2021 Mercedes-Benz Sprinter 3500

8 complaints on file, page 1 of 1.

1. Filed Mar 13, 2026Failure Jun 1, 20248,000 milesSanta Clarita, CAAir bags

   The contact owns a 2021 Mercedes-Benz Sprinter 3500. The contact stated that while driving at an undisclosed speed, the message “Driver’s Side Air Bag Deactivated” was displayed. The vehicle was taken to a dealer, where it was diagnosed, and determined that the wiring harness needed to be rewired. The vehicle was repaired; however, the failure persisted, and the message was displayed. The vehicle was taken back to the dealer, where it was diagnosed with a voltage issue; however, the dealer stated that the vehicle was operating normally. The vehicle was not repaired. The vehicle was taken back to the dealer for another diagnostic test; however, the dealer was unable to determine the cause of the failure. The vehicle was not repaired. The vehicle was taken to the dealer to be diagnosed, and the contact was informed that there was a wiring issue that needed to be corrected and that the air bag needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 8,000.

   NHTSA complaint 11724098
2. Filed May 12, 2025Failure May 12, 2025Lincoln, NEService brakes

   Mercedes Dealership is refusing to get the vehicle in to make this safety recall repair in a timely manner. I have been told that i will need to wait for over a month just to drop the vehicle off with no time frame given in terms of how long the vehicle will be gone while being repaired.

   NHTSA complaint 11660365
3. Filed Mar 30, 2025Failure Mar 17, 2025Dayton, MNService brakes, Steering, Unknown or other

   I am writing to formally raise a critical safety concern regarding the performance and behavior of the Crosswind Assist system in my 2020 Mercedes-Benz Sprinter 3500, upfitted by Airstream as a B-Class RV. This vehicle, identified by VIN [XXX] , exhibited behavior that I believe constitutes a significant and potentially dangerous flaw in its integrated driver-assistance programming. During a westbound trip from Minnesota to Nevada—traversing high-wind corridors in South Dakota, Wyoming, and Utah—the Crosswind Assist system activated on multiple occasions while overtaking large trucks during gusty wind conditions. The system appeared to override driver input by abruptly applying the brakes and modulating throttle response. On one particular occasion, this intervention forced our vehicle laterally toward a semi-truck in the adjacent lane while simultaneously initiating a hard brake event. This caused not only a near side-impact collision but also a chain reaction behind us, as trailing vehicles panic-braked, narrowly avoiding a rear-end collision. This level of autonomous intervention, especially under highway-speed wind shear, presents what I consider a severe safety risk to occupants and other motorists. No reasonable amount of driver anticipation, route planning, or wind-speed awareness could have prevented the unintended and forceful application of braking and steering commands we experienced. Upon referring to the owner’s manual and engaging in discussions on several Airstream and Sprinter-owner forums, I discovered that other owners have experienced similar incidents. Some users referenced the ability to disable the system through authorized Mercedes-Benz diagnostic software. Based on this information, I scheduled a service appointment at Mercedes-Benz of Farmington, Utah on March 17, service invoice [XXX]. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

   NHTSA complaint 11651549
4. Filed Nov 14, 2024Failure Oct 21, 2024Villa Park, CAUnknown or other, Accelerator pedal

   My van has periodic lack of acceleration or dead pedal. There are no warnings that this will occur. This shows itself when trying to advance from a stopped position. When I push the accelerator the van either does not move at all or barely crawls forward. This can last 15-45 seconds. There are no RPMs from the engine. Once the pedal starts to respond, the issue will resolve. The problem is you need to get to that point where the engine can make rated power. Once you put in in drive, and if you're able to idle away from the parking spot, you may find that when you need power to move up a hill or through an intersection, it just isn't there. You can't wait a minute with your foot to the floor when you're in the middle of an intersection. sometimes it will slowly accelerate. This has caused multiple situations where I thought I was going to die due to being out in cross traffic and failing to be able to move. It happens both in reverse and forward. It happens even though I have warmed up the engine for 5 minutes or more. It seems to happen more at altitude but has also happened at sea level. It doesn't seem to matter if the outdoor temperature is warm or cold. The dealer can not detect a problem. I have read many accounts of this happening on MBZ forums. This must be a known issue with MBZ yet they have failed to solve it. Some think it is a sensor initiation issue after a cold soak. Someone is going to die because of this problem if MBZ is not forced to fix it.

   NHTSA complaint 11625256
5. Filed Jan 12, 2023Failure Jan 1, 2023Saint Clair Shores, MIService brakesCrash

   I started my Sprinter, which was converted into a Grech RV, and while still in park a few seconds later, the vehicle started to move. Before I could hop back in the driver's seat to stop the vehicle, it crashed into my garage overhang and significantly damaged my Sprinter's back doors and back structure. How it started to move was a complete mystery to me as it was in park and I had just started the vehicle a few seconds prior. While doing some research, I saw an article in an auto blog forum about Sprinter Van roll-aways. I then received a safety recall notice from Mercedes about this very issue that I experienced. This involves NHTSA Recall #22V796. The incident was reported to my insurance company and the vehicle is currently awaiting repair. Thankfully, no one was injured.

   NHTSA complaint 11501434
6. Filed Jul 30, 2022Failure Mar 17, 2022Memphis, TNSuspension

   My vehicle is listed as one of the 2100+ sprinter vans affected by the incorrect assembly of the torsion bar(Manufacturer Recall Number 2022030013; NHTSA Recall Number 22V131). This recall was issued on March 17, 2022. It has now been over 120 days since that recall was issued and the parts are not yet available. I believe the manufacturer has exceeded a reasonable amount of time for the recall repair.

   NHTSA complaint 11476667
7. Filed Jul 25, 2022Failure Jul 22, 2022Kalamazoo, MISuspension

   The contact owns a 2021 Mercedes- Benz Sprinter 3500. The contact received notification of NHTSA Campaign Number: 22V131000 (Suspension) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

   NHTSA complaint 11475770
8. Filed Apr 26, 2022Failure Apr 5, 2022Goodyear, AZSuspension

   The contact owns a 2019 Mercedes Benz Sprinter. The contact received a notification for NHTSA Campaign Number: 22V131000 (Suspension) however, the part to do the recall repair was not yet available. The dealer was made aware of the issue and confirmed that parts were not yet available. The manufacturer was made aware of the issue. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experienced a failure. VIN tool confirms parts not available.

   NHTSA complaint 11462265