Mercedes-Benz A Class, B Class, CLA And 1 More Recall R/2017/179: Vacuum Line Brake Booster May Break, Who Is Affected And What To Do

DVSA reference R/2017/179, campaign code SRPC1722. Data updated daily from DVSA.

Urgent
How serious
20 Jun 2017
Launched
4,787
vehicles in the UK
SRPC1722
Manufacturer’s campaign code

Mercedes-Benz recalled A Class, B Class, CLA and 1 more vehicles built between 1 April 2011 and 30 April 2013. The connection fitting of the vacuum line to the brake booster is not to specification and my not be durable. The recall notice describes the fix as: that are likely to be affected and replace the vacuum line on the brake booster with a quality assured component. You won't usually pay for it.1

What’s Wrong

The connection fitting of the vacuum line to the brake booster is not to specification and my not be durable. If the connection fails the brake booster will no longer be supplied with vacuum. After a few brake applications the driver will have to apply additional pressure to the brake pedal to gain the appropriate braking effect.

DVSA's Original Wording

Concern: VACUUM LINE BRAKE BOOSTER MAY BREAK Defect: The connection fitting of the vacuum line to the brake booster is not to specification and my not be durable. If the connection fails the brake booster will no longer be supplied with vacuum. After a few brake applications the driver will have to apply additional pressure to the brake pedal to gain the appropriate braking effect. Remedy: Recall the vehicles that are likely to be affected and replace the vacuum line on the brake booster with a quality assured component.

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

The Risk

The recall notice describes the concern as: vacuum line brake booster may break.

The Fix

The recall notice describes the fix as: that are likely to be affected and replace the vacuum line on the brake booster with a quality assured component.

Are You Affected?

A Class, B Class, CLA and 1 more built between 1 April 2011 and 30 April 2013 may be included. Mercedes-Benz estimates 4,787 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 SRPC1722 or the DVSA reference R/2017/179. 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/2017/177 on 20 Jun 2017, for airbag may not deploy correctly. The one launched after it was R/2017/214 on 18 Jul 2017, for oil leak from turbocharger feed pipe. You can also see every Mercedes-Benz recall, all recalls launched in 2017 and brake recalls across every make.


Source: DVSA recall R/2017/179, launched 20 June 2017. 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.