Does the Citroen C4 Cactus fail the MOT on lamps, reflectors and electrics more than it should?

The Citroen C4 Cactus records 9.29 lamps, reflectors and electrics failure items per 100 initial MOT tests (2019–2024), against 3.96 expected for a car of the same age mix: more than expected for its class and age (+5.33, 95% interval +5.13 to +5.52). It ranks 144 of 729 models on lamps, reflectors and electrics (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on lamps, reflectors and electrics · check a Citroen C4 Cactus by registration

What exactly fails on lamps, reflectors and electrics?

The most frequent DVSA defect wording in this group on the Citroen C4 Cactus is “A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources”, recorded 2,681 times in 2019–2024.

Citroen C4 Cactus: most frequent lamps, reflectors and electrics defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources	2,681	2.92
The aim of a headlamp is not within limits laid down in the requirements	1,227	1.34
A headlamp or light source missing, inoperative or more than ½ not functioning in the case of LED	1,156	1.26
A rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps	713	0.78
Lamp not securely attached	506	0.55

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 91,799 (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

Does the Citroen C4 Cactus fail the MOT on lamps, reflectors and electrics more than it should?

What exactly fails on lamps, reflectors and electrics?

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