a failing battery.
  • Solution: Identifying and repairing the source of the battery drain. This can involve testing various components and potentially replacing a faulty module or the battery itself.
  • Estimated Cost to Fix: $100 - $1,000+
  • Recalls: None Found
• SAM (Signal Acquisition Module) Failure
  • Description/Symptoms: The SAM modules control various electrical functions, and their failure can cause a range of issues, including lighting problems, malfunctioning wipers, and inoperative accessories.
  • Solution: Replacing the faulty SAM module.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Exterior

• Headlight Condensation
  • Description/Symptoms: Condensation can build up inside the headlight housings.
  • Solution: Replacing the headlight housing or resealing.
  • Estimated Cost to Fix: $500 - $2000+
  • Recalls: None Found

Interior

• COMAND System Issues
  • Description/Symptoms: The COMAND infotainment system can experience glitches, freezing, and software issues.
  • Solution: Updating the COMAND software or, in severe cases, replacing the COMAND unit.
  • Estimated Cost to Fix: $100 - $2,000+
  • Recalls: None Found

Summary The 2013 Mercedes-Benz CLS63 AMG, while an exceptional performance vehicle, has a number of potential issues. The most concerning and costly revolve around the engine (oil leaks, turbocharger failure), transmission (harsh shifting), and suspension (air suspension failure). Electrical issues and problems with the infotainment system can also arise. Repair costs can be significant due to the complexity of the AMG components. Prospective buyers should be aware of these potential issues and budget accordingly for maintenance and repairs.