2021 Mercedes-Benz AMG GT C

The 2021 Mercedes-Benz AMG GT C is a high-performance sports car known for its stunning looks, powerful engine, and impressive handling. The AMG GT C specifically features a handcrafted 4.0-liter twin-turbocharged V8 engine producing 550 horsepower and 502 lb-ft of torque, paired with a 7-speed dual-clutch automatic transmission. Other engine options in the AMG GT lineup include the standard AMG GT with a lower-output version of the same V8, and the more potent AMG GT R with an even higher output version. Owners often praise the AMG GT C for its exhilarating performance, luxurious interior, and distinctive exhaust note. Common complaints often revolve around the firm ride, limited practicality due to its two-seater configuration, and relatively high running costs.

Engine

4.0L Twin-Turbo V8

• Oil Leaks
  • Description/Symptoms: Oil leaks can occur from various locations, including the valve cover gaskets, oil pan gasket, and turbocharger lines. Symptoms include visible oil drips, a burning oil smell, and low oil levels.
  • Solution: Replacing the leaking gasket or component. Thoroughly cleaning the affected areas to confirm the source of the leak after the repair.
  • Estimated Cost to Fix: $300 - $1,500+ (depending on the location and severity of the leak)
  • Recalls: None Found
• Turbocharger Issues
  • Description/Symptoms: Potential for turbocharger failure, leading to reduced power, excessive turbo noise (whining or screeching), and potentially check engine light activation.
  • Solution: Turbocharger replacement. Inspecting related components (oil lines, intercooler) for damage or contamination.
  • Estimated Cost to Fix: $3,000 - $6,000+ (including labor)
  • Recalls: None Found

Transmission

7-Speed Dual-Clutch Automatic (DCT)

• Rough Shifting/Hesitation
  • Description/Symptoms: Some owners have reported instances of rough or jerky shifting, particularly at lower speeds. Hesitation during acceleration or delayed gear changes can also occur.
  • Solution: Software updates, transmission adaptations, or in some cases, valve body replacement. Fluid flush.
  • Estimated Cost to Fix: $200 (for software update) - $3,000+ (for valve body replacement)
  • Recalls: None Found

Suspension

• Adaptive Damper Malfunctions
  • Description/Symptoms: The AMG GT C features adaptive dampers that can experience failures, leading to a harsh or bouncy ride, uneven handling, and potentially warning lights on the dashboard.
  • Solution: Replacement of the faulty damper. Diagnostic testing to pinpoint the specific damper causing the issue.
  • Estimated Cost to Fix: $1,000 - $2,500+ per damper (including labor)
  • Recalls: None Found

Electrical

• Infotainment System Glitches
  • Description/Symptoms: The MBUX infotainment system can experience glitches such as screen freezes, unresponsive touch controls, Bluetooth connectivity problems, and navigation errors.
  • Solution: Software updates, system resets, or, in some cases, replacement of the head unit.
  • Estimated Cost to Fix: $0 (for software updates) - $2,000+ (for head unit replacement)
  • Recalls: None Found
• Sensor Failures
  • Description/Symptoms: Various sensors can fail, leading to warning lights and malfunctioning systems. Examples include tire pressure sensors, parking sensors, and oxygen sensors.
  • Solution: Sensor replacement. Diagnostic testing to identify the specific faulty sensor.
  • Estimated Cost to Fix: $100 - $500+ per sensor (including labor)
  • Recalls: None Found

Exterior

• Convertible Top Issues (for Roadster Models)
  • Description/Symptoms: Problems with the convertible top mechanism, including slow operation, getting stuck, or failing to fully open or close.
  • Solution: Repair or replacement of the hydraulic cylinders, motors, or sensors involved in the convertible top operation.
  • Estimated Cost to Fix: $500 - $3,000+ (depending on the complexity of the issue)
  • Recalls: None Found

Interior

• No Issues Found

Summary

The 2021 Mercedes-Benz AMG GT C, while a desirable performance vehicle, can present owners with several potential issues. Engine oil leaks and turbocharger problems are potential concerns, which can be costly to address. Transmission issues, particularly rough shifting, might require software updates or, in more severe cases, valve body replacement. Suspension and electrical problems can also arise. Overall, while many of these issues might not affect every vehicle, prospective buyers should be aware of these potential problems and consider a thorough pre-purchase inspection. The severity of these issues range from minor software glitches to major mechanical repairs, with costs varying accordingly.