Mercedes Citan 109 Pure CDI
Reliability, estimated running costs, and MOT data across 3 model years from 3,526 MOT tests in 2024.
Avg Pass Rate
84%
Total Tests
3,526
Highest Pass Rate
2019 (89%)
Years Covered
3
About the Mercedes Citan 109 Pure CDI
The Mercedes Citan 109 Pure CDI was MOT tested 3,526 times in 2024 (DVSA data, retests included) across 3 model years (2019 to 2021), with an average pass rate of 84%. That's slightly above the average of 82% across all models in our data. Our records list diesel versions.
Best and Worst Years
Of the years with at least 100 tests, the 2019 model has the highest pass rate at 89% from 161 tests. The 2020 model has the lowest at 81%. The 8 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.
Reliability Trend
Older Mercedes Citan 109 Pure CDIs tend to have better MOT pass rates than newer ones, with an average decline of 7 percentage points across model years.
Mileage Across Years
The oldest model in our data (2019) averages 78,945 miles, while the newest (2021) averages 51,525 miles.
Estimated Running Costs
Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.
Full 2021 detailsHow reliable is the Mercedes Citan 109 Pure CDI?
Mercedes Citan 109 Pure CDI by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Mercedes Citan 109 Pure CDI
Is the Mercedes Citan 109 Pure CDI reliable?
Across its 3 model years in our data (2019 to 2021), the Mercedes Citan 109 Pure CDI averages an 84% MOT pass rate, from 3,526 tests (DVSA MOT data for tests in 2024, retests included). That's 2 points above the average of 82% across all models in the same data. The 2019 model has the highest pass rate of the years with at least 100 tests, at 89%.
Which year Mercedes Citan 109 Pure CDI has the best MOT pass rate?
Of the years with at least 100 tests, the 2019 Mercedes Citan 109 Pure CDI has the highest MOT pass rate at 89%, while the 2020 model has the lowest at 81%, a 8 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Are newer Mercedes Citan 109 Pure CDIs more reliable?
Older Mercedes Citan 109 Pure CDIs tend to have better MOT pass rates than newer ones, with an average decline of 7 percentage points across model years.
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