2017 Mercedes-Benz G63 AMG

The 2017 Mercedes-Benz G63 AMG is an iconic and powerful SUV known for its ruggedness, distinctive styling, and luxurious interior. It is equipped with a hand-built 5.5-liter twin-turbocharged V8 engine producing 563 horsepower and 561 lb-ft of torque, paired with a 7-speed AMG Speedshift Plus 7G-Tronic transmission. While owners appreciate its unique blend of off-road capability, luxurious appointments, and powerful performance, the G63 AMG can be prone to certain issues. Common complaints include high running costs, relatively poor fuel economy, and some reliability concerns stemming from its complex engineering.

Engine

5.5L Twin-Turbocharged V8

• Oil Leaks
  • Description/Symptoms: Oil leaks are common from various points on the engine, including the valve cover gaskets, oil filter housing, and rear main seal. Symptoms include visible oil puddles under the vehicle, a burning oil smell, and low oil levels.
  • Solution: Replacing the leaking gaskets or seals.
  • Estimated Cost to Fix: $200 - $1500+
• Turbocharger Issues
  • Description/Symptoms: The turbochargers can experience failures, leading to reduced power, whistling noises, and potentially check engine lights.
  • Solution: Replacing or rebuilding the faulty turbocharger(s).
  • Estimated Cost to Fix: $3,000 - $8,000+
• Check Engine Light
  • Description/Symptoms: A wide array of issues with the engine can cause the check engine light to illuminate. The most common causes are O2 sensor failures, MAP sensor failures, and MAF sensor failures.
  • Solution: Scan the car with an OBDII scanner to determine the cause of the light, and then replace any failed components.
  • Estimated Cost to Fix: $100-$1000+

Transmission

7-Speed AMG Speedshift Plus 7G-Tronic

• Harsh Shifting
  • Description/Symptoms: Some owners report experiencing harsh or jerky shifting, particularly between lower gears.
  • Solution: A software update to the transmission control module (TCM) may resolve the issue. In some cases, a valve body replacement is needed.
  • Estimated Cost to Fix: $200-$2000+
• Torque Converter Issues
  • Description/Symptoms: Torque converter issues can result in shuddering, slipping, or hesitation during acceleration.
  • Solution: Replacing the torque converter.
  • Estimated Cost to Fix: $1,500 - $3,500+

Suspension

• Air Suspension Problems
  • Description/Symptoms: The air suspension system can experience leaks or compressor failures, leading to the vehicle sitting unevenly or not maintaining the correct ride height.
  • Solution: Replacing the faulty air struts, compressor, or air lines.
  • Estimated Cost to Fix: $1,000 - $4,000+

Electrical

• COMAND System Malfunctions
  • Description/Symptoms: The COMAND infotainment system can sometimes freeze, crash, or exhibit other glitches.
  • Solution: Software updates, or in some cases, replacement of the COMAND unit.
  • Estimated Cost to Fix: $200 - $3,000+
• Sensor Failures
  • Description/Symptoms: Various sensors can fail, triggering warning lights or affecting vehicle performance (e.g., ABS sensors, parking sensors).
  • Solution: Replacing the faulty sensor.
  • Estimated Cost to Fix: $100 - $500+

Exterior

No Issues Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof malfunctions, including getting stuck open or closed, or producing excessive noise during operation.
  • Solution: Repair or replacement of the sunroof motor, tracks, or other components.
  • Estimated Cost to Fix: $300 - $1,500+

Recalls:

• NHTSA Recall Number: 17V745000

Summary: The 2017 Mercedes-Benz G63 AMG offers a unique driving experience, but it’s important to be aware of potential issues. Engine oil leaks, turbocharger problems, and air suspension malfunctions appear to be the most significant concerns based on frequency and cost. Electrical issues with the COMAND system and sunroof malfunctions also surface as notable complaints. The severity of these issues ranges from minor inconveniences to major repairs, with associated costs spanning from a few hundred dollars to several thousand, so inspecting the vehicle before purchasing and keeping up with service and maintenance is important.