2021 Mercedes-Benz GLS63 AMG

2021 Mercedes-Benz GLS63 AMG

The 2021 Mercedes-Benz GLS63 AMG is a high-performance SUV that combines luxury with power. It features a twin-turbocharged 4.0-liter V8 engine producing 603 horsepower and 627 lb-ft of torque, paired with a 9-speed automatic transmission and all-wheel drive. Praised for its aggressive styling, spacious interior, and impressive performance, it is a sought-after choice among luxury SUV enthusiasts. However, like any car, it has some reported issues that potential buyers should be aware of.

Engine

• 4.0L V8 Biturbo
  • Turbocharger Failure: Symptoms include reduced power, excessive black smoke from the exhaust, and a burning smell. Solution involves replacing the faulty turbocharger. Estimated Cost to Fix: $2,500 - $4,000+
  • Engine Misfiring: Causes include faulty spark plugs or ignition coils. Solution involves diagnosing and replacing the affected components. Estimated Cost to Fix: $300 - $800+
• 4.0L V8 Non-Turbo
  • No Issues Found

Transmission

• 9-Speed Automatic
  • Transmission Jerking: Symptoms include sudden jerks or lurches while shifting between gears. Solution may involve updating the transmission software or replacing the valve body. Estimated Cost to Fix: $500 - $2,000+
  • Transmission Slippage: Occurs when the transmission fails to engage properly, resulting in a loss of power. Solution typically involves replacing the transmission clutch packs. Estimated Cost to Fix: $1,500 - $3,000+
• 7-Speed Automatic
  • No Issues Found

Suspension

• Air Suspension
  • Air Spring Leaks: Symptoms include uneven ride height, sagging suspension, or a hissing sound coming from the wheels. Solution involves replacing the faulty air spring. Estimated Cost to Fix: $700 - $1,200 per air spring
  • Air Compressor Failure: Causes include moisture damage or electrical faults. Solution involves replacing the air compressor. Estimated Cost to Fix: $1,000 - $1,500+

Electrical

• Infotainment System Malfunctions: Symptoms include freezing or unresponsive screens, distorted audio, or loss of functionality. Solution may involve software updates or hardware replacements. Estimated Cost to Fix: $500 - $2,000+
• Electrical Harness Issues: Faulty wiring can cause various electrical problems, such as flickering lights, power window failures, or engine control issues. Solution involves diagnosing and replacing the affected wires or harnesses. Estimated Cost to Fix: $500 - $2,000+

Exterior

• No Issues Found

Interior

• Climate Control Malfunctions: Symptoms may include uneven heating or cooling, fan noise, or refrigerant leaks. Troubleshooting requires checking for faulty sensors, actuators, or refrigerant system components. Estimated Cost to Fix: $500 - $2,000+
• Seat Electronics: Issues can range from inoperable adjustments to memory seat failure. Solution may involve replacing seat modules or repairing wiring. Estimated Cost to Fix: $300 - $1,000+

Summary

The 2021 Mercedes-Benz GLS63 AMG is an impressive luxury performance SUV, but it has some reported issues that potential buyers should be aware of. While some issues, such as turbocharger failure, can be costly to repair, others, like electrical malfunctions, may be more affordable to fix. It is important to note that not all vehicles will experience these problems, and the overall severity and cost of repairs can vary depending on the specific issue.