2023 Mercedes-Benz GLE63 AMG S

The 2023 Mercedes-Benz GLE63 AMG S is a high-performance SUV that blends luxury with exhilarating power. It comes standard with a handcrafted 4.0-liter V8 biturbo engine producing 603 horsepower and 627 lb-ft of torque, paired with an AMG SPEEDSHIFT TCT 9-speed automatic transmission. While lauded for its impressive acceleration, refined interior, and advanced technology, some owners have reported experiencing specific issues. Common criticisms include the high price tag, firm ride, and complexity of the infotainment system. No other engine/transmission options are available for the GLE63 AMG S model.

Engine

4.0L V8 Biturbo

• Turbocharger Failure
  • Description/Symptoms: Whining noise from the engine, loss of power, check engine light. Some owners have reported premature turbocharger failure.
  • Solution: Replacement of the faulty turbocharger(s).
  • Estimated Cost to Fix: $5,000 - $10,000+
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Visible oil leaks under the vehicle, burning oil smell, low oil level warning light. Common areas include valve cover gaskets, oil filter housing, and rear main seal.
  • Solution: Replacement of the leaking gasket or seal.
  • Estimated Cost to Fix: $500 - $2,500+
  • Recalls: None Found

Transmission

AMG SPEEDSHIFT TCT 9-Speed Automatic

• Harsh Shifting
  • Description/Symptoms: Noticeable jolts or clunking sounds during gear changes, especially at lower speeds.
  • Solution: Software update to the transmission control module (TCM) or replacement of valve body if the issue persists.
  • Estimated Cost to Fix: $200 - $4,000+
  • Recalls: None Found
• Delayed Engagement
  • Description/Symptoms: A pause or delay when shifting from park or neutral into drive or reverse.
  • Solution: Software update to the transmission control module (TCM). If unsuccessful, replacement of the valve body or complete transmission overhaul might be needed.
  • Estimated Cost to Fix: $200 - $8,000+
  • Recalls: None Found

Suspension

• Air Suspension Malfunctions (AMG Ride Control+ / AIRMATIC)
  • Description/Symptoms: Vehicle sitting unevenly, suspension warning lights illuminated, compressor noise, ride height not adjusting properly.
  • Solution: Diagnosis and replacement of faulty air struts, air compressor, or air lines.
  • Estimated Cost to Fix: $1,500 - $4,000+ per strut; $800 - $2,000+ for compressor
  • Recalls: None Found

Electrical

• MBUX Infotainment System Issues
  • Description/Symptoms: System freezing, crashing, slow response times, Bluetooth connectivity problems, navigation errors.
  • Solution: Software update, system reset, or replacement of the MBUX control unit.
  • Estimated Cost to Fix: $0 - $2,000+ (depending on warranty coverage)
  • Recalls: None Found
• Sensor Failures
  • Description/Symptoms: Malfunctions in parking sensors, blind spot monitoring, lane keeping assist, or other driver assistance systems.
  • Solution: Diagnosis and replacement of the faulty sensor.
  • Estimated Cost to Fix: $300 - $1,000+ per sensor
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Sunroof Rattling/Squeaking
  • Description/Symptoms: Unwanted noises emanating from the sunroof area, especially when driving on uneven surfaces.
  • Solution: Lubrication of the sunroof tracks and seals, or adjustment of the sunroof mechanism.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found
• Seat Motor Failure
  • Description/Symptoms: The driver or passenger seat no longer moves forward, backward, up, or down due to a failing motor.
  • Solution: Replacement of the seat motor.
  • Estimated Cost to Fix: $500 - $1,500+
  • Recalls: None Found

Summary The 2023 Mercedes-Benz GLE63 AMG S, while offering exceptional performance and luxury, can be prone to specific issues. The most significant concerns revolve around the engine (turbocharger failure and oil leaks), transmission (harsh shifting), suspension (air suspension malfunctions), and electrical systems (MBUX issues and sensor failures). The severity of these issues can range from minor inconveniences to major repairs with costs spanning from a few hundred dollars to several thousand. Potential buyers should be aware of these potential problems and consider a thorough pre-purchase inspection.