2021 Mercedes-Benz GLE350

The 2021 Mercedes-Benz GLE350 is a luxury SUV known for its comfortable ride, upscale interior, and advanced technology. The base model features a 2.0-liter turbocharged inline-4 engine producing 255 horsepower and 273 lb-ft of torque, paired with a 9G-TRONIC 9-speed automatic transmission. Other engine options available for the 2021 GLE include a 3.0-liter inline-6 turbo with EQ Boost and a 4.0-liter V8 biturbo with EQ Boost. People generally appreciate the GLE’s spaciousness, luxurious features, and smooth driving experience. However, some common complaints include the complex infotainment system, some instances of reliability concerns, and the high cost of ownership.

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: The MBUX infotainment system can freeze, lag, or randomly reboot. This can affect navigation, audio, and other vehicle functions.
  • Solution: Software updates from the dealer can sometimes resolve these issues. In some cases, the infotainment unit may need to be replaced.
  • Estimated Cost to Fix: $0 - $1,500+ depending on warranty coverage and the need for a new unit.
  • Recalls: None Found
• Parking Sensor Malfunctions
  • Description/Symptoms: The parking sensors may give false readings, fail to detect objects, or become completely inactive.
  • Solution: Diagnosis and replacement of faulty sensors.
  • Estimated Cost to Fix: $200 - $500+ depending on the number of sensors needing replacement.
  • Recalls: None Found
• Backup Camera Failure
  • Description/Symptoms: The backup camera display may become distorted, flicker, or fail to activate when the vehicle is in reverse.
  • Solution: Diagnosis and replacement of the backup camera.
  • Estimated Cost to Fix: $300 - $700+
  • Recalls: None Found
• Sunroof Controls Not Working
  • Description/Symptoms: The sunroof controls do not respond, or the sunroof only partially opens or closes.
  • Solution: Resetting the sunroof system or replacing the sunroof motor.
  • Estimated Cost to Fix: $100 - $600
  • Recalls: None Found

Interior

• Rattling/Squeaking Noises
  • Description/Symptoms: Various interior panels and trim pieces may develop rattles or squeaks, particularly on rough roads. Common areas include the dashboard, door panels, and rear cargo area.
  • Solution: Locating and securing the loose panels or applying felt tape to prevent rubbing.
  • Estimated Cost to Fix: $50 - $300+ depending on the complexity and whether it’s a DIY or professional fix.
  • Recalls: None Found
• Automatic Seat Adjustment Malfunctions
  • Description/Symptoms: The power seats may fail to adjust properly, get stuck in certain positions, or exhibit unusual noises during operation.
  • Solution: Diagnosis and repair or replacement of the seat motor or control module.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found

Exterior

• Sensor Problems with Tailgate Operation
  • Description/Symptoms: Tailgate stops operating and/or gets stuck in various positions.
  • Solution: Replacing the tailgate mechanism or the sensors that control the tailgate.
  • Estimated Cost to Fix: $300 - $900
  • Recalls: None Found

Engine

2.0L Turbocharged Inline-4

• Engine Misfires
  • Description/Symptoms: The engine may experience misfires, leading to rough idling, reduced power, and a check engine light.
  • Solution: Diagnosis and replacement of faulty spark plugs or ignition coils.
  • Estimated Cost to Fix: $150-$400+
  • Recalls: None Found
• Turbocharger Issues
  • Description/Symptoms: Turbocharger fails to build boost, resulting in reduced performance and potential engine damage.
  • Solution: Diagnosis and replacement of faulty turbocharger components or the entire turbocharger unit.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Transmission

9G-TRONIC 9-Speed Automatic

• Rough Shifting/Hesitation
  • Description/Symptoms: The transmission may exhibit rough or jerky shifts, particularly at lower speeds. Hesitation during acceleration is also a common complaint.
  • Solution: Software updates or transmission fluid flush can sometimes alleviate these issues. In more severe cases, valve body replacement or transmission replacement may be necessary.
  • Estimated Cost to Fix: $200 - $6,000+ depending on the repair.
  • Recalls: None Found

Summary

The 2021 Mercedes-Benz GLE350 has some potential issues primarily in the electrical and transmission systems. The infotainment system is a frequent source of frustration due to its complexity and occasional malfunctions. Engine issues appear to be less common, but turbocharger problems can be costly. Transmission issues, such as rough shifting, are prevalent and may require expensive repairs. While many issues are minor annoyances, some can lead to significant repair bills, so buyers should be aware of these potential problems and factor them into their purchasing decision.