2018 Mercedes-Benz AMG GT

The 2018 Mercedes-Benz AMG GT is a high-performance sports car known for its powerful engine, luxurious interior, and sleek design. Several engine options are available, including the AMG 4.0L biturbo V8 which produces 469 horsepower and 465 lb-ft of torque in the base GT model. Higher performance versions, like the GT S, GT C, and GT R, offer increased power output. The car is widely praised for its exhilarating performance, sporty handling, and distinctive exhaust note. However, some owners have reported issues with reliability, particularly regarding electronics and the infotainment system. Others find the ride quality to be firm and the interior space somewhat limited. All AMG GT models utilize a 7-speed dual-clutch automatic transmission.

Engine

AMG 4.0L Biturbo V8

• Oil Leaks
  • Description/Symptoms: Oil leaks can occur from various points on the engine, 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 faulty gaskets or seals.
  • Estimated Cost to Fix: $200 - $1,500+ depending on the location and severity of the leak.
  • Recalls: None Found
• Turbocharger Issues
  • Description/Symptoms: Some owners have reported issues with the turbochargers, including excessive noise, reduced boost pressure, and even failure.
  • Solution: Turbocharger replacement or repair.
  • Estimated Cost to Fix: $3,000 - $6,000+
  • Recalls: None Found
• Fuel Injector Problems
  • Description/Symptoms: Symptoms include rough idle, misfires, poor fuel economy, and potential check engine light activation.
  • Solution: Diagnosis and replacement of faulty fuel injectors.
  • Estimated Cost to Fix: $800 - $2,000+
  • Recalls: None Found

Transmission

7-Speed Dual-Clutch Automatic Transmission

• Rough Shifting
  • Description/Symptoms: Some owners have noted rough or jerky shifting, especially at lower speeds or during downshifts. This can be accompanied by clunking noises.
  • Solution: Transmission software update, fluid flush, or in some cases, replacement of damaged components like clutch packs.
  • Estimated Cost to Fix: $300 (for fluid flush) - $8,000+ (for major repair/replacement)
  • Recalls: None Found
• Transmission Slippage
  • Description/Symptoms: Transmission slipping during acceleration or gear changes.
  • Solution: Valve body replacement, clutch pack replacement, or complete transmission replacement.
  • Estimated Cost to Fix: $2,000 - $10,000+
  • Recalls: None Found

Suspension

• Air Suspension Problems (If Equipped)
  • Description/Symptoms: Some AMG GT models are equipped with air suspension. Issues can include sagging of the vehicle, particularly overnight, a bumpy ride, and error messages related to the air suspension system. This can be due to leaks in the air springs or issues with the air compressor.
  • Solution: Replacement of faulty air springs or compressor.
  • Estimated Cost to Fix: $1,000 - $3,000+ per corner
  • Recalls: None Found

Electrical

• Infotainment System Malfunctions
  • Description/Symptoms: The COMAND infotainment system can experience glitches, freezing, screen blackouts, and navigation errors.
  • Solution: Software updates, module replacement.
  • Estimated Cost to Fix: $200 - $2,000+
  • Recalls: None Found
• Sensor Failures
  • Description/Symptoms: Various sensors, such as parking sensors, blind-spot monitoring sensors, and tire pressure sensors, may fail, causing error messages or malfunctioning systems.
  • Solution: Diagnosis and replacement of faulty sensors.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• No Issues Found

Summary:

The 2018 Mercedes-Benz AMG GT offers exhilarating performance, but some owners have reported reliability issues. Engine oil leaks and turbocharger problems can be costly to repair. Transmission issues, particularly rough shifting, are also a concern. Electrical issues, especially with the infotainment system, can be frustrating. While not all vehicles experience these problems, potential buyers should be aware of them and factor in potential repair costs. Severity varies, but engine and transmission repairs can be expensive.