Mercedes-Benz S Class Recall R/2011/151: Front Seat Belt Height Adjusters May Fail, Who Is Affected And What To Do

DVSA reference R/2011/151, campaign code P179. Data updated daily from DVSA.

Urgent
How serious
5 Dec 2011
Launched
33
vehicles in the UK
P179
Manufacturer’s campaign code

Mercedes-Benz recalled S Class vehicles. The treaded connection of the front belt height adjuster may not correspond to the high quality required of Mercedes Benz under heavy loads. The dealer will replace the front height adjusters including the threaded connection. You won't usually pay for it.1

What’s Wrong

The treaded connection of the front belt height adjuster may not correspond to the high quality required of Mercedes Benz under heavy loads.

DVSA's Original Wording

Concern: FRONT SEAT BELT HEIGHT ADJUSTERS MAY FAIL Defect: The treaded connection of the front belt height adjuster may not correspond to the high quality required of Mercedes Benz under heavy loads. Remedy: Replace the front height adjusters including the threaded connection.

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

The Risk

The recall notice describes the concern as: front seat belt height adjusters may fail.

The Fix

The dealer will replace the front height adjusters including the threaded connection.

Are You Affected?

S Class may be included. Mercedes-Benz estimates 33 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 P179 or the DVSA reference R/2011/151. 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
S ClassWindshield bondingLowR/2026/191
AMG GT, GLC, S Class, SLProcessor Starter/GeneratorUrgentR/2025/124
AMG GT, C Class, CLE, E Class and 5 moreSystem protectionLowR/2024/130
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
S ClassA 12V ground connection bolt in the boot might not meet specificationsLowR/2023/259

This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2011/142 on 5 Dec 2011, for control may be lost. The one launched after it was R/2011/172 on 26 Jan 2012, for fuel may leak. You can also see every Mercedes-Benz recall, all recalls launched in 2011 and seat belt recalls across every make.


Source: DVSA recall R/2011/151, launched 5 December 2011. 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.