Owner-reported issues — NHTSA
18 complaints filed with the National Highway Traffic Safety Administration for the X167 across model years 2024–2024. Federal public records, updated weekly.
| UNKNOWN OR OTHER | 6 reports |
| ELECTRICAL SYSTEM | 4 reports |
| FORWARD COLLISION AVOIDANCE | 4 reports |
| WHEELS | 2 reports |
| ENGINE | 2 reports |
| SEATS | 1 reports |
| TIRES | 1 reports |
| POWER TRAIN | 1 reports |
Selected owner reports
2024 · ELECTRICAL SYSTEM
While traveling at highway speeds, the digital instrument cluster suffered a sudden, complete power loss and went entirely black for approximately 5 seconds before rebooting. Component failed: Digital instrument cluster / dashboard display. It is available for inspection. Safety risk: Complete loss of critical data (speedometer, vehicle status) at high speed. It caused immediate driver confusion over whether the vehicle had stalled or lost propulsion, creating an acute risk of a high-speed collision in traffic. Reproduced by dealer: [UNKNOWN] Inspected by others: [NO] Prior symptoms: UNKN
2024 · SEATS
[XXX] girl went in back passenger door (rear facing car seat present), crouched under seat area to climb to middle seat when [XXX] brother push button and seat moved forward without stopping crushing [XXX] old head between back of seat and back of Car seat. There was no safety stop, was stuck mother has to press button to move seat back to release head. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
2024 · UNKNOWN OR OTHER
I am submitting a complaint regarding the air conditioning system in my vehicle. The vehicle has a refrigerant (Freon) leak that causes the air conditioning system to stop cooling properly. In addition, there is a loud abnormal noise coming from the AC system while operating. The issue has progressively become worse. The air conditioner either blows warm air or loses cooling performance completely, especially during normal driving conditions. The abnormal noise appears when the AC compressor engages. This defect affects driving comfort and may indicate a failure of the air conditioning comp
2024 · UNKNOWN OR OTHER
The panoramic sunroof spontaneously shattered. I was driving on highway under open sky and the sun roof just imploded and all the glass came shattering inside all over. There were no extreme weather or any construction or chances of any debris from anything around. No impact object could be identified upon inspection after the car was stopped.
2024 · UNKNOWN OR OTHER
i've purchased brand new 2024 gls 450 mercedes benz and this is the 3rd times i have to bring my car to the mercedes facility to add a quarter of oil and jerky shifting so i dont feel safety and comfortable to drive this car anymore. i need help or my money back, what do i need to do?.
2024 · FORWARD COLLISION AVOIDANCE
Over the past 14 months, the emergency breaking system has gone off approximately 25 times during non-emergency situations. Most of the incidents have been when no other vehicles or impediments are anywhere close by. This has created a very significantly unsafe and ongoing situation for my family which so far are being ignored by Mercedes Benz.
2024 · ELECTRICAL SYSTEM
car spontaneously caught fire while driving, without any warning, with smoke first coming from the air vents followed by smoke from under the bonnet then visible fire engulfing the front of the car, it was serviced 6 weeks prior without any concerning findings on the mechanical or electrical components. 911 was called and fire was extinguished and insurance claim filed, currently being investigated by insurance as to what may have caused the fire.
2024 · ELECTRICAL SYSTEM
Head-up display unit inoperable on multiple occasions over a span of few months during the first year of ownership. Display panel occasionally went blank, including while driving.
2024 · STRUCTURE
The glass panel between the windshield and the sunroof spontaneously shattered. I wasn't aware of this and had just noticed increased wind noise while driving for a few weeks until I noticed that it was due to shattered glass panel. It is cracked almost all around and somewhat dislocated. Upon close inspection in can be seen that cracks run throughout the glass panel. There is no single point of impact of a possible foreign object, so I can rule out the possibility of something hitting it with high confidence. I took it to the dealership but they refused responsibility under manufacturer warra
2024 · ELECTRICAL SYSTEM
The contact owns a 2024 Mercedes-Benz GLS450. The contact stated while the vehicle was idling, the vehicle shut off with several unknown warning lights illuminated. The contact also stated that a message to exit the vehicle was displayed. Due to the failure, the vehicle was towed to the dealer on four separate occasions. The vehicle was towed to the dealer and the contact was informed that the failure was related to the battery. The battery was either recharged or replaced while at the dealer; however, the failure returned soon after repair. The vehicle was not repaired and remained with the d
2024 · VISIBILITY
The contact owns a 2024 Mercedes-Benz GLS580. The contact stated while driving at approximately 70 MPH, the contact heard a loud popping sound inside the cabin of the vehicle and became aware that the rear section of the panoramic sunroof had shattered. The contact stated that the shattered sunroof panel was still in place and had not entered the cabin or fallen onto the highway. The contact had taken the vehicle to a local dealer, where it was diagnosed and determined that a rock had shattered the sunroof. The sunroof was replaced. The vehicle was repaired. The manufacturer was informed of th
Source: NHTSA consumer complaint database · synced 2026-08-23