2020 Mercedes-Benz AMG GT 63 S

The 2020 Mercedes-Benz AMG GT 63 S is a high-performance luxury sedan renowned for its powerful engine, sporty handling, and luxurious interior. The AMG GT 63 S comes standard with a handcrafted 4.0-liter twin-turbo V8 engine producing 630 horsepower and 664 lb-ft of torque. Some owners praise the vehicle’s thrilling acceleration, refined interior, and advanced technology features. Common complaints include the vehicle’s high price tag, firm ride quality, and complex infotainment system. Other engine options available for the 2020 AMG GT 63 include a detuned version of the same 4.0-liter twin-turbo V8 producing 577 horsepower and 590 lb-ft of torque. Both engine options are paired with the AMG SPEEDSHIFT MCT 9-speed automatic transmission.

Engine

4.0L Twin-Turbo V8 (M177)

• Oil Leaks
  • Description/Symptoms: Oil leaks may occur from various locations on the engine, including the valve cover gaskets, timing chain covers, and turbocharger oil lines. Symptoms include visible oil puddles under the vehicle, a burning oil smell, and low oil levels.
  • Solution: Replacing the faulty gaskets or seals, and tightening or replacing any loose or damaged components.
  • Estimated Cost to Fix: $200 - $2,000+ (depending on the location and severity of the leak)
  • Recalls: None Found
• Turbocharger Issues
  • Description/Symptoms: Turbocharger failure can lead to reduced engine power, increased exhaust smoke, and unusual noises from the engine compartment.
  • Solution: Replacing the faulty turbocharger.
  • Estimated Cost to Fix: $3,000 - $6,000+
  • Recalls: None Found

Transmission

AMG SPEEDSHIFT MCT 9-Speed Automatic (9G-Tronic)

• Rough Shifting
  • Description/Symptoms: Some owners have reported harsh or jerky shifting, particularly during low-speed acceleration or deceleration.
  • Solution: Software update, transmission fluid flush, or in severe cases, valve body replacement.
  • Estimated Cost to Fix: $300 - $3,000+
  • Recalls: None Found
• Delayed Engagement
  • Description/Symptoms: Delays in gear engagement, especially when shifting from park or neutral into drive or reverse.
  • Solution: Software update or valve body replacement.
  • Estimated Cost to Fix: $500 - $3,000+
  • Recalls: None Found

Suspension

• Air Suspension Malfunctions (AMG Ride Control+)
  • Description/Symptoms: Issues with the air suspension system can cause the vehicle to sit unevenly, display warning lights, or experience a harsh ride. This is a known issue with the Airmatic system.
  • Solution: Replacing faulty air struts, air compressor, or control module.
  • Estimated Cost to Fix: $1,500 - $4,000+
  • Recalls: None Found
• Adaptive Damper Issues
  • Description/Symptoms: Adaptive dampers may fail, resulting in a loss of ride quality and handling performance.
  • Solution: Replacing the faulty dampers.
  • Estimated Cost to Fix: $1,000 - $3,000+
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Crashing (MBUX)
  • Description/Symptoms: The MBUX infotainment system may freeze, crash, or experience glitches, requiring a restart.
  • Solution: Software update or replacement of the infotainment system’s main unit.
  • Estimated Cost to Fix: $0 (software update) - $2,000+ (unit replacement)
  • Recalls: None Found
• Sensor Malfunctions (Parking Sensors, Blind Spot Monitoring)
  • Description/Symptoms: Malfunctioning sensors can lead to inaccurate readings or failure of safety systems like parking assist or blind spot monitoring.
  • Solution: Replacing the faulty sensors.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found
• Battery Drain Issues
  • Description/Symptoms: Some owners have reported premature battery drain, especially when the vehicle is not driven frequently.
  • Solution: Identify and repair parasitic draws, replace the battery, or update the vehicle’s software.
  • Estimated Cost to Fix: $150 - $500+
  • Recalls: None Found

Exterior

• Sunroof/Moonroof Issues
  • Description/Symptoms: The sunroof may become stuck, make unusual noises, or leak.
  • Solution: Repairing or replacing the sunroof motor, track, or seals.
  • Estimated Cost to Fix: $300 - $1,500+
  • Recalls: None Found

Interior

• Seat Motor Malfunctions
  • Description/Symptoms: The seat motors may fail, preventing the seats from adjusting properly.
  • Solution: Replacing the faulty seat motor.
  • Estimated Cost to Fix: $300 - $1,000+
  • Recalls: None Found
• Trim Rattles
  • Description/Symptoms: Rattling noises may develop from various interior trim panels.
  • Solution: Securing or replacing the loose trim panels.
  • Estimated Cost to Fix: $50 - $500+
  • Recalls: None Found

Summary

The 2020 Mercedes-Benz AMG GT 63 S offers exceptional performance and luxury, but owners have reported a range of issues. Engine and transmission problems, while not widespread, can be costly to repair. Electrical issues, especially with the MBUX system, are relatively common. Suspension problems are fairly common as well, and can be costly to fix. Interior and exterior issues are generally less severe. Overall, potential buyers should be aware of these potential issues and consider a thorough pre-purchase inspection. The severity and cost of repairs can vary widely, making it important to address any concerns promptly.