Mercedes-Benz E 450 problems and owner complaints

I BROUGHT THE CAR INTO DEALERSHIP UNDER RECALL 2019080007 AND SUPPOSEDLY HAD PROBLEM CORRECTED BUT THE BRAKES CONTINUE TO PERIODICALLY ENGAGE FOR NO APPARENT REASON.

Owner-reported narrative. 3,700 miles reported. Look up ODI 11390030 at NHTSA ↗

1.BOTH FRONT SEATS BECOME EXTREMELY HOT AFTER 1-2 HOURS OF DRIVING, EVEN WITH COLD SEAT MODE ON. METAL BECOMES SO HOT UNDERNEATH SEAT, ALMOST COULD BURN HAND BY TOUCHING METAL PARTS. 2.STEERING WHEEL ON MULTIPLE OCCASIONS LOOSENS AND STARTS RAPIDLY MOVING RIGHT AND LEFT PROMPTING ALERT ASSIST WHILE DRIVING ON FREEWAY AT FREEWAY SPEED WITHOUT ME DOING THIS OR NO LANES ARE CROSSED , IT FEELS LIKE CAR IS REMOTELY CONTROLLED. 3.CAR TRIES TO ACCELERATE AS I AM ON THE BRAKES TO SLOW DOWN FOR TRAFFIC LIGHT IN THE CITY PRODUCING SEVERE TRANSMISSION JER…

Owner-reported narrative. Look up ODI 11416729 at NHTSA ↗

The contact owns a 2019 Mercedes-Benz E450. The contact stated while driving at various speeds and depressing the accelerator pedal, the vehicle hesitated while responding. Additionally, the contact stated that the transmission was slipping. The check engine warning light was illuminated. The contact stated that upon taking the vehicle to an unknown dealer, the check engine warning light turned on while the dealer was moving the vehicle into a parking space. The vehicle was taken to the dealer several times however, the dealer diagnosed that no…

Owner-reported narrative. 20,000 miles reported. Look up ODI 11519233 at NHTSA ↗

The primary failure involved the electrical system and speed control, which posed a significant safety risk to myself and other drivers. The issue first presented itself when I noticed intermittent warning lights and error messages flashing on the dashboard, including indicators for the electronic stability program (ESP), steering assist, and lane tracking features. These malfunctions created erratic driving conditions, including unexpected acceleration delays and inconsistent cruise control behavior. Approximately one week before the vehicle …

Owner-reported narrative. Look up ODI 11658594 at NHTSA ↗

AUTOMATIC STEERING FOLLOWED RANDOM STRIPE ON I 20 MAKING THE CAR LUNG TO THE LEFT LANE AND ALMOST GOING INTO THE MEDIAN IWAS WAS GOING 75 IN RAIN COULD HAVE WRECKED IF I DID NOT CORRECT IN SECONDS!

Owner-reported narrative. 1,000 miles reported. Look up ODI 11171517 at NHTSA ↗

Central digital driver cluster and lighting behind all speedo/tachometer randomly turns off while driving unexpectedly then fades back on. - can not see control indicators for adaptive cruise control when display fades out - can not see what gear the transmission is in when display fades out - at night can not see speedo, tach, or any items on the display when it fades out Dealership said they could not duplicate and didn't want to replace the cluster, because they have to send the part back to mercedes engineering and if the part wasn't faul…

Owner-reported narrative. Look up ODI 11433288 at NHTSA ↗

The contact owns a 2020 Mercedes-Benz E450. The contact stated that on three occasions the driver's side front seat independently adjusted when the vehicle was started. On another occasion, the vehicle started by independently. Additionally, the head-up projected display moved up the windshield instead of remaining in place. The contact stated that the battery warning light was illuminated. The contact stated that on several occasions the vehicle stalled. The vehicle was able to be restarted intermittently. The vehicle was taken to a dealer whe…

Owner-reported narrative. 400 miles reported. Look up ODI 11522705 at NHTSA ↗

Twice within a year a "48 voltage battery malfunction" warning appeared on my dashboard. Then a red warning light appears and I had about 30 seconds to find a safe place to pull over as loss of power causes deceleration of the vehicle . The cause, according to the diagnostic test performed by 2 different Mercedes dealerships, is that a software update is needed. A know of no situation where the machine crashes first then you're told to update its software. I am concerned that this will unexpectedly happen again and possibly on a road where pu…

Owner-reported narrative. Look up ODI 11629635 at NHTSA ↗

I purchased an E450 Mercedes before reaching my first service appointment while driving my two daughters home from school the car began to shake uncontrollably, lost power, and then the engine light and oil lights came on. The car was towed to the manufacturer dealership for repair. It was determined that the piston number four was broken and the engine needed to be completely replaced. Less than two months after having the entire engine replaced the car broke down again with a similar shaking. This time one of my children and their friend were…

Owner-reported narrative. Look up ODI 11578771 at NHTSA ↗

The fuel pump on my vehicle failed multiple times, including coming off start / stop at traffic lights, as well as when being started. When at a stop light turning from red to green, my car did not respond, putting me in danger of being hit from behind. The vehicle is being repaired under warranty at a manufacturer dealership. It appears this is a known issue under NHTSA recall 23V445000, although my vehicle is not currently included in the recall after a VIN search of the NHTSA check for recalls page. My vehicle exhibited the same signs as…

Owner-reported narrative. Look up ODI 11614216 at NHTSA ↗