Mercedes-Benz A Class, C Class, CLK And 4 More Recall R/2008/147: Engine Emergency Shut Off On Board Diagnosis Or Tank/speedo Signal May Be Affected, Who Is Affected And What To Do
- Low
- How serious
- 10 Nov 2008
- Launched
- 72
- vehicles in the UK
- P123
- Manufacturer’s campaign code
Mercedes-Benz recalled A Class, C Class, CLK and 4 more vehicles built between 1 January 2004 and 8 October 2008. Possibility of transfer of incorrect control unit software which could affect engine shut off control in an emergency situation or the on board diagnosis system or tank/speedometer signal. The dealer will replace SAM control unit. You won't usually pay for it.1
What’s Wrong
Possibility of transfer of incorrect control unit software which could affect engine shut off control in an emergency situation or the on board diagnosis system or tank/speedometer signal.
DVSA's Original Wording
Concern: ENGINE EMERGENCY SHUT OFF ON BOARD DIAGNOSIS OR TANK/SPEEDO SIGNAL MAY BE AFFECTED Defect: Possibility of transfer of incorrect control unit software which could affect engine shut off control in an emergency situation or the on board diagnosis system or tank/speedometer signal Remedy: Recall affected vehicles and replace SAM control unit
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
The recall notice describes the concern as: engine emergency shut off on board diagnosis or tank/speedo signal may be affected.
The Fix
The dealer will replace SAM control unit.
Are You Affected?
A Class, C Class, CLK and 4 more built between 1 January 2004 and 8 October 2008 may be included. Mercedes-Benz estimates 72 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.
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 Mercedes-Benz.
- Book with any franchised Mercedes-Benz dealer, quoting the campaign code P123 or the DVSA reference R/2008/147. See how to get a Mercedes-Benz 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 |
|---|---|---|---|
| CLS, E Class, GLCDrive shaft joint | Low | R/2026/148 | |
| E ClassCoolant pump control software | Low | R/2026/201 | |
| A ClassInterior door handle release | Book soon | R/2026/098 | |
| E ClassRouting of transmission wiring harness | Book soon | R/2025/534 | |
| C Class, EQE, GLCBolting of steering coupling | Urgent | R/2025/333 |
This is one of 833 Mercedes-Benz recalls in DVSA’s data. The Mercedes-Benz recall launched before it was R/2008/137 on 10 Nov 2008, for potential failure of rear axle. The one launched after it was R/2008/148 on 10 Nov 2008, for front lights / indicators and console lights may fail. You can also see every Mercedes-Benz recall, the Mercedes-Benz C Class recall history, all recalls launched in 2008 and software recalls across every make.
Source: DVSA recall R/2008/147, launched 10 November 2008. 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.