2018 Mercedes-Benz GLC 300 Vehicle speed control Problems

“'the first incident - occurred in august when I stopped at a stop-light. I started driving when the light turned green and the car was accelerating as normal. There were cars behind me accelerating as well as normal. My SUV automatically shifted from drive to neutral by itself as I continue to accelerate to move with the normal flow of traffic. The vehicle automatically slowed down to neutral '2nd incident - the same issue occurred again within two weeks I was driving on the long island expressway at approximately 40 miles per hour in heavy traffic which had commercial trucks. …”

“While pulling into a parking spot with my foot hovering above/on the break, the car lurched forward as if someone had floored the gas pedal. As my foot was already on the break, I slammed down onto the break and the car came to a stop, several feet ahead of the top of the parking spot, and into the woods. I called roadside assistance for the vehicle to be towed to the dealership for repair, as I did not find it safe to drive it. The dealership was unable to replicate the issue, but they told me that due to the severity of the issue, they weren't supposed to check it themselves. …”

“The car does not go into drive from reverse and will sometime automatically shift itself from a low drive gear (D1) into Neutral without warning. After this happens - the car also can't get back into D1. It takes about 20 seconds for the car to shift back into a Drive gear and it will jolt into D3 violently. This has been a scary experience on many occassions - especially at red lights when this happens and we can't get the car out of neutral for some time. This was diagnosed by mercedes dealership near us as a fawlty sensor in the transmission. …”