MG MG5EV Recall R/2021/377: Brake Lights Are Not Activated When The Car Is Regeneratively Braking Over 1.3m/s2, Who Is Affected And What To Do
- Urgent
- How serious
- 22 Nov 2021
- Launched
- 5,803
- vehicles in the UK
- AS-21-03
- Manufacturer’s campaign code
MG recalled MG5EV vehicles built between 22 June 2020 and 27 August 2021. Brake lights are not activated when the car is regeneratively braking over 1.3m/s2. The recall notice describes the fix as: a software reflash of the vehicle Gateway Module to ensure that the brake lights are activated according to the regulation. You won't usually pay for it.1
What’s Wrong
Brake lights are not activated when the car is regeneratively braking over 1.3m/s2.
DVSA's Original Wording
Concern: BRAKE LIGHTS ARE NOT ACTIVATED WHEN THE CAR IS REGENERATIVELY BRAKING OVER 1.3m/s2 Defect: Brake lights are not activated when the car is regeneratively braking over 1.3m/s2. Remedy: A software reflash of the vehicle Gateway Module to ensure that the brake lights are activated according to the regulation.
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
The recall notice describes the concern as: brake lights are not activated when the car is regeneratively braking over 1.3m/s2.
The Fix
The recall notice describes the fix as: a software reflash of the vehicle Gateway Module to ensure that the brake lights are activated according to the regulation. The fix is a software update, which usually takes under an hour at the dealer.
Are You Affected?
MG5EV built between 22 June 2020 and 27 August 2021 may be included. MG estimates 5,803 vehicles in the UK. Enter your registration to check, then confirm by VIN with MG, because not every car in the date range may be included.
Which Car Is It?
Choose the make and model so we can match recalls to your car.
What To Do Now
- Check your car by registration above, then by VIN with MG.
- Book with any franchised MG dealer, quoting the campaign code AS-21-03 or the DVSA reference R/2021/377. See how to get a MG recall fixed.
- Follow the letter's instructions until the repair is done. See can you drive a car with a recall?.
Related Recalls
| Launched | Vehicle and fault | Severity | Reference |
|---|---|---|---|
| MG6Reduction in braking performance | Urgent | R/2015/236 |
This is one of 12 MG recalls in DVSA’s data. The MG recall launched before it was R/2021/216 on 11 Jun 2021, for fuel tank strap bolts were not manufactured to the correct hardness specification. The one launched after it was R/2022/355 on 7 Jan 2023, for potential for MG4 vehicles to superlock whilst still in running mode. You can also see every MG recall, all recalls launched in 2021 and brake recalls across every make.
Source: DVSA recall R/2021/377, launched 22 November 2021. Data updated 15 October 2026. How we grade urgency.
Sources
- 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.