The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2013 GLK250 vehicles equipped with 4-cylinder diesel engines. The incorrect type of transmission fluid filter and overflow pipe may have been installed during a service repair, which could result in a transmission fluid leak or control module failure.
The risk
A transmission fluid leak can increase the risk of a fire. In addition, a transmission control module failure could result in a vehicle stall, increasing the risk of a crash.
The fix
Dealers will replace the overflow pipe and transmission fluid filter, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
Recall details
| NHTSA campaign | 21V-539 (21V539000) |
|---|---|
| Manufacturer number | 2021070035 |
| Manufacturer | Mercedes-Benz USA, LLC |
| Component | Power train › Automatic transmission |
| Report date | July 16, 2021 |
| Owners notified | September 3, 2021 |
| Vehicles affected | 371 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the transmission & drivetrain
Frequently asked questions
Is the recall 21V-539 repair free?
Yes. Mercedes-Benz dealers will fix the problem at no cost: Dealers will replace the overflow pipe and transmission fluid filter, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 371 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.