MOT cost .

MOT failure · RFR #30006

Service brake efficiency below minimum requirement

Total

4,711

Models

103

Models most at risk.

Ranked by rate, not raw volume. A Fiesta shows every failure a lot because there are a lot of Fiestas. Rate = share of that model's own MOTs.

  1. 01 Piaggio Porter 7.04%
  2. 02 Volkswagen LT 5.38%
  3. 03 Nissan Cabstar 5.28%
  4. 04 Citroen C15 5.05%
  5. 05 Dfsk Loadhopper 4.67%
  6. 06 Mercedes Benz 308 D 4.52%
  7. 07 Ldv Convoy 4.44%
  8. 08 Talbot Express 1300 P 4.15%
  9. 09 Fiat Coupe 4.10%
  10. 10 Daihatsu Hijet 4.00%
  11. 11 Peugeot 106 3.90%
  12. 12 Ldv Maxus 3.90%
  13. 13 Isuzu Trucks Nkr 77 Turbo Electric DI 3.82%
  14. 14 Citroen ZX 3.71%
  15. 15 Citroen Saxo 3.70%
  16. 16 Alfa Romeo Gtv 3.67%
  17. 17 Rover Metro 3.51%
  18. 18 Fiat Seicento 3.31%
  19. 19 Talbot Express 1300 D 3.29%
  20. 20 Lotus Elan 3.25%
  21. 21 Rover 216 3.22%
  22. 22 Citroen Xantia 3.19%
  23. 23 Peugeot 205 3.02%
  24. 24 Mercedes Benz 208 D 2.78%
  25. 25 Vauxhall Frontera 2.67%
  26. 26 Austin Mini 1000 City E 2.67%
  27. 27 Mitsubishi Delica 2.62%
  28. 28 MG Mgf 2.57%
  29. 29 Honda Crx 2.56%
  30. 30 Toyota Dyna 2.52%

Top 30 by rate. 73 more models also logged this defect.

Cost orientation

Hard to predict in isolation — depends what's actually worn.

This defect doesn't map to a clean retail-part swap; ranges vary too widely without seeing the car. Use the estimator to bracket the all-in cost across the items most likely to surface alongside it.

Open estimator

Frequently asked.

Why does service brake efficiency below minimum requirement fail an MOT?
Service brake efficiency below minimum requirement. Most commonly flagged on the Piaggio Porter. The DVSA's MOT standards require this item to meet minimum safety thresholds — when it falls short, the tester logs it as a Major or Dangerous defect and the car fails outright.
How much does it cost to fix service brake efficiency below minimum requirement?
Costs vary depending on the vehicle, region, and severity. Use our MOT cost estimator for typical UK garage rates across the most common failure items.