Mercedes-Benz A Class, B Class Recall R/2010/123: Fuel May Leak, Who Is Affected And What To Do

DVSA reference R/2010/123, campaign code P156. Data updated daily from DVSA.

Urgent
How serious
30 Sep 2010
Launched
147
vehicles in the UK
P156
Manufacturer’s campaign code

Mercedes-Benz recalled A Class, B Class vehicles. It is possible on some fuel tanks that the vent pipe is not to specification. The dealer will replace the fuel tank. You won't usually pay for it.1

What’s Wrong

It is possible on some fuel tanks that the vent pipe is not to specification. This can lead to a small leak into the charcoal canister and if not rectified can over a period of time result in a fuel leak.

DVSA's Original Wording

Concern: FUEL MAY LEAK Defect: It is possible on some fuel tanks that the vent pipe is not to specification. This can lead to a small leak into the charcoal canister and if not rectified can over a period of time result in a fuel leak. Remedy: Recall the affected vehicles and replace the fuel tank.

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

The Risk

If the fault occurs, the recall notice says it could lead to a small leak into the charcoal canister and if not rectified can over a period of time result in a fuel leak.

The Fix

The dealer will replace the fuel tank.

Are You Affected?

A Class, B Class may be included. Mercedes-Benz estimates 147 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 P156 or the DVSA reference R/2010/123. 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
A ClassInterior door handle releaseBook soonR/2026/098
A Class, CLAVariant of rear axle brake hoseUrgentR/2025/131
A Class, B Class, CLA, EQA and 3 moreBackup function of steering softwareUrgentR/2024/166
A Class, C Class, CLA(117), GLA and 2 moreOn affected vehicles the panel located between the windshield and the panoramic sunroof might not have been bonded correctly during a prior service repairLowR/2024/024
A ClassOn affected vehicles the equipped tyres might not meet the load requirementsBook soonR/2023/190

This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2010/113 on 25 Aug 2010, for directional control may be lost. The one launched after it was R/2010/126 on 4 Oct 2010, for oil may leak. You can also see every Mercedes-Benz recall, all recalls launched in 2010 and fuel leak recalls across every make.


Source: DVSA recall R/2010/123, launched 30 September 2010. 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.