2021 Mercedes-Benz AMG GT R

The 2021 Mercedes-Benz AMG GT R is a high-performance sports car known for its aggressive styling and track-focused capabilities. It boasts a handcrafted 4.0-liter twin-turbocharged V8 engine that produces 577 horsepower and 516 lb-ft of torque. This engine is paired exclusively with a 7-speed dual-clutch automatic transmission. While praised for its exhilarating performance, precise handling, and luxurious interior, some owners have reported experiencing certain issues. Some common complaints revolve around the car’s stiff ride, limited practicality for daily use, and the potential for high maintenance costs.

Engine

4.0L Twin-Turbo V8

• Engine Misfires
  • Description/Symptoms: The engine experiences intermittent misfires, leading to rough idling, reduced power, and potential illumination of the check engine light. This issue is often related to faulty ignition coils or spark plugs, particularly after higher mileage.
  • Solution: Replacement of the affected ignition coils and spark plugs.
  • Estimated Cost to Fix: $500 - $1000+
  • Recalls: None Found
• Turbocharger Issues
  • Description/Symptoms: Some owners have reported issues with turbocharger failure, including leaks and or a loss of boost pressure. Symptoms include reduced acceleration, unusual noises from the engine bay, and potential check engine light.
  • Solution: Diagnosis and repair or replacement of the affected turbocharger unit.
  • Estimated Cost to Fix: $4,000 - $8,000+
  • Recalls: None Found

Transmission

7-Speed Dual-Clutch Automatic (AMG Speedshift DCT 7G)

• Harsh Shifting
  • Description/Symptoms: Some owners have noticed harsh or jerky shifting, particularly at lower speeds or during downshifts. This can be attributed to the transmission’s aggressive programming or potential issues with the clutch packs.
  • Solution: Transmission software recalibration or, in more severe cases, replacement of the clutch packs.
  • Estimated Cost to Fix: $300 - $500 (recalibration), $3,000 - $6,000+ (clutch pack replacement)
  • Recalls: None Found

Suspension

• Adaptive Damper Malfunctions
  • Description/Symptoms: The AMG GT R utilizes an adaptive damping system that allows for adjustable ride stiffness. Some owners have reported failures within this system, leading to a harsh or uneven ride, as well as error messages on the dashboard. This can stem from faulty sensors, actuators, or wiring issues.
  • Solution: Diagnosis and replacement of the faulty damper components.
  • Estimated Cost to Fix: $1,000 - $2,500+ per damper
  • Recalls: None Found

Electrical

• Sensor Failures
  • Description/Symptoms: Various sensor failures can occur, including those related to the tire pressure monitoring system (TPMS), oxygen sensors, and other engine management sensors. These failures can trigger warning lights on the dashboard and potentially affect vehicle performance.
  • Solution: Diagnosis and replacement of the faulty sensors.
  • Estimated Cost to Fix: $100 - $500+ per sensor, depending on location and type.
  • Recalls: None Found

Exterior

• Rear Wing Actuator Failure
  • Description/Symptoms: The electronically controlled rear wing may experience issues with its actuator mechanism, leading to improper deployment or failure to adjust.
  • Solution: Replacement of the wing actuator.
  • Estimated Cost to Fix: $1,000 - $3,000+
  • Recalls: None Found

Interior

• Infotainment System Glitches
  • Description/Symptoms: The MBUX infotainment system can experience occasional glitches, freezing, or connectivity issues. This may involve problems with the navigation, audio system, or smartphone integration.
  • Solution: Software updates or, in more severe cases, replacement of the infotainment unit.
  • Estimated Cost to Fix: $0 (software updates) - $2,000+ (unit replacement)
  • Recalls: None Found

In summary, the 2021 Mercedes-Benz AMG GT R, while a remarkable performance vehicle, is not without its potential issues. Owners should be aware of potential engine misfires and turbocharger problems, as well as the potential for transmission harshness and sensor failures. Suspension and infotainment system issues may also arise. The severity and cost of these issues can vary, but it’s essential to be prepared for potentially high repair bills.