Does the Mazda Bongo fail the MOT on visibility more than it should?

The Mazda Bongo records 13.08 visibility failure items per 100 initial MOT tests (2019–2024), against 11.18 expected for a car of the same age mix: more than expected for its class and age (+1.90, 95% interval +1.62 to +2.17). It ranks 142 of 746 models on visibility (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on visibility · check a Mazda Bongo by registration

What exactly fails on visibility?

The most frequent DVSA defect wording in this group on the Mazda Bongo is “Wiper blade missing or obviously not clearing the windscreen”, recorded 3,793 times in 2019–2024.

Mazda Bongo: most frequent visibility defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
Wiper blade missing or obviously not clearing the windscreen	3,793	5.71
Windscreen washers not working or not providing sufficient fluid to clear the windscreen	1,730	2.61
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view	1,524	2.29
Wiper blade defective	1,032	1.55
Obligatory mirror or device slightly damaged or loose	175	0.26

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 66,406 (initial tests) · Method: failure items (major and minor) grouped by DVSA's defect tree; wordings with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

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Does the Mazda Bongo fail the MOT on visibility more than it should?

What exactly fails on visibility?

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