repaired · 2026 Q3
Electrical system: instrument cluster/panel
Risk. A display that is too bright can make it difficult for the driver to see critical safety information, increasing the risk of a crash.
2021 Mercedes-Benz Sprinter 3500Problems, recalls & complaints
NHTSA has logged 8 owner complaints about the 2021 Mercedes-Benz Sprinter 3500, most often about the service brakes. It is covered by 16 safety recalls, and for recall 23V-806 the manufacturer reports only 24% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through March 13, 2026. Updated daily.
Complaints by system
Where the 2021 Mercedes-Benz Sprinter 3500 has problems
8 complaints grouped by the system owners reported.
3Service brakes1 crash/fire/injury
3Suspension
1Air bags
1Steering
1Vehicle speed control
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Service brakes | 3 | 1 |
| Suspension | 3 | 0 |
| Air bags | 1 | 0 |
| Steering | 1 | 0 |
| Vehicle speed control | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
16 recalls
2021 Mercedes-Benz Sprinter 3500 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2025 Q4
Structure: critical fasteners
Risk. A detached partition wall can increase the risk of injury.
repaired · 2025 Q4
Structure: critical fasteners
Risk. Reduced stability increases the risk of a crash.
repaired · 2026 Q3
Structure: body
Risk. An insufficiently bonded window can detach during a crash, and objects secured to an insufficiently bonded interior lashing rail can detach, increasing the…
Show 12 more recalls
repaired · 2025 Q1
Electrical system: instrument cluster/panel
Risk. A blank instrument panel will not show critical information, such as vehicle speed, fuel gauge, warning messages, and warning lights, increasing the risk of a…
repaired · 2024 Q4
Internal: park pawl
Risk. Vehicle rollaway increases the risk of a crash.
repaired · 2024 Q3
Communication: auto crash notification
Risk. A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency…
repaired · 2024 Q2
Back over prevention: display function
Risk. An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.
repaired · 2024 Q2
Springs: torsion bar
Risk. An incorrectly assembled torsion bar may fail at the connection between the torsion bar and linkage, resulting in a loss of vehicle stability, and increasing…
repaired · 2023 Q4
Other: labels
Risk. The operator may overload the vehicle, resulting in excessive tire wear and increasing the risk of a crash.
repaired · 2023 Q4
Structure
Risk. Loose bolt fasteners may allow the rear step to separate from the vehicle, becoming a road hazard and increasing the risk of a crash.
repaired · 2023 Q4
Foundation components: hoses, lines/piping, and fittings
Risk. A damaged brake hose may leak brake fluid, extending the distance needed to stop the vehicle and increasing the risk of a crash.
repaired · 2023 Q3
Electrical system: wiring
Risk. An electrical short can increase the risk of a fire.
repaired · 2023 Q3
Seat belts
Risk. An unsecured child restraint system can increase the risk of injury during a crash.
repaired · 2023 Q2
Back over prevention: display function
Risk. A backup camera that displays a blank image reduces the driver's rear view, increasing the risk of a crash or injury.
repaired · 2023 Q2
Passenger side frontal: cushion
Risk. Damage to the wiring harness can prevent the side air bag within the seat to deploy inadvertently or not deploy as designed, increasing the risk of injury.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.
Best & worst years
2021 vs. every other Sprinter 3500 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Sprinter 3500 median. How we score
'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24
- Avoid
- Caution
- Solid
- Best
- Not rated
In owners' words
What Sprinter 3500 owners report
Recent service brakes complaints filed with NHTSA, shortened. Personal details are removed.
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.
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…
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…
Own a 2021 Sprinter 3500?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.