2020 Mercedes-Benz Citan 109 Pure Cdi MOT pass rate: 77.4% (3,408 tests)

2020-registered Mercedes-Benz Citan 109 Pure Cdis passed 77.4% of 3,408 MOT tests in 2023–2025 — 12.5 points worse than same-age cars (89.9%).
77.4%Pass rate, 2020 cars
87.5Age-adjusted index (100 = average)
3,408Tests analysed
56,834 miMedian mileage at test

Is the 2020 Citan 109 Pure Cdi getting worse?

Pass rate of 2020-registered cars across recent test years:

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Test yearPass ratePass-rate bar
202377.3%
-13.6 vs same-age
77.3% visual scale
202475.8%
-14.2 vs same-age
75.8% visual scale
202579.2%
-9.7 vs same-age
79.2% visual scale

The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.

What fails on a 2020 Citan 109 Pure Cdi

Scroll horizontally to read every failure column.

#SystemDefects recordedShare
1Lamps, reflectors and electrical equipment74438.5%
2Tyres38419.9%
3Brakes35318.3%
4Visibility20910.8%
5Noise, emissions and leaks1145.9%
6Suspension402.1%

All Citan 109 Pure Cdi years compared

Scroll horizontally to compare every registration-year column.

Registration yearTestsPass rateVs same-ageMedian mileage
2020 (this page) 3,408 77.4% -12.5 pts 56,834
2021 1,776 79.9% -10.5 pts 53,161
Buying a 2020 Citan 109 Pure Cdi? Two checks first

FAQs

Is a 2020 Mercedes-Benz Citan 109 Pure Cdi reliable?

2020-registered examples passed 77.4% of their MOT tests (3,408 tests, 2023–2025), -12.5 points versus all UK cars registered in the same year. At roughly 6 years old with a median 56,834 miles, condition now varies car by car — always check the individual MOT history.

What mileage is too high for a 2020 Citan 109 Pure Cdi?

The median tested example shows 56,834 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.

Before you agree to the work

A fault or an advisory is a quote waiting to happen. These pages set out what a garage has to tell you, what a comparable written quote should include, and what you can do if the bill is not what you agreed.

Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under the Open Government Licence v3.0.