2016 Mercedes-Benz GLE63 AMG

The 2016 Mercedes-Benz GLE63 AMG is a high-performance SUV that blends luxury with thrilling power. The GLE lineup also included the GLE350, GLE400, GLE550e, and GLE63 S AMG models. The GLE63 AMG is equipped with a hand-built 5.5-liter twin-turbocharged V8 engine producing 550 horsepower and 516 lb-ft of torque. It is paired with a 7-speed AMG SPEEDSHIFT MCT transmission. Owners often praise the GLE63 AMG for its blistering acceleration, comfortable and luxurious interior, and distinctive styling. However, some common complaints include the high running costs, complex electronics that can be prone to glitches, and firm ride quality, especially on models with larger wheels.

Engine

5.5L Twin-Turbo V8 (M157)

• Oil Leaks
  • Description/Symptoms: Oil leaks can occur from various locations, including the valve cover gaskets, oil cooler lines, and the rear main seal. Symptoms include visible oil leaks on the engine or garage floor, a burning oil smell, and low oil level warnings.
  • Solution: Replacing the leaking gaskets or seals. Retorquing bolts might help in some cases, but replacement is often necessary.
  • Estimated Cost to Fix: $200 - $2000+ depending on the location and complexity of the repair.
• Turbocharger Issues
  • Description/Symptoms: Turbochargers can fail or exhibit issues such as wastegate malfunction or bearing failure. Symptoms may include a loss of power, unusual noises (whining, screeching), and potentially check engine lights.
  • Solution: Replacing the affected turbocharger. Diagnosing and addressing any underlying issues causing premature failure.
  • Estimated Cost to Fix: $2,000 - $5,000+ per turbo.
• High-Pressure Fuel Pump (HPFP) Failure
  • Description/Symptoms: Difficulty starting, rough idling, loss of power, or stalling can be indicators of a failing HPFP.
  • Solution: Replacing the HPFP.
  • Estimated Cost to Fix: $1,500 - $3,000+

Transmission

7-Speed AMG SPEEDSHIFT MCT (722.9)

• Rough Shifting/Hesitation
  • Description/Symptoms: Abrupt or harsh gear changes, especially during downshifts. Hesitation or delayed engagement when accelerating from a stop.
  • Solution: Replacing the conductor plate (valve body)
  • Estimated Cost to Fix: $1,500 - $3,000+
• Torque Converter Issues
  • Description/Symptoms: Shuddering or vibrations at low speeds, especially during light acceleration.
  • Solution: Replacing the torque converter.
  • Estimated Cost to Fix: $1,500 - $3,500+

Suspension

• Air Suspension Failure (Airmatic)
  • Description/Symptoms: Vehicle sagging or leaning to one side, failure to maintain ride height, harsh ride, compressor running constantly or not at all.
  • Solution: Replacing the affected air springs, struts, or the air suspension compressor. Checking for leaks in the air lines.
  • Estimated Cost to Fix: $1,000 - $4,000+ per corner, depending on the component.

Electrical

• COMAND System Issues
  • Description/Symptoms: Freezing, slow response, navigation errors, or complete system failure of the infotainment system.
  • Solution: Software updates or replacement of the COMAND unit.
  • Estimated Cost to Fix: $500 - $2,500+
• Battery Drain
  • Description/Symptoms: Dead battery, especially after short periods of inactivity.
  • Solution: Diagnosing and addressing the source of the parasitic drain (e.g., faulty module, aftermarket accessories). Replacing the battery if necessary.
  • Estimated Cost to Fix: $100 - $500+ depending on the cause and parts needed.

Exterior

• No Issues Found

Interior

• Seat Heater Malfunction
  • Description/Symptoms: Seat heaters not working or only partially working.
  • Solution: Replacing the heating element in the seat.
  • Estimated Cost to Fix: $300 - $1,000+

Summary

The 2016 Mercedes-Benz GLE63 AMG offers incredible performance but can be prone to several potentially costly issues. Engine oil leaks and turbocharger problems are significant concerns. Transmission issues and air suspension failures add to the maintenance burden. Electrical problems with the COMAND system and battery drain can also be frustrating. While some issues are minor, many can lead to expensive repairs, making thorough pre-purchase inspections and budgeting for potential maintenance crucial.