Mercedes-Benz GLE450 SUV

On April 2, 2026, while driving at highway speed in heavy traffic, the vehicle experienced a sudden and complete loss of forward propulsion without warning. Engine RPMs increased with no corresponding acceleration, consistent with catastrophic transmission slipping. The vehicle could not maintain safe speed. I coasted to a stop and was able to limp at low speed to a parking area. The vehicle was towed to the selling dealer (Mercedes-Benz of Tysons Corner, Vienna, VA) by Mercedes-Benz Roadside…

The turn signal flasher sound is so low that it is practically inaudible while driving and sometimes left on without notice. This confuses the cars from behind. Even worse, it confuses cars at the opposite direction in city driving. I have had a couple of incidents at busy intersection that the opposite direction car drivers thought I want to make a left turn but really not. The situation is getting more dangerous on highway driving. With the turn signal left on without hearing the audible…

The contact leased a 2026 Mercedes-Benz GLE450 4Matic. The contact stated that while driving at an undisclosed speed, there was an unknown warning light flashing on the instrument panel. The speed limit was displayed and was flashing. The contact turned off the feature, but the light continued to flash on the instrument panel. The vehicle was taken to the local dealer on two occasions, where an unknown diagnostic result was provided. The manufacturer was working on an update for the fix. The…

The contact owns a 2025 Mercedes-Benz GLE450 4-Matic. The contact stated that while driving at various speeds, the heads-up display was continuously flashing and failed to operate as designed. The contact stated that the failure had occurred two days after purchasing the vehicle. The vehicle was taken to the dealer, where it was diagnosed with a dashboard mat coating failure. The dealer informed the contact that the failure was an engineering failure, and only the engineers could repair the…

While driving on a limited-access highway at 65 mph with cruise control engaged, the vehicle unexpectedly reduced speed to 50 mph without any driver input under steady traffic and road conditions. No braking was applied by the driver, and no warnings or alerts were displayed prior to or during the speed reduction. Separately, the vehicle’s displayed speed-limit information was unstable during highway driving. The display repeatedly changed between the correct posted speed limit, a blank…

Transmission. Transmission has very rough, jerky shifting when downshifting and upshifting. There was a bad 'jerk when downshifting from 5 to 4th gear. Dealer acknowledged the problem and provided a transmission software upgrade. The problem was somewhat alleviated but the transmission still exhibited rough shifting, both down and up shifting. More concerning occasionally, when turning a corner and coasting, sometimes the vehicle would surge ahead moderately because of shifting. Some…

I am writing to lodge a complaint regarding my brand new vehicle, which has been in the shop for over a 3 months since its purchase on [XXX]. I picked up my 2026 Mercedes GLE 450 from Baker Mercedes Benz in Charleston, and it started malfunctioning about 20 minutes into the trip home. The following day I brought it into my local Mercedes dealership, Myrtle Beach Mercedes Benz, for inspection. The first available appointment was 10 days away, so I was unable to drive the vehicle for that period…

I was driving in I75 highway south in Michigan and heading to Ohio. I had around 70 mil/hr ish speed and was trying to pass a commercial truck. I Just turned on rear window wiper to clean it and once it started to work, the vehicle had a very hard brake for a couple seconds which the my seat belt pushed me hard to the seat to avoid of my head to go forward to windshield. Fortunately it was very quick brake and didn’t caused any accident, but I was worried that it was repeated again and had a…

Sunroof part behind the windshield came off due to the bond adhesive deteriorating and cause part coming off and causing road hazard

THE PROBLEM HAPPENED ON A BUSINESS TRIP TO AND FROM KANSAS CITY MO. AND MINNEAPOLIS MN. THE CRUISE CONTROL HAS A FEATURE THAT CAN READ ROAD SPEED LIMIT SIGNS AND CHANGE THE SET SPEED TO MATCH THE INDICATED SPEED. THIS FEATURE CAN BE TURNED ON OR OFF BY USING THE INFOTAINMENT SYSTEM. ON THIS TRIP TO KANSAS I HAD THIS SIGN RECOGNITION FEATURE TURNED OFF. THE PROBLEM IS THAT ON AT LEAST 12 OCCASIONS DURING THIS 900 MILE TRIP THE CRUISE CONTROL WOULD ARBITRARILY CHANGE THE SET SPEED FROM 70 MPH TO…