In most circumstances the adaptive cruise control (ADC) works well. There is one case where it does not, however. When ADC is active and the vehicle immediately in front shows, perhaps to make a turn, the ADC-equipped vehicle slows appropriately. The problem: Once the front vehicle is *well clear* of the driving lane, often operating 90 degrees to the marked lane on a perpendicular roadway, the ADC-equipped vehicle delays in sensing this and dos not resume the set speed. The effect is for traffic behind the ADC-equipped vehicle to become exceedingly annoyed and a chain-reaction of braking results. Drivers operating behind the Mercedes-Benz have a reasonable expectation that when the traffic in front of the ADC-equipped vehicle is clear the latter will accelerate. This expectation is not met in practice -- ever. The result is near-miss rear end collisions This exact same issues was also observed on a 2025 Mercedes GLE450.

On May 26, 2026 I was driving our new Mercedes 2026 GLE350 to [XXX]. The car had 737 miles on it, when it died in traffic on [XXX]. The car was purchased new on April 11, 2026 from the Mercedes dealer in Monterey, CA. When the car died in traffic, an emergency message appeared on the screen "Automatic brake assist not working, Stop the car immediately, Do Not Drive". I was barely able to cross two lanes of traffic in order to get to the right shoulder of the very busy freeway. The dealer in Monterey was contacted and said it sounded like an electrical issue. The car was towed to the nearest Mercedes dealer in Stevens Creek, San Jose Ca. (phone [XXX]) The service advisor at Stevens Creek is named Erica Flores. After 4 days at that dealership, she advised us that they "were unable" to duplicate the problem and that a software fix would have to be addressed by the main shop in Germany. No one knows when the software will be available. We were able to get copies of the repair order, Invoice number XXX. The car was returned to us and we drove back home to Pacific Grove, CA without any other issues. On XXX my wife was once again traveling to [XXX]. At approximately 1:15 pm the car did the exact same thing. Losing power while she was traveling at 65 miles per hour on the busy [XXX]. Again, the computer screen displayed several messages including the braking system, the cooling system and instructed her to turn the car off immediately and not to drive. The car now has approximately 1150 miles on it. We notified the dealer in Monterey Ca, and also the dealer in San Jose (Stevens Creek). My wife spoke again with Erica Flores at the Stevens Creek Mercedes dealer. Erica told my wife she could not help her and that all they could offer is a storage facility for us, with a cost of approximately 160 dollars per day. These issues represent a major safety concern which needs to be addressed by M.B. USA. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Pulled on door handle and handle came off the rear driver side door for the second time.

Brand new car Engine light also went on and off 3 or more times in one day, car had a charging failure wouldn't charge - Sold me an unsafe vehicle to drive - shaking tires, steering wheel, Car also has 13 codes including engine and transmission failure communication codes - multiple attempts to resolve the matter and the service team wanted me to sign a release of liability and were refusing to change the tires or make the vehicle safe. took the car to a 3rd party to get an accurate assessment - also for the record this was the second unsafe car they sold me the first car needed new axles and apparently was in the service line and someone closed the tickets out and i was sold a different vehicle. Then we could hear extra sounds when driving the car and not able to accelerate well on the highway - after bringing the car back in they found out it needed new tires, axles and a lot of work. They reversed the sale but I was not expecting to have any more problems therefore I opted for a brand new car. The car started alerting uneven tires and road traction on day 1-3 i brought the car back and they said it just needed a reset of tire pressure etc. the problems persisted and the tires and steering wheel were shaking while driving - it started off worse at higher speeds but now can happen at all speeds even as low as 45 mph and 35 miles per hour. made multiple attempts with a case with MBUSA and This Littleton location kept denying there was anything wrong with the car until it was proven with a 3rd party company. Mercedes benz endangered my life and my family's life with this situation and we are fortunate that. We want to be treated fairly as they treat all their customers despite their race, color and origin. they have continued to make things difficult and failing to address the issues. I have been back and forth to the dealer 8 times in the past 3 months for a brand new vehicle this is unacceptable. They also were refusing to put new tires on the car to see if the