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What 82 owners told NHTSA about the 2021 Mercedes-benz Gle-class Hybrid

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (82)Crash / fire / injury (5)Engine (34)Electrical system (29)Transmission & drivetrain (8)Driver assistance (6)Visibility & wipers (6)Fuel system (5)Brakes (4)Speed control (4)Body & structure (3)Lane Departure (2)

Newest first · 82 complaints · page 4 of 4

Sep 2, 2021Visibility & wipers

The contact owns a 2021 Mercedes-Benz GLE350. The contact stated that the sunroof abruptly fractured while the vehicle was parked and unoccupied. The fractured glass was retained by the sunroof cover. The vehicle was towed to the dealer. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was 10,000.

NHTSA ODI 11431504

Aug 4, 2021Electrical system

The contact owns a 2021 Mercedes-Benz GLE53. The contact stated the vehicle would not start. The contact stated that he was unable to jumpstart the vehicle. The vehicle was towed to the dealer who diagnosed that the battery needed to be replaced. The vehicle was repaired. The contact also stated while driving the vehicle would misread speed limit signs on the road and would shift gears on inadvertently. The dealer was made aware of the failure. The manufacturer was not made aware of the failure. The vehicle was not repaired. The approximate failure mileage was 4,800.

NHTSA ODI 11427703

Jul 9, 2021Electrical systemEngine

The contact owns a 2021 Mercedes-Benz GLE450. The contact stated while driving at various speeds the vehicle loss motive power. The 48V battery malfunction and coolant hot turn-off vehicle message were displayed on the instrument panel. The battery indicator warning light was illuminated. The vehicle was taken to the local dealer and diagnosed with a software issue. The contact was informed that the software needed to be updated. The vehicle was repaired however, the failure recurred. The manufacturer was not notified of the failure. The approximate failure mileage was 3,000.

NHTSA ODI 11424125

May 14, 2021Electrical system

THERE ARE NUMEROUS REPORTS OF THE 48V BATTERY FAILING ON MULTIPLE MERCEDES MODELS USING THE 6 CYLINDER WITH ISG ENGINE. MERCEDES SHOULD DO A RECALL TO REPLACE ALL 48V BATTERIES AS THIS PROBLEM MAKES THE CARS UNRELIABLE AND UNSAFE TO USE AS SOMETIMES THIS 48V BATTERY SYSTEM FAILS WHILE DRIVING.

NHTSA ODI 11416549

Mar 24, 2021Brakes

WHILE THE CAR IS IN PARK AND IDLING, THE VEHICLE WILL NUDGE FORWARD REPEATEDLY. THE CAR DEALERSHIP APPEARS RATHER CAVALIER ABOUT THIS ISSUE BUT IT LEADS TO LITTLE TRUST WITH THE VEHICLE. THE CURRENT MINDSET IS THAT AT SOME POINT THE VEHICLE MAY PROPELL MORESO THAN A NUDGE UNEXPECTEDLY CAUSING A SAFETY ISSUE.

NHTSA ODI 11404630

Feb 2, 2021Electrical systemEngineFuel system

WE BOUGHT OUR VEHICLE -2021 MERCEDES-BENZ GLE 350 - ON JANUARY 12TH AND THREE DAYS LATER WE NOTICED THAT HALF OF THE MBUX DUAL SCREEN WAS BLACK AND INOPERABLE. THE CAR WAS IN SERVICE 10 DAYS. TODAY, 02,1, 2021 THE CAR STOP, THE ENGINE AND LIGHTS, CONTROL, ON HIGHWAY!!!??? I CALL POLICE TO PROTECT ME. MERCEDES DEAD. NO HAZARD LIGHTS. I STAY IN DANGEROUS TRAFFIC ONE HOUR FOR MERCEDES ROAD ASSISTANCE. I CALL FROM MY CEL PHONE, NO ENERGY IN THE CAR?! AFTER ONE HOUR THE LIGHTS OF CAR START??!!! THIS WAS AT 6:45 AM (NIGHT). AFTER 7 MINUTES, THE CAR STOP TOTALLY, BUT WITH THE LIGHTS FLASHING. FINALLY, THE ROAD ASSISTANCE FROM MERCEDES ARRIVE. NOW THE CAR IS IN SERVICE, BUT NEVER DRIVE THIS CAR. I WAS IN A VERY BIG DANGEROUS WIT MY LIFE.

NHTSA ODI 11391145

Dec 20, 2020Electrical system

THE 48V BATTERY AFTER DRIVING NEW VEHICLE ONLY 230 MILES GOES DEAD. THE AUTO WILL NOT START AND CANNOT BE JUMP STARTED. RESULT IS BEING STRANDED ROADSIDE. REQUIRED A TOW. MERCEDES SAYS DEAD BATTERY (BRAND NEW) NEEDS TO BE REPLACED. BATTERY WENT DEAD ON DECEMBER 10. DEALER TELLS ME NO BATTERIES ARE AVAILABLE IN THE US. A BATTERY IS PROMISED FOR DELIVERY FROM GERMANY ON OR ABOUT JANUARY 11, 2021.

NHTSA ODI 11384271

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Working with the data? Download all 82 complaints as CSV · fetched from NHTSA July 25, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2021 Mercedes-benz Gle-class Hybrid verdict →