Mercedes-Benz A Class, B Class, CLA And 4 More Recall R/2024/166: Backup Function Of Steering Software, Who Is Affected And What To Do

DVSA reference R/2024/166, campaign code SRPC2404 /5499117. Data updated daily from DVSA.

Urgent
How serious
6 May 2024
Launched
314,515
vehicles in the UK
SRPC2404 /5499117
Manufacturer’s campaign code

Mercedes-Benz recalled A Class, B Class, CLA and 4 more vehicles built between 25 January 2018 and 2 February 2024. The backup function of the steering software might not meet specifications. The dealer will update the software of the electric steering on the affected vehicles. You won't usually pay for it.1

What’s Wrong

The backup function of the steering software might not meet specifications. As a result the steering power support might be impaired and a loss of steerability cannot be ruled out.

DVSA's Original Wording

Concern: SRPC2404 - Backup function of steering software Defect: On affected vehicles the backup function of the steering software might not meet specifications. As a result the steering power support might be impaired and a loss of steerability cannot be ruled out. Remedy: Update the software of the electric steering on the affected vehicles.

Contains public sector information licensed under the Open Government Licence v3.0.

The Risk

The recall notice describes the concern as: backup function of steering software.

The Fix

The dealer will update the software of the electric steering on the affected vehicles. The fix is a software update, which usually takes under an hour at the dealer.

Are You Affected?

A Class, B Class, CLA and 4 more built between 25 January 2018 and 2 February 2024 may be included. Mercedes-Benz estimates 314,515 vehicles in the UK. Enter your registration to check, then confirm by VIN with Mercedes-Benz, because not every car in the date range may be included.

What To Do Now

  1. Check your car by registration above, then by VIN with Mercedes-Benz.
  2. Book with any franchised Mercedes-Benz dealer, quoting the campaign code SRPC2404 /5499117 or the DVSA reference R/2024/166. See how to get a Mercedes-Benz recall fixed.
  3. Follow the letter's instructions until the repair is done. See can you drive a car with a recall?.
LaunchedVehicle and faultSeverityReference
CLA, GLBElectric drive unit power electronicsLowR/2026/315
CLA, GLBSoftware version of communication moduleLowR/2026/203
A ClassInterior door handle releaseBook soonR/2026/098
CLABolting of front seats and belt bucklesUrgentR/2025/533
CLAVariant of 48V wiring harnessUrgentR/2025/556

This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2024/016 on 25 Apr 2024, for coding headlamp control unit. The one launched after it was R/2024/202 on 14 May 2024, for battery pole cover. You can also see every Mercedes-Benz recall, all recalls launched in 2024 and software recalls across every make.


Source: DVSA recall R/2024/166, launched 6 May 2024. Data updated 15 October 2026. How we grade urgency.

Sources

  1. The Code does not itself say repairs are free. GOV.UK guidance says "You will not usually have to pay for any repairs or parts under a safety recall." gov.uk Checked 15 Oct 2026.