Mercedes-Benz C-Class 2005
Cars aged 20 · Data updated: 2026-11-09 (week 46) · source: VDA / Transeksta, CC BY 4.0
Pass the inspection first time
42.2% ±1.7 pp
M1 average at 20 years – 39.5%
n = 3,180 inspections
Expected mileage now (median)
320,370 km
Percentiles · cars aged 20
p10 232k
p25 283k
p50 320k
p75 364k
p90 400k
| km | |
|---|---|
| p10 | 232,387 km |
| p25 | 282,665 km |
| p50 | 320,370 km |
| p75 | 363,543 km |
| p90 | 400,060 km |
Inspection verdicts
C-Class 2005, n = 3,180
| % | |
|---|---|
| No defects | 17.6% |
| Minor defects | 24.6% |
| Major defects | 56.2% |
| Dangerous defects | 1.6% |
Odometer inconsistencies
1.2%
cars whose reading dropped between inspections
CO (petrol, idle)
0.10%
10.2% over the limit · n = 539
Smoke opacity (diesel)
0.49 m⁻¹
19.0% over the limit · n = 2,511
What these numbers say
42.2% of 2005 Mercedes-Benz C-Class cars pass the technical inspection at the first attempt (n = 3,180), against an average of 39.5% for all 20-year-old M1 cars.
At 20 years old, a typical one now shows 320,370 km on the odometer; half of them read between 282,665 km and 363,543 km.
An odometer inconsistency was recorded for 10 cars, 1.2% of those assessed.
The median diesel smoke opacity is 0.49 m⁻¹; 19.0% of measurements exceed the limit.
Figures are not adjusted for how intensively cars are used. How we calculate