complaints.title

complaints.subtitle

16 complaints
MERCEDES-BENZ EQS 450+ 2023 VEHICLE SPEED CONTROL
high
While making a left turn at low speed, I applied the brakes, but the vehicle did not respond as expected and instead appeared to drift, surge, or accelerate forward. The vehicle struck a fire hydrant
NHTSAUSApr 2026Source →
MERCEDES-BENZ EQS 450 4MATIC 2023 FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
low
Several times, the car's "panic braking" has randomly slammed the brakes and tightened the seat belt. After the first few times, I took it to Mercedes and they re-uploaded software which was hard for
NHTSAUSMar 2026Source →
MERCEDES-BENZ EQS 450 4MATIC 2023 UNKNOWN OR OTHER
high
On the date of purchase, while driving approximately 50 mph, the vehicle’s hood opened unexpectedly, obstructing my visibility and causing the vehicle to leave the roadway and enter a ditch. State P
NHTSAUSJan 2026Source →
MERCEDES-BENZ EQS 450+ 2023 POWER TRAIN
high
I am reporting a serious safety issue with my 2023 Mercedes-Benz EQS SUV. On multiple occasions, the vehicle has suddenly lost power and completely stopped while driving on the freeway without warning
NHTSAUSJan 2026Source →
MERCEDES-BENZ EQS 450+ 2023 ELECTRICAL SYSTEM
low
The vehicle throws a “charging fault” error when I try to charge my vehicle with a high speed charger. I tried two different chargers and two different locations with the same result. The safety
NHTSAUSDec 2025Source →
MERCEDES-BENZ EQS 450+ 2023 ELECTRICAL SYSTEM
high
While traveling cross-country from Chicago, IL to San Diego, CA, my Mercedes-Benz EQS experienced a battery and system malfunction in Erick, Oklahoma at approximately 11:17 PM. At the time of the inci
NHTSAUSDec 2025Source →
MERCEDES-BENZ EQS 450+ 2023 FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
high
This afternoon, while I was driving on freeway at a normal speed (75 miles/hour) with an ample distance (30 feet) from the car in front of me , I suddenly felt a huge impact. It was so violent that
NHTSAUSDec 2025Source →
MERCEDES-BENZ EQS 450 4MATIC 2023 UNKNOWN OR OTHER
high
My panoramic sunroof shattered with no warning and no apparent impact. It exploded outward, while traveling at a high speed on the highway. It was late and there were no other vehicles on the road at
NHTSAUSNov 2025Source →
MERCEDES-BENZ EQS 450 4MATIC 2023 FUEL/PROPULSION SYSTEM
high
While the vehicle was stationary and connected to a DC Fast Charging station (Electrify America), a thermal event occurred at the charging interface. The charging connector overheated and thermally fu
NHTSAUSJul 2025Source →
MERCEDES-BENZ redundant EQS 450 2023 FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
low
Active Emergency Stop Assist Inoperative warning has shown up more than once and the dealer can not duplicate the warning or repair. It is causing frequent phantom braking and sudden stops both in n
NHTSAUSJul 2025Source →
MERCEDES-BENZ redundant EQS 450 2023 ELECTRICAL SYSTEM
medium
Car turns off completely while driving with "Battery malfunction" and "Towing not permitted" error. This happened while driving on a highway at the end of a bridge going downhill so I was able to pull
NHTSAUSMar 2025Source →
MERCEDES-BENZ redundant EQS 450 2023 ELECTRICAL SYSTEM
high
The contact owns a 2023 Mercedes-Benz EQS 450. The contact stated that while attempting to charge the vehicle, the contact became aware that the vehicle failed to begin charging as expected. After a v
NHTSAUSMar 2025Source →
MERCEDES-BENZ redundant EQS 450 2023 AIR BAGS
critical
The vehicle went to catch on fire and the electrical socket burnt so it could no longer charge. The airbag showed malfunction passenger side door. Multiple times the collision warning has malfunction
NHTSAUSMar 2025Source →
MERCEDES-BENZ EQS 450+ 2023 SUSPENSION
high
Two weeks ago, I returned back from work and later on in the evening was driving to go to grocery store when the car seemed to get pulled to one side and started shaking when driving around 40MPH. Not
NHTSAUSSept 2024Source →
MERCEDES-BENZ EQS 450+ 2023 FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
high
2023 Mercedes EQS 450 Normal Recuperation driving around 40 mph suddenly the brakes were applied and seat belts engaged with no apparent reason or obstacle. It was for a second and released so no dam
NHTSAUSSept 2024Source →
MERCEDES-BENZ EQS 450+ 2023 ELECTRICAL SYSTEM
high
Car stopped abruptly on a two lane highway and a flashing warning came up that said electrical failure. Car jerked to a stop. Had to be towed to the dealership. Very dangerous. A friend has the sa
NHTSAUSJun 2024Source →