2020 Mercedes-Benz GLE63 AMG

The 2020 Mercedes-Benz GLE63 AMG is a high-performance SUV that blends luxury with exhilarating power. It is powered by a 4.0-liter twin-turbo V8 engine, producing 603 horsepower and 627 lb-ft of torque. Other engine options include the GLE 350 with a 2.0-liter turbo inline-4, the GLE 450 with a 3.0-liter turbo inline-6, and the GLE 580 with a 4.0-liter twin-turbo V8. All engine options are paired with a 9-speed automatic transmission. Owners often praise its blistering acceleration, luxurious interior, and advanced technology. Common dislikes include its high price, potential for complex repairs, and firm ride (especially with the AMG-tuned suspension).

Engine

4.0L Twin-Turbo V8 (M177)

• 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 leaking gaskets or lines is the typical solution. Thorough cleaning of the affected areas is also recommended.
  • Estimated Cost to Fix: $200 - $2000+ depending on the location and severity of the leak.
  • Recalls: None Found
• Turbocharger Issues
  • Description/Symptoms: Some owners have reported turbocharger failures or inefficiencies, leading to reduced power, unusual noises (whining or whistling), and potential engine damage.
  • Solution: Turbocharger replacement is often necessary.
  • Estimated Cost to Fix: $3,000 - $6,000+ per turbocharger.
  • Recalls: None Found
• Misfires
  • Description/Symptoms: Engine misfires can be caused by faulty spark plugs, ignition coils, or fuel injectors. Symptoms include rough idling, reduced power, and a check engine light.
  • Solution: Diagnosis with a scanner is crucial to pinpoint the affected cylinder(s) and component(s). Replacement of the faulty part(s) is the fix.
  • Estimated Cost to Fix: $100 - $500+ per cylinder depending on the component that failed.
  • Recalls: None Found

Transmission

9G-Tronic 9-Speed Automatic (725.0)

• Rough Shifting
  • Description/Symptoms: Some owners have reported experiencing rough or jerky shifting, particularly during low-speed maneuvers or when shifting between gears.
  • Solution: A software update may resolve the issue. If the problem persists, a transmission fluid flush or valve body replacement might be necessary.
  • Estimated Cost to Fix: $150 - $2,500+ depending on the fix.
  • Recalls: None Found
• Delayed Engagement
  • Description/Symptoms: Delay when shifting into Drive or Reverse.
  • Solution: Software update or valve body replacement.
  • Estimated Cost to Fix: $150 - $2,500+ depending on the fix.
  • Recalls: None Found

Suspension

• Air Suspension Malfunctions
  • Description/Symptoms: The GLE63 AMG is equipped with an air suspension system. Issues can arise with the air struts, compressor, or control module, resulting in a ride height that is too low, uneven, or a complete failure of the suspension. Error messages on the dashboard are common.
  • Solution: Diagnosis of the faulty component is essential. Replacement of the air strut(s), compressor, or control module is often required.
  • Estimated Cost to Fix: $1,000 - $3,000+ per strut; $800 - $1,500+ for the compressor; $500 - $1,200+ for the control module.
  • Recalls: None Found

Electrical

• Infotainment System Issues
  • Description/Symptoms: The MBUX infotainment system can experience glitches, freezing, or complete failures. Connectivity problems with smartphones are also reported.
  • Solution: Software updates may resolve some issues. In more severe cases, replacement of the head unit may be necessary.
  • Estimated Cost to Fix: $0 for software updates; $1,000 - $3,000+ for head unit replacement.
  • Recalls: None Found
• Sensor Malfunctions
  • Description/Symptoms: Issues can arise with various sensors, including those related to the parking assist system, blind-spot monitoring, and lane-keeping assist. These malfunctions can lead to inaccurate readings or complete system failures.
  • Solution: Diagnosis with a scanner is required to identify the faulty sensor. Replacement of the sensor is the fix.
  • Estimated Cost to Fix: $200 - $800+ per sensor.
  • Recalls: None Found

Interior

• Sunroof/Moonroof Problems
  • Description/Symptoms: Some owners have reported issues with the sunroof or moonroof, including difficulty opening or closing, unusual noises, or leaks.
  • Solution: Diagnosis of the mechanical components or seals is needed. Repair or replacement of the faulty parts is the fix.
  • Estimated Cost to Fix: $300 - $1,500+.
  • Recalls: None Found

Exterior

• No Issues Found

Summary

The 2020 Mercedes-Benz GLE63 AMG, while a high-performing and luxurious SUV, has potential issues that owners should be aware of. The engine and transmission issues can range from relatively minor (oil leaks, rough shifting) to more serious (turbocharger failures), with associated costs varying accordingly. Air suspension malfunctions and electrical glitches are also common concerns, and can be costly to repair. Overall, potential buyers should factor in the possibility of higher-than-average maintenance and repair costs when considering this vehicle.