Recorded in
of every MOT test in our data — 476,001 records across 1,461 models.
The SRS warning lamp indicates a fault MOT failure is recorded in 0.4% of all MOT tests in the DVSA data — 476,001 records across 1,461 models. A typical repair costs £3–£12. This page explains what the item means, how testers write it down, what a repair usually involves and Rover 75 records it most often for its size.
Recorded in
of every MOT test in our data — 476,001 records across 1,461 models.
Fixed at the test
11%
were put right on the spot, so a fail was not recorded.
Typical cost
£3–£12
Usually a DIY or independent-garage job. Estimate, fitted where needed.
SRS warning lamp indicates a fault is an MOT inspection item in the seat belts and supplementary restraint systems section of the manual. The tester records it when they see the condition the description names — here, when sRS warning lamp indicates a fault. How serious it is — fail, minor or advisory — comes from the tester's grading in the DVSA record, not from this page.
Recorded in 0.4% of every MOT test in our data — 476,001 records across 1,461 models. That is 0% in every hundred tests, which puts SRS warning lamp indicates a fault in the middle of the items testers record.
Of the 476,001 records for this item, 78.7% of the records are a fail (Major or Dangerous), 10.8% were put right at the test and recorded as rectified and 10.5% are advisories that did not fail the car.
Testers do not all write the same thing. These are the exact DVSA strings from the records for this item, each with how many tests it was written on — the page's keyword vocabulary comes straight from them.
A typical repair on this item costs £3–£12 at UK prices, and it is usually a DIY or independent-garage job. The bracket is our estimate from reported prices and parts, rather than a DVSA figure — see how it is built on the method page.
How the price brackets are built · full repair cost list · add it to your fail-sheet total.
As a rate of each model's own tests, Rover 75 and Nissan Almera lead the list: Rover 75 records it on 3.5% of its tests. The rate, not the volume, is what matters here — a model with 20,000 tests can outrank one with a million.
| # | Model | Rate | Tests | Detail |
|---|---|---|---|---|
| 1 | Rover 75 | 3.5% | 28,888 | — |
| 2 | Nissan Almera | 3.1% | 54,229 | — |
| 3 | Nissan Primastar | 2.5% | 37,947 | — |
| 4 | SEAT Tarraco | 2.3% | 22,238 | — |
| 5 | SEAT Altea | 2.3% | 51,016 | — |
| 6 | Chevrolet Captiva | 2.2% | 23,583 | — |
| 7 | BMW 525 | 2.1% | 46,357 | — |
| 8 | Nissan NV200 | 2.1% | 100,010 | — |
| 9 | Mercedes-Benz Clk | 1.9% | 104,027 | 4.7× · year by year → |
| 10 | Nissan Pathfinder | 1.8% | 22,325 | — |
| 11 | Renault Kangoo | 1.7% | 221,971 | 4.3× · year by year → |
| 12 | Mitsubishi Colt | 1.7% | 86,319 | — |
| 13 | MG Tf | 1.7% | 32,921 | — |
| 14 | Volkswagen Beetle | 1.6% | 167,030 | 4.0× · year by year → |
| 15 | Volkswagen Crafter | 1.5% | 25,501 | — |
| 16 | Mercedes-Benz A-Class | 1.4% | 850,750 | 3.8× · year by year → |
| 17 | BMW Z4 | 1.4% | 121,314 | — |
| 18 | Peugeot 206 | 1.4% | 175,269 | 3.5× · year by year → |
| 19 | BMW 530 | 1.3% | 77,640 | — |
| 20 | SEAT Mii | 1.3% | 62,831 | — |
| Year | Recorded in |
|---|---|
| 2010 | 0.6% |
| 2011 | 0.5% |
| 2012 | 0.5% |
| 2013 | 0.4% |
| 2014 | 0.3% |
| 2015 | 0.3% |
| 2016 | 0.2% |
| 2017 | 0.1% |
| 2018 | 0.1% |
| 2019 | 0.1% |
| 2020 | 0.1% |
| 2021 | 0.1% |
| 2022 | 0.1% |
| 2023 | 0.1% |
| 2024 | 0.1% |
| 2025 | 0.2% |
These are rates by year of registration from 2010 to 2025, not year of test, so the curve mostly reflects age — a recent car has barely been to a test station. Compare models at the same age instead.
It is recorded in 0.4% of all MOT tests — 476,001 records across 1,461 models.
78.7% of the records for it are a fail, 10.8% were fixed at the test, 0.0% are minor and 10.5% are advisories. In short, it is a fail (Major or Dangerous) most of the time.
Rover 75 and Nissan Almera head the list, at a rate of each model's own tests — Rover 75 records it on 3.5%. Only models with at least 20,000 recorded tests are shown.
Typically £3–£12 fitted, and it is usually a DIY or independent-garage job. That is an estimate from reported prices, not a DVSA figure.
All 83 common MOT failures → Repair cost list → Failed your MOT? What now →