2020 Mercedes-Benz AMG GT C

The 2020 Mercedes-Benz AMG GT C is a high-performance sports car that blends luxury and thrilling performance. It’s available as a coupe or roadster. In 2020, it was offered with a 4.0-liter twin-turbo V8 engine. The AMG GT C’s version of the engine delivers 550 horsepower and 502 lb-ft of torque. All GT C models use a 7-speed dual-clutch automatic transmission. People often praise the AMG GT C for its striking design, powerful engine, and agile handling. Common complaints include the firm ride, limited cargo space, and complex infotainment system.

Engine

4.0L Twin-Turbo V8

• Oil Leaks
  • Description/Symptoms: Oil leaks can develop from various locations, including valve cover gaskets, oil pan gasket, and turbocharger oil lines. Symptoms include visible oil drips, burning oil smell, and low oil level warning.
  • Solution: Replacing the leaking gasket or component. Thoroughly inspect all potential leak sources.
  • Estimated Cost to Fix: $300 - $2,000+ (depending on the source and complexity)
  • Recalls: None Found
• Turbocharger Issues
  • Description/Symptoms: Some owners have reported issues with the turbochargers, including premature failure, whistling noises, and reduced performance. This can be caused by oil starvation or other mechanical failures.
  • Solution: Replacement of the faulty turbocharger(s).
  • Estimated Cost to Fix: $3,000 - $6,000+ (for replacing both turbos)
  • Recalls: None Found

Transmission

7-Speed Dual-Clutch (DCT) Automatic

• Harsh Shifting/Jerking
  • Description/Symptoms: The 7-speed DCT can exhibit harsh shifting, particularly at low speeds and during downshifts. Some owners report jerking or hesitation during gear changes.
  • Solution: Software updates (TCU reflash) may improve shift quality. In more severe cases, transmission valve body replacement or clutch replacement may be required.
  • Estimated Cost to Fix: $200 (TCU reflash) - $5,000+ (valve body/clutch replacement)
  • Recalls: None Found
• Transmission Mount Failure
  • Description/Symptoms: Excessive vibration felt through the vehicle, clunking noises during shifting or acceleration, and visible damage to the mount.
  • Solution: Replacing the transmission mount.
  • Estimated Cost to Fix: $500-$1,000
  • Recalls: None Found

Suspension

• Air Suspension Problems (If Equipped)
  • Description/Symptoms: The AMG GT C may be equipped with air suspension. Problems can include compressor failure, air leaks from struts, and uneven ride height.
  • Solution: Replacing the faulty air compressor, air struts, or repairing leaks in the system.
  • Estimated Cost to Fix: $800 - $3,000+ (depending on the component)
  • Recalls: None Found

Electrical

• Infotainment System Glitches
  • Description/Symptoms: The COMAND infotainment system can experience glitches, including screen freezes, slow response times, and connectivity issues.
  • Solution: Software updates may resolve some issues. In some cases, replacement of the COMAND unit may be necessary.
  • Estimated Cost to Fix: $0 (software update) - $2,000+ (unit replacement)
  • Recalls: None Found
• Sensor Failures
  • Description/Symptoms: Various sensors, such as the parking sensors, blind spot monitoring sensors, and tire pressure monitoring sensors, can fail.
  • Solution: Replacing the faulty sensor.
  • Estimated Cost to Fix: $200 - $500+ (per sensor, depending on type and location)
  • Recalls: None Found

Exterior

• Convertible Top Issues (Roadster)
  • Description/Symptoms: On the roadster, the convertible top mechanism can experience problems, including slow operation, failure to fully open or close, and leaks.
  • Solution: Repairing or replacing the hydraulic pump, cylinders, or sensors associated with the convertible top mechanism. Adjusting or replacing seals to address leaks.
  • Estimated Cost to Fix: $500 - $3,000+ (depending on the severity and component needing repair)
  • Recalls: None Found

Interior

• Seat Motor Failures
  • Description/Symptoms: Failure of the electric motors that control seat adjustment. Symptoms include the seat being unable to move in one or more directions.
  • Solution: Replacing the faulty seat motor or the entire seat track assembly.
  • Estimated Cost to Fix: $400 - $1,500+
  • Recalls: None Found

Summary

The 2020 Mercedes-Benz AMG GT C, while a performance powerhouse, can suffer from issues common to high-performance vehicles, especially with its complex systems. Engine oil leaks and turbocharger problems can be expensive to address. The DCT transmission may exhibit harsh shifting that might require software updates or even hardware replacements. Electrical glitches and sensor failures can also add to the ownership costs. Air suspension issues, if equipped, and convertible top problems on the Roadster variant can be costly. Overall, while the AMG GT C offers an exhilarating driving experience, potential owners should be aware of these potential issues and factor in higher maintenance costs. The severity of issues can range from minor inconveniences to major repairs costing thousands of dollars.