NHTSA campaign 21V539000 · Manufacturer campaign 2021070035
Mercedes Benz Recall 21V-539: Incorrect Transmission Overflow Pipe and Filter
NHTSA recall 21V539000 (Manufacturer campaign 2021070035) was reported by Mercedes-Benz USA, LLC on July 16, 2021, with 371 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mercedes Benz GLK250 for the 2013 model year. Owners were notified on September 3, 2021, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V539000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Mercedes Benz VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 21V539000 (also written 21V-539 or 21V539)
- Filed by
- Mercedes-Benz USA, LLC
- Manufacturer campaign number
- 2021070035
- Report received
- Potentially affected
- 371 vehicles (per NHTSA)
- Component
- Power Train — Automatic Transmission
- Owners notified
Repair completion: 91.64% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 21V539000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Mercedes Benz
Mercedes Benz GLK250
NHTSA's recall notice
As NHTSA's recall record states it for campaign 21V539000.
Defect description
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.
Safety consequence
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.
Manufacturer remedy
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.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Sources
Official NHTSA notice for recall 21V539000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.