Mercedes-Benz Gla250, model year 2019. Filed by Mercedes-Benz USA, LLC and reported to NHTSA on 29 January 2021. 4 vehicles potentially affected.
What the notice says Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 GLA 250 vehicles. The power supply for the automatic transmission control unit might be interrupted while driving, possibly causing the transmission to shift into neutral.
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
Mercedes-Benz's own number for this recall: 2021020038. That is the number on the owner letter and on the dealer paperwork. 21V033 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 21V033 cover?
- Mercedes-Benz Gla250, model year 2019.
- What is wrong with them?
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 GLA 250 vehicles. The power supply for the automatic transmission control unit might be interrupted while driving, possibly causing the transmission to shift into neutral.
- What can happen if it is not put right?
- If the transmission shifts into neutral while driving, there would be loss of drive power, increasing the risk of a crash.
- Is there a fix yet?
- Yes, and it is free. MBUSA will notify owners, and dealers will replace the transmission control unit, free of charge. The recall began March 18, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021020038.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Mercedes-Benz calls this recall 2021020038, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “If the transmission shifts into neutral while driving, there would be loss of drive power, increasing the risk of a crash.”
affected
in the notice
caught
| Campaign | 21V033 |
|---|---|
| Filed by | Mercedes-Benz USA, LLC |
| System at fault | Power Train:Automatic Transmission:Control Module (TCM/PCM/Tecm) |
| Reported to NHTSA | 29 January 2021 |
| Model years | 2019-2019 |
| Vehicles named | MERCEDES-BENZ GLA250 |
What the notice says today
The consequence
If the transmission shifts into neutral while driving, there would be loss of drive power, increasing the risk of a crash.
The remedy
MBUSA will notify owners, and dealers will replace the transmission control unit, free of charge. The recall began March 18, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021020038.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 816 notices in the record whose component field names power train. Across that group the median wait before owners were written to was 42 days.
Last checked . No change has been recorded in the wording.
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 21V033, wording as read on 16 September 2026. https://carsmultiverse.com/recall/21v033/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 21V033 on 23 August 2026, they were:
- Defect summary
919a2d6a - Consequence
2ec94f46 - Remedy
37818748
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 21V033 · how the whole register is watched
Put this notice on your site
A small badge that links here and names the register's reference. It costs one line of HTML and needs no key.
The badge is free to use. It links to this page and nowhere else, and it never shows advertising.
Owners of these cars
No register publishes what happens after the letter. Owners do: tell us, in two taps.
Anonymous: no account, no cookie, nothing you type is stored beyond these choices. Figures appear once 3 owners have answered, and are published with the record under CC BY 4.0.