Mercedes-Benz A Class, B Class, CLA Recall R/2019/217: The Software Of The Transmission Control Unit Might Not Meet Specification, Who Is Affected And What To Do

DVSA reference R/2019/217, campaign code SRPC1919. Data updated daily from DVSA.

Low
How serious
30 Jul 2019
Launched
1,209
vehicles in the UK
SRPC1919
Manufacturer’s campaign code

Mercedes-Benz recalled A Class, B Class, CLA vehicles built between 1 July 2018 and 28 February 2019. Under certain circumstances it might not be possible to shift into Drive or Reverse mode. The dealer will update the transmission control unit software of the affected vehicles. You won't usually pay for it.1

What’s Wrong

Under certain circumstances it might not be possible to shift into Drive or Reverse mode.

DVSA's Original Wording

Concern: THE SOFTWARE OF THE TRANSMISSION CONTROL UNIT MIGHT NOT MEET SPECIFICATION. Defect: Under certain circumstances it might not be possible to shift into Drive or Reverse mode. Remedy: Update the transmission control unit software of the affected vehicles.

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

The Risk

The recall notice describes the concern as: the software of the transmission control unit might not meet specification.

The Fix

The dealer will update the transmission control unit software of 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 built between 1 July 2018 and 28 February 2019 may be included. Mercedes-Benz estimates 1,209 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 SRPC1919 or the DVSA reference R/2019/217. 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/2019/208 on 30 Jul 2019, for possible severe corrosion of metal components in the rear area of the roof bed. The one launched after it was R/2019/223 on 9 Aug 2019, for an incorrect brake line variant may have been installed. You can also see every Mercedes-Benz recall, all recalls launched in 2019 and software recalls across every make.


Source: DVSA recall R/2019/217, launched 30 July 2019. 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.