Hearth Record

Power train: automatic transmission (Mercedes-Benz)

Vehicle recall 21V-539. NHTSA received Mercedes-Benz USA, LLC’s report on Jul 16, 2021.

NHTSA’s own record, on nhtsa.gov

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The short answer

NHTSA received Mercedes-Benz USA, LLC’s report on Jul 16, 2021. Copied from NHTSA on Oct 20, 2026.

Every line below is in NHTSA’s own words, with its source beside it.

What’s wrong with it?

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.

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.

Source:

NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.

  • NHTSA’s part: Power train: automatic transmission.

What should you do?

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.

Source:

NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.

  • How to reach the firm: 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.
  • Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.

Which ones are recalled?

NHTSA counts 371 vehicles potentially involved, across everything this recall names.

Source:

NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.

  • Mercedes-Benz GLK250and 2013, before the model years listed here

Who is recalling it?

  • Made by Mercedes-Benz USA, LLC.
Source:

NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.

What the record doesn’t say

  • NHTSA’s recall file doesn’t say whether anyone was hurt.
  • Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
  • This recall names only model years before 2015, which have no pages here. Your VIN, at NHTSA, says which recalls are open on a vehicle.
  • How many have been returned or fixed isn’t in the notice.
Source:

Hearth Record wrote these lines.

Sources

  • National Highway Traffic Safety Administration, Recalls flat file (FLAT_RCL_POST_2010).

    Released Oct 20, 2026 and checked Oct 20, 2026. Updated daily. Public domain (U.S. Government work).

Source:

Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 20, 2026.

How to read a record

Four things every record does, shown on an example record made up for this guide.

An example record, made up for this guide

An example nursing home

Made up for this guide: no real place is shown

Not fully inspected in over two years (CMS flag)

11 health citations at the latest inspection cycle

The state average is 14.3.

Source:

CMS, State and US Averages and Health Deficiencies. Released Oct 28, 2026. Updated monthly.

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Every fact names its source.

Who published it, when, and how often it changes sit beside each fact, with a link to the agency’s own file.

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