2021 Mercedes-Benz GLE 350 engine problems

Updated from NHTSA data · How we count

23 owners have reported engine problems with the 2021 Mercedes-Benz GLE 350, 48% of all complaints about this model year. The typical problem appeared around 74,000 mi.

Engine complaints
23
Crashes
1
Fires
2
Injuries
4
Related recalls
0
Median mileage
74,000 mi

Specific components reported

Engine covers: stalling, loss of power, oil consumption, overheating.

ComponentComplaints
Engine22
Engine and engine cooling1

Engine complaints across Mercedes-Benz GLE 350 years

1201834202023202110202212024
Engine complaints by model year. The 2021 is highlighted.

Mileage when the problem appeared

1Under 10k10k–30k30k–60k360k–100k1100k–150k150k+
Complaints that list mileage, grouped by odometer reading.

Related recalls

No recalls on file.

What owners say

  1. Filed Jun 3, 2026CAEngine
    At approximately 87,000 miles, my 2021 GLE350 (M264 2.0T engine) experienced a severe engine misfire resulting in a flashing check engine light, rough idle, engine shaking, significant loss of power, and near-stall condition. The vehicle was taken to Speedhaus Automotive (Newbury Park, CA) where all four ignition coils and spark plugs were replaced. Total repair cost was approximately $635. This failure pattern is consistent with the documented M264 exhaust valve seat wear…
    NHTSA complaint #11741934 · source
  2. Filed Feb 20, 2026CAEngine
    While driving at night all error light showed up. I slowed down to the side of the road and while I was slowing down the engine died. I tried to start the car which worked but when I pressed the gas the engine died again. Tried it two more times with the same results. Then turned the car and waited a bit with the engine running. slowly started driving and was able to get home driving 20 mph. The next day took it to a shop that said that the battery was weak and they replaced…
    NHTSA complaint #11719430 · source
  3. Filed Feb 12, 2026NYEngine
    This is regarding a 2021 gle 350. The car was parked overnight and in the morning was unable to start or crank . I had to tow the vehicle to the service center that has maintained the car since purchased date and they told Me there’s a problem with the engine and I will need a new engine costing $28,000 dollars., the car has 42,000 miles and has an impeccable service history with Mercedes Benz. They did not tell me any specific engine part that’s faulty. There was no warning…
    NHTSA complaint #11717456 · source
  4. Filed Jan 8, 2026FLEngine
    There is a known issue with the Cylinder Heads on specific models of Mercedes vehicles. Symptoms of M264 Cylinder Head Failure If your GLE 350 is experiencing these symptoms, it may be covered under the extension: Check Engine Light (MIL): Often triggered by misfire codes. Rough Idle: Noticeable shaking or uneven idling when stopped. Loss of Power: Potential stalling or significant power reduction during acceleration. Low Compression: Diagnostic tests often reveal low…
    NHTSA complaint #11709741 · source
  5. Filed Dec 11, 2025COEngineOther / UnknownTransmission & Drivetrain
    Original owner of a 2021 GLE, purchased on April 21, 2021. The vehicle is currently 4 years and 6 months and 22 days old with approximately 49,000 miles. Despite meticulous adherence to all scheduled maintenance performed and no warning lights activated the vehicle suddenly shutdown and would not restart. According to MB maintenance department it suffered a catastrophic and complete engine failure. This type of premature and total engine failure in a properly maintained,…
    NHTSA complaint #11704589 · source
  6. Filed Nov 18, 2025CAEngine
    we own a Mercedes-Benz GLE 350 model 2021. Our vehicles engine has stopped running on two different occasions, resulting in a very scary near miss accident situation. The first time this happened was it 22,000 miles, the engine shut off as a result of a failure in the engine cylinder head valve that burned up, causing the car to shut off in the middle of an intersection. The second incident happened at 56,000 miles where the vehicles engine shut off. This was also in the…
    NHTSA complaint #11700231 · source
  7. Filed Nov 17, 202574,000 miCTEngine
    The contact owns a 2021 Mercedes-Benz GLE350. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the cylinder head. The vehicle was repaired. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was 74,000.
    NHTSA complaint #11699818 · source
  8. Filed Oct 24, 202569,100 miGATowedEngine
    The contact owns a 2021 Mercedes-Benz GLE350. The contact stated that while driving 65-70 MPH, the vehicle was skipping. The contact immediately veered towards an exit ramp. The contact noticed knocking sounds coming from the engine, and the vehicle stalled on the exit ramp. There was smoke coming from underneath the hood. The vehicle failed to restart and was towed to the dealer, where it was diagnosed that the engine had imploded and sustained a hole. The dealer determined…
    NHTSA complaint #11695392 · source
  9. Filed Sep 19, 2025INEngine
    I am writing to document a recurring and serious issue with the Mercedes-Benz GLE equipped with the M264 engine, specifically relating to premature cylinder head failure. In my case, the vehicle began showing the following symptoms: Rough engine idle and noticeable vibration during startup Loss of power, especially when accelerating Check engine light with fault codes related to misfire or combustion issues Oil and/or coolant loss, with no external leaks Engine knocking or…
    NHTSA complaint #11688533 · source
  10. Filed Jul 11, 2025TXEngine
    On May 26, 2025, around 3:00 PM, I was traveling with my family on a bright and sunny day, with no rain for several days leaving the roads dry. As we were on I-35, I took an exit, and just a few seconds later, my 2021 Mercedes-Benz GLE 350 unexpectedly shut off, all the lights on the the dashboard lit up, and the vehicle came to a sudden and complete stop. Thankfully, this incident occurred on the service road rather than the highway, and we were at low speed otherwise it…
    NHTSA complaint #11672757 · source
  11. Filed Jul 8, 2025MSElectrical SystemEngineTransmission & Drivetrain
    While driving at about 55mph on road with one lane going each way, the car engine shut off, all instrument displays went off. There was no check engine light, warning or noise. I was almost rear ended by a car behind me. The car behind me swerved barely missing me, but almost hit oncoming traffic. Once car was on side of road it would not start. I tried to jump car battery with NOCO jump starter and it did not work. Instrument display did not come on, car transmission stuck…
    NHTSA complaint #11672109 · source
  12. Filed Feb 24, 2025SCEngine
    My Mercedes gle350 2021 is having a cylinder misfire. I had the repairs done last February. Carlton Mercedes acknowledged this is a known issue with this car. Did some googling and saw how big of an issue this is in this car. Repairs were made and now a year later cylinder misfire again! My neighbor has the same car but 2022 having the same issue currently. This needs to be recalled. Mercedes needs to be held accountable for this issue. It’s costing people anywhere from…
    NHTSA complaint #11644521 · source

Other 2021 Mercedes-Benz GLE 350 problem areas

  • Other / Unknown (9)
  • Electrical System (9)
  • Visibility & Wipers (5)
  • Driver Assistance & Safety Tech (5)
  • Transmission & Drivetrain (4)
  • Body & Structure (3)
  • Brakes (3)
  • Fuel, Hybrid & EV Propulsion (2)
  • Acceleration & Cruise Control (1)
  • Suspension (1)
  • Lighting (1)

Back to all 2021 Mercedes-Benz GLE 350 problems →

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology