2019 Mercedes-Benz AMG GT 63

The 2019 Mercedes-Benz AMG GT 63 is a high-performance luxury sedan that boasts impressive power and sleek styling. It offers a compelling blend of performance and practicality, which makes it a popular choice for driving enthusiasts. Engine options include the hand-built AMG 4.0L V8 biturbo engine, available in various states of tune. The AMG GT 63 is rated at 577 horsepower and 590 lb-ft of torque. The AMG GT 63 S ups the ante to 630 horsepower and 664 lb-ft of torque. What people generally like about this vehicle is its powerful engine, impressive handling, luxurious interior, and attractive design. Common dislikes include the high price tag, complex infotainment system, and firm ride quality. All models are equipped with an AMG SPEEDSHIFT MCT 9-speed automatic transmission.

Engine

4.0L V8 Biturbo (GT 63)

• Turbocharger Failure
  • Description/Symptoms: Whining noise from the engine, reduced power, check engine light. Can be caused by oil starvation or degradation, or excessive heat.
  • Solution: Replacement of the turbocharger(s). It is often recommended to replace both turbochargers at the same time.
  • Estimated Cost to Fix: $4,000 - $8,000+ (parts and labor, per turbocharger replacement).
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Oil drips under the vehicle, burning oil smell, low oil level warning light.
  • Solution: Identify the source of the leak (valve cover gaskets, oil pan gasket, rear main seal are common culprits) and replace the affected gaskets or seals.
  • Estimated Cost to Fix: $200 - $2,000+ (depending on the location and complexity of the repair).
  • Recalls: None Found

4.0L V8 Biturbo (GT 63 S)

• Turbocharger Failure
  • Description/Symptoms: Whining noise from the engine, reduced power, check engine light. Can be caused by oil starvation or degradation, or excessive heat. The ‘S’ model’s higher output puts additional stress on the turbochargers.
  • Solution: Replacement of the turbocharger(s). It is often recommended to replace both turbochargers at the same time.
  • Estimated Cost to Fix: $4,000 - $8,000+ (parts and labor, per turbocharger replacement).
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Oil drips under the vehicle, burning oil smell, low oil level warning light.
  • Solution: Identify the source of the leak (valve cover gaskets, oil pan gasket, rear main seal are common culprits) and replace the affected gaskets or seals.
  • Estimated Cost to Fix: $200 - $2,000+ (depending on the location and complexity of the repair).
  • Recalls: None Found

Transmission

AMG SPEEDSHIFT MCT 9-Speed Automatic

• Rough Shifting
  • Description/Symptoms: Harsh or jerky shifts, especially between certain gears. Hesitation or delay when shifting.
  • Solution: Start with a transmission fluid flush and filter change. If the problem persists, valve body repair or replacement may be necessary. In severe cases, a full transmission rebuild or replacement might be required.
  • Estimated Cost to Fix: $300 - $7,000+ (depending on the severity and the required repair).
  • Recalls: None Found
• Transmission Slipping
  • Description/Symptoms: The engine revs up without a corresponding increase in speed. Loss of power or acceleration.
  • Solution: Check transmission fluid level and condition. Valve body replacement or complete transmission replacement could be necessary.
  • Estimated Cost to Fix: $300 - $7,000+ (depending on the severity and the required repair).
  • Recalls: None Found

Suspension

• Air Suspension Issues
  • Description/Symptoms: The vehicle sits unevenly, the suspension compressor runs constantly, suspension malfunction warning light.
  • Solution: Diagnose and repair or replace the faulty air strut, air spring, or air compressor. Check for leaks in the air lines.
  • Estimated Cost to Fix: $1,000 - $4,000+ (depending on the affected component and the complexity of the repair).
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: The infotainment screen freezes, becomes unresponsive, or reboots unexpectedly.
  • Solution: Software updates can sometimes resolve these issues. If the problem persists, the infotainment unit might need to be replaced.
  • Estimated Cost to Fix: $0 (for software updates) - $2,000+ (for unit replacement).
  • Recalls: None Found
• Sensor Failures
  • Description/Symptoms: Malfunction indicator lamps illuminate on the dashboard. Symptoms may vary depending on the affected sensor (e.g., parking sensors, blind-spot monitoring sensors).
  • Solution: Replace the faulty sensor and clear the error codes.
  • Estimated Cost to Fix: $200 - $1,000+ (depending on the sensor and labor).
  • Recalls: None Found

Exterior

• Headlight Malfunctions
  • Description/Symptoms: LED headlights flicker, dim, or fail completely.
  • Solution: Replace the affected headlight assembly. These are often expensive due to the complexity of the LED lighting systems.
  • Estimated Cost to Fix: $1,500 - $4,000+ (per headlight assembly).
  • Recalls: None Found

Interior

• Seat Malfunctions
  • Description/Symptoms: Power seats fail to adjust, heating or cooling elements stop working.
  • Solution: Diagnose and repair the faulty seat motor, switch, or heating/cooling element.
  • Estimated Cost to Fix: $300 - $1,500+ (depending on the complexity of the repair).
  • Recalls: None Found

Summary

The 2019 Mercedes-Benz AMG GT 63 is a performance-oriented luxury vehicle that, while impressive, can suffer from a range of issues. The most concerning are potential turbocharger failures and transmission problems, both of which can be very expensive to repair. Electrical gremlins in the infotainment system and suspension issues also contribute to the potential ownership costs. Owners should be prepared for potentially high maintenance and repair bills.