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Mercedes-Benz Vito seat belts and airbags problems

DVSA MOT tests 2022–2025 · 31,108 MOT tests · Updated

At 6 years, 0.8 in 100 MOT tests of the Mercedes-Benz Vito failed on seat belts and airbags, against 0.4 for all class 4 vehicles the same age (all test years; 31,108 MOT tests) [1].

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  • Against all class 4 vehicles the same age: fails 2.0–2.5× as often as all class 4 vehicles the same age (all test years), 254 MOT tests with a fail
  • When it starts: clear of 1.2 times from 4 years and at every older age seen
  • Most common fail: Airbag (SRS) warning light on, 0.4 per 100 MOT tests

Figures are for the model as a whole, not for one car.

What the MOT tests show

What we know

0.8 fails per 100 MOT tests at 6 years, against 0.4 for all class 4 vehicles tested at 6 (all test years). The Mercedes-Benz Vito fails more often here.

Why it matters

A seat belts and airbags fail stops the car passing until it is fixed; the most common one is rated major by DVSA.

What to check

Pull every seat belt out fully and let it retract, check each buckle latches and releases, and make sure the airbag light goes out after start-up.

The Mercedes-Benz Vito is a commercial or van-based vehicle: it is compared with all class 4 vehicles, cars and vans together, so part of any difference can come from how vans are used.

Mercedes-Benz Vito seat belts and airbags fails by age

Mercedes-Benz Vito seat belts and airbags fails per 100 MOT tests by ageSolid line: the Mercedes-Benz Vito. Dashed line: all cars the same age. The table below lists every value.02463 years: 0.5 per 100 (all cars 0.3), 21,097 MOT tests34 years: 0.6 per 100 (all cars 0.3), 25,400 MOT tests5 years: 0.8 per 100 (all cars 0.3), 29,246 MOT tests56 years: 0.8 per 100 (all cars 0.4), 31,108 MOT tests7 years: 1.0 per 100 (all cars 0.4), 27,435 MOT tests78 years: 1.1 per 100 (all cars 0.5), 25,668 MOT tests9 years: 1.6 per 100 (all cars 0.6), 21,660 MOT tests910 years: 2.4 per 100 (all cars 0.7), 20,217 MOT tests11 years: 2.9 per 100 (all cars 0.9), 18,766 MOT tests1112 years: 3.0 per 100 (all cars 1.0), 17,762 MOT tests13 years: 2.6 per 100 (all cars 1.2), 17,143 MOT tests1314 years: 2.4 per 100 (all cars 1.5), 17,451 MOT tests15 years: 2.6 per 100 (all cars 1.7), 18,411 MOT tests1516 years: 2.7 per 100 (all cars 2.1), 17,707 MOT tests17 years: 3.7 per 100 (all cars 2.5), 15,468 MOT tests1718 years: 4.4 per 100 (all cars 2.7), 11,630 MOT tests19 years: 4.9 per 100 (all cars 2.9), 7,104 MOT tests1920 years: 6.1 per 100 (all cars 3.1), 3,874 MOT tests21 years: 5.5 per 100 (all cars 3.1), 2,073 MOT tests2122 years: 5.8 per 100 (all cars 3.1), 1,261 MOT tests
Fails per 100 MOT tests by age, all first-use years pooled. Mercedes-Benz Vito All class 4 vehicles the same age Shaded: over 18 years, survivors only.
AgeMOT testsFails per 100All class 4 vehicles the same age
321,0970.50.3
425,4000.60.3
529,2460.80.3
631,1080.80.4
727,4351.00.4
825,6681.10.5
921,6601.60.6
1020,2172.40.7
1118,7662.90.9
1217,7623.01.0
1317,1432.61.2
1417,4512.41.5
1518,4112.61.7
1617,7072.72.1
1715,4683.72.5
1811,6304.42.7
19*7,1044.92.9
20*3,8746.13.1
21*2,0735.53.1
22*1,2615.83.1

All first-use years of the Mercedes-Benz Vito pooled at each age, against all class 4 vehicles at that age over all 2022–2025 test years. * Only survivors are still tested at this age.

What fails in the seat belts and airbags at 6 years

Fails

  • Airbag (SRS) warning light on: 0.4 fails per 100 MOT tests, all class 4 vehicles 0.2. Diagnose and fix airbag (SRS) warning: estimated £39–£317 (0.5–1.5 h at £78/h (ONS local-garage repair quotes, 1,058 quotes from 65 garages, Sep 2025 to Aug 2026) + parts £0–£200) Airbag (SRS) warning lamp indicates a fault MOT fail

Diagnose and fix airbag (SRS) warning cost

Repair figures are estimates, not quotes: how we estimate repair costs.

Buying a Mercedes-Benz Vito? Check that exact car before the viewing.

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  • Model risks for this year and fuel
  • What similar cars did at their next MOT
  • Repairs ahead
  • Viewing checklist

See a sample report

By engine and fuel

  • 2.1 diesel: 0.7 per 100 at 6 years, about average for diesel class 4 vehicles the same age (all test years; 21,647 MOT tests)

How to check on a test drive

Pull every seat belt out fully and let it retract, check each buckle latches and releases, and make sure the airbag light goes out after start-up.

Check one Mercedes-Benz Vito, not the average

The figures here describe Mercedes-Benz Vito cars as a group. These free tools answer for one car. Each line says what the tool reads.

Other Mercedes-Benz Vito problems

Seat belts and airbags on rival models

Questions people ask

Does the Mercedes-Benz Vito have more seat belts and airbags problems than other cars?

2.0 to 2.5 times the seat belts and airbags fail rate of all class 4 vehicles the same age at 6 years (all test years), from 31,108 MOT tests. The interval is clear of 1.2 in the same direction at 13 of the 20 ages seen (ages up to 18 with at least 100 MOT tests with a fail).

How common are Mercedes-Benz Vito seat belts and airbags problems?

0.8 in 100 MOT tests at 6 years failed on seat belts and airbags, against 0.4 for all class 4 vehicles the same age (all test years; 31,108 MOT tests).

What is the most common Mercedes-Benz Vito seat belts and airbags fail?

0.4 in 100 MOT tests at 6 years: Airbag (SRS) warning light on (133 MOT tests with it).

At what age do Mercedes-Benz Vito seat belts and airbags fails start?

4 years: from then on the rate stays clear of 1.2 times all class 4 vehicles the same age at every age seen, 329,384 MOT tests.

Sources

  1. Driver and Vehicle Standards Agency, Anonymised MOT tests and results, 2022 to 2025. DVSA MOT data, Open Government Licence v3.0, 350,481 MOT tests. Accessed 7 Oct 2026.
  2. Office for National Statistics, Consumer price inflation, local price quotes (car repair items). ONS price quotes, series 610236. Accessed 7 Oct 2026.

Parts: against all class 4 vehicles at the same age, all 2022–2025 test years pooled, not adjusted for mileage. Breakdowns and non-MOT faults are not in this data. How we compare