2020 Mercedes-Benz G63 AMG

The 2020 Mercedes-Benz G63 AMG is a high-performance SUV known for its rugged off-road capabilities, luxurious interior, and distinctive boxy styling. Powered by a handcrafted 4.0-liter twin-turbocharged V8 engine, it produces 577 horsepower and 627 lb-ft of torque. This engine is paired exclusively with a 9G-TRONIC 9-speed automatic transmission. Owners typically praise the G63 AMG for its powerful engine, luxurious appointments, and iconic design. Common complaints often revolve around its high price, poor fuel economy, and less-than-agile handling compared to other SUVs.

Engine

4.0L Twin-Turbo V8

• Turbocharger Failure
  • Description/Symptoms: Whining noise from the engine bay, reduced power, check engine light. Can sometimes lead to complete turbo failure.
  • Solution: Replacement of the faulty turbocharger(s).
  • Estimated Cost to Fix: $4,000 - $8,000+
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Coolant level dropping rapidly, visible coolant leaks under the vehicle, engine overheating.
  • Solution: Repair or replacement of leaking hoses, water pump, or radiator.
  • Estimated Cost to Fix: $500 - $2,000+
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Visible oil leaks under the vehicle, burning oil smell, low oil level.
  • Solution: Replacement of leaking seals, gaskets, or oil pan.
  • Estimated Cost to Fix: $300 - $1,500+
  • Recalls: None Found

Transmission

9G-TRONIC 9-Speed Automatic

• Rough Shifting
  • Description/Symptoms: Harsh or jerky shifts between gears, especially during low-speed acceleration or deceleration.
  • Solution: Software update, transmission fluid flush, or valve body replacement.
  • Estimated Cost to Fix: $200 - $3,000+
  • Recalls: None Found
• Delayed Engagement
  • Description/Symptoms: Delay when shifting into drive or reverse, especially when the transmission is cold.
  • Solution: Transmission fluid flush, valve body replacement, or transmission replacement.
  • Estimated Cost to Fix: $200 - $7,000+
  • Recalls: None Found

Suspension

• Air Suspension Compressor Failure
  • Description/Symptoms: Vehicle sitting unevenly, suspension warning light, inability to adjust ride height.
  • Solution: Replacement of the air suspension compressor.
  • Estimated Cost to Fix: $1,200 - $2,500+
  • Recalls: None Found
• Air Spring Leaks
  • Description/Symptoms: Hissing sound from the suspension, vehicle sitting low on one or more corners, suspension warning light.
  • Solution: Replacement of the leaking air spring(s).
  • Estimated Cost to Fix: $800 - $2,000+ per spring
  • Recalls: None Found

Electrical

• Malfunctioning COMAND System
  • Description/Symptoms: Infotainment system freezing, glitching, or failing to respond to inputs.
  • Solution: Software update or replacement of the COMAND unit.
  • Estimated Cost to Fix: $300 - $2,500+
  • Recalls: None Found
• Sensor Malfunctions
  • Description/Symptoms: Issues with parking sensors, blind-spot monitoring, or other driver-assistance systems.
  • Solution: Replacement of the faulty sensor(s).
  • Estimated Cost to Fix: $200 - $800+ per sensor
  • Recalls: None Found

Exterior

• Sunroof Issues
  • Description/Symptoms: Sunroof failing to open or close properly, leaking when closed.
  • Solution: Repair or replacement of sunroof motor or seals.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Interior

• Seat Motor Failure
  • Description/Symptoms: Seats not adjusting properly, motor making clicking noises.
  • Solution: Replacement of the seat motor.
  • Estimated Cost to Fix: $300 - $1,000+ per seat
  • Recalls: None Found
• Rattling Noises
  • Description/Symptoms: Rattling or squeaking noises coming from various interior panels.
  • Solution: Tightening or replacing loose fasteners, adding sound dampening material.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Summary

The 2020 Mercedes-Benz G63 AMG, while a desirable vehicle, does have some potential issues. Engine and transmission problems can be costly, while suspension and electrical issues are less severe but still require attention. Addressing these issues promptly can prevent more extensive damage and ensure the vehicle’s continued performance and reliability. The cost of repair can range from a few hundred dollars for minor issues to several thousand dollars for major engine or transmission repairs.