The contact owns a 2021 Mercedes-Benz Sprinter 2500. The contact stated that while driving at various speeds, the vehicle would inadvertently abruptly stop every 20 minutes. The contact stated that the Forward Collision-Avoidance Automatic: Dynamic Brake Support/Brake Assist warning light would illuminate prior to the failure. The contact disabled the brake assist; however, the failure recurred. The vehicle was taken to the local dealer to be diagnosed. The mechanic determined that the aftermarket tires had caused the sensors to become defective. The contact was also informed that the failure was a common issue. The contact was concerned because he was stranded out of town with a defective vehicle. The manufacturer was contacted and agreed to provide a loaner vehicle; however, the contact was concerned that the vehicle would be at the dealer being repaired for longer than the loaner vehicle would cover. The approximate failure mileage was 3,200.
2021 Mercedes-Benz Sprinter 2500 driver assistance complaints
Page 2 of 2: complaints 11 to 14 of 14, newest first, as owners wrote them.
My 2021 Mercedes Benz Sprinter van came equipped with Lane Keeping Assistance and Automatic Braking features that are on by default every time the engine is started. There is no way for an owner or a Mercedes Benz technician to have the safety feature set to remain off until the driver chooses to engage the features. I believe this is a safety hazard, as we experienced 2 incidents on a recent trip. 1. Lane Keeping Assistance took over the vehicle without warning from a slight wind gust, and almost caused us to get in an accident. We were traveling at 60+ mph on an interstate highway, and without warning, the van started to move from side to side and was difficult to gain control of the van. The MB Lane Departure Assistance was automatically braking different wheels of the van at different times to force the van to stay in the lane, but we never went out of the lane in the first place. If there was a car next to us, our 2021 MB van would have caused a severe accident. 2. Automatic Emergency Braking was engaged when the system thought a shadow from a light pole was an object in the road. We were traveling at 20 mph in a town center on a sunny morning, and the braking happened for no reason. We then saw the shadows. We would like Mercedes Benz to allow owners to turn off safety features, and have them remain off by default.
The contact owns a 2021 Mercedes-Benz Sprinter 2500. The contact stated while driving on the highway at 65 MPH, there was construction that had directed traffic to the right side of the road. The contact stated that while driving past the construction site, the active lane departure assist warning light illuminated on the instrument panel which caused the steering wheel to shake and the brakes to lock-up. The vehicle independently began to steer out of the lane and into another lane which almost caused a crash. The contact had to use excessive force to keep the vehicle from hitting the other vehicle. The contact stated that the failure occurred 3 times after the initial failure on the same day caused by Active Lane Keep Assist program, while driving under similar conditions. The contact then decided to turn off the active lane departure assist feature to avoid any further potential failures. The dealer nor the manufacturer had yet to be notified of the failure. The vehicle had yet to be repaired. The failure mileage was approximately 400.
The contact owns a 2021 Mercedes-Benz Sprinter 2500. The contact received notification of the federal safety agency Campaign Number: 21V411000 (Electrical System, Back Over Prevention) however, the part to the recall repair was unavailable. The contact took the vehicle to the local dealer and it was confirmed that the part was not available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
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