2022 Mercedes-Benz GLE450

The 2022 Mercedes-Benz GLE450 is a popular luxury SUV known for its comfortable ride, spacious interior, and advanced technology. It features a 3.0-liter inline-6 turbocharged engine with mild hybrid drive, producing 362 horsepower and 369 lb-ft of torque. Other engine options available for the 2022 GLE include a 2.0-liter inline-4 turbo (GLE 350), a more powerful version of the inline-6 (GLE 53 AMG), and a 4.0-liter V8 (GLE 580 & GLE 63 S AMG). The sole transmission option is a 9-speed automatic. Many owners appreciate the GLE’s luxurious features, smooth ride, and quiet cabin. Some common complaints revolve around the complexity of the MBUX infotainment system and occasional electronic glitches.

Engine

3.0L Inline-6 Turbo (M256)

• Rough Idle/Hesitation on Cold Start
  • Description/Symptoms: Some owners have reported a rough idle or hesitation upon starting the engine, especially in colder weather. This may be accompanied by a noticeable vibration.
  • Solution: Some dealers have had to reprogram the engine control unit. Others have replaced the fuel injectors.
  • Estimated Cost to Fix: $0 - $200+, depending on if the issue is covered under warranty
• Auxiliary Battery Issues
  • Description/Symptoms: The 48V mild-hybrid system uses an auxiliary battery that some owners have reported issues with, including warning lights or system malfunctions. This can lead to reduced engine power or starting problems.
  • Solution: Replacement of the auxiliary battery and/or a software update to the control module.
  • Estimated Cost to Fix: $500 - $1500+

Transmission

9-Speed Automatic (9G-Tronic)

• Harsh or Jerky Shifting
  • Description/Symptoms: Some owners have reported harsh or jerky shifting, particularly between lower gears (1st to 3rd). This can be more noticeable during acceleration or deceleration.
  • Solution: A software update of the transmission control unit (TCU) is the most common fix. In some cases, valve body replacement may be necessary.
  • Estimated Cost to Fix: $0 - $4000+, depending on if the issue is covered under warranty
  • Recalls: None Found

Suspension

• Air Suspension Malfunctions (if equipped)
  • Description/Symptoms: Owners with the optional air suspension have reported issues such as the vehicle not leveling properly, sagging on one side, or displaying error messages related to the air suspension system.
  • Solution: Diagnosis to identify the faulty component (air strut, compressor, valve block). Replacement of the faulty component is typically required.
  • Estimated Cost to Fix: $1000 - $3000+

Electrical

• MBUX Infotainment System Freezing/Crashing
  • Description/Symptoms: The MBUX infotainment system can sometimes freeze, crash, or become unresponsive. This may require a system restart or a visit to the dealer for software updates.
  • Solution: Software updates or replacement of the MBUX control unit.
  • Estimated Cost to Fix: $0 - $1500+, depending on if the issue is covered under warranty
• Random Electronic Glitches
  • Description/Symptoms: Some owners have reported random electronic glitches, such as issues with the driver-assist features (lane keeping assist, adaptive cruise control), malfunctioning sensors, or intermittent lighting problems.
  • Solution: Diagnosis to pinpoint the source of the electrical issue. Depending on the problem, this may require software updates or module replacement.
  • Estimated Cost to Fix: $0 - $2000+

Exterior

• Panoramic Sunroof Issues
  • Description/Symptoms: Reports of rattling or creaking noises from the panoramic sunroof, particularly when driving on uneven surfaces.
  • Solution: Lubrication of the sunroof components, adjustment of the sunroof mechanism, or replacement of faulty parts.
  • Estimated Cost to Fix: $100 - $1000+

Interior

• Dashboard Rattle/Squeak
  • Description/Symptoms: Some owners have reported annoying rattles or squeaks emanating from the dashboard area, especially when driving on rough roads.
  • Solution: Locating and addressing the source of the rattle. This may involve tightening loose components, adding padding, or replacing faulty parts.
  • Estimated Cost to Fix: $100 - $500+

Summary

The 2022 Mercedes-Benz GLE450, while generally a reliable and luxurious vehicle, has been reported to have some common issues. The most prevalent issues seem to stem from the electrical systems, particularly the MBUX infotainment system and auxiliary battery. There are also reports of engine hesitation, transmission shifting concerns, and suspension problems. The cost to repair these issues can vary widely depending on the specific problem, the repair needed, and warranty coverage.