Mercedes-Benz Amg Cla45, model year 2020. Filed by Mercedes-Benz USA, LLC and reported to NHTSA on 26 February 2021. 7 vehicles potentially affected.
What the notice says Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 CLA45 AMG vehicles equipped with 4-cylinder gasoline engines. Incorrect spark plugs may have been installed, which could come apart over time and cause engine damage.
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.
What owners ask about this recall
- Which vehicles does recall 21V124 cover?
- Mercedes-Benz AMG Cla45, model year 2020.
- What is wrong with them?
- Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 CLA45 AMG vehicles equipped with 4-cylinder gasoline engines. Incorrect spark plugs may have been installed, which could come apart over time and cause engine damage.
- What can happen if it is not put right?
- Engine damage may result in an engine stall, 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 spark plugs, free of charge. The recall began April 14, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on.
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: “Engine damage may result in an engine stall, increasing the risk of a crash.”
affected
in the notice
caught
| Campaign | 21V124 |
|---|---|
| Filed by | Mercedes-Benz USA, LLC |
| System at fault | Electrical System:Ignition:Coil:Spark Plugs |
| Reported to NHTSA | 26 February 2021 |
| Model years | 2020-2020 |
| Vehicles named | MERCEDES-BENZ AMG CLA45 |
What the notice says today
The consequence
Engine damage may result in an engine stall, increasing the risk of a crash.
The remedy
MBUSA will notify owners, and dealers will replace the spark plugs, free of charge. The recall began April 14, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
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 1,836 notices in the record whose component field names electrical system. Across that group the median wait before owners were written to was 41 days.
The models named here, across their whole recall history
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 21V124 on 23 August 2026, they were:
- Defect summary
5c76f3eb - Consequence
fe7ef059 - Remedy
f5fade65
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 21V124 · how the whole register is watched
This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Mercedes-Benz AMG Cla45, in all seven, is kept on that vehicle's own page, with the newest in each.
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