Mercedes C250 Reliability, MOT Pass Rate & Common Faults
Free Mercedes C250 car check
Is the Mercedes C250 reliable? We analysed 1,474 real MOT tests across 112 vehicles to find out.
Got a specific Mercedes C250? Enter the reg for a free check:
The Mercedes C250 is above average for reliability based on real UK MOT data. Common problems include tyre tread depth below requirements of 1.6mm, brake pipe excessively corroded and brake hose excessively deteriorated. Here's everything you need to know before buying a used Mercedes C250.
Mercedes C250 Number Plates
Number plates registered to a Mercedes C250. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Mercedes C250 MOT Pass Rate by Year
How likely is a Mercedes C250 to pass its MOT? Here's the pass rate for each registration year, newest first.
Mercedes C250 Problems — What Goes Wrong?
The most common reasons a Mercedes C250 fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Mercedes C250 Common Faults & Problems
These are the most common serious faults found on Mercedes C250 models during MOT testing — flagged as dangerous or major failures that need immediate attention.
Mercedes C250 Mileage — What's Normal?
How many miles does a typical Mercedes C250 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Mercedes C250 MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Mercedes C250 year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2012 | 204 | 81.4% | 64,836 | 91,693 | 125,326 |
| 2011 | 369 | 81.6% | 51,403 | 75,042 | 106,310 |
| 2010 | 155 | 80.0% | 60,716 | 98,814 | 125,556 |
| 2009 | 241 | 77.6% | 49,965 | 88,065 | 123,478 |
| 2000 | 72 | 73.6% | 120,769 | 147,629 | 181,815 |
| 1999 | 60 | 81.7% | 90,256 | 120,588 | 156,168 |
| 1998 | 139 | 71.9% | 86,357 | 114,912 | 140,383 |
| 1997 | 154 | 72.7% | 124,515 | 150,902 | 224,864 |
How Long Does a Mercedes C250 Last?
Based on 112 Mercedes C250 vehicles on UK roads.
Mercedes C250 Mileage Distribution
Total mileage recorded across all Mercedes C250 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.
Best Year to Buy a Used Mercedes C250
Based on MOT pass rates across all registration years with sufficient test data.
81.7% MOT pass rate from 60 tests
71.9% MOT pass rate from 139 tests
The best year to buy a used Mercedes C250 is 1999, which has the highest MOT pass rate at 81.7% across 60 tests. The 1998 model year has the lowest pass rate at 71.9% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Mercedes C250 Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Mercedes C250 THIS CAR | 78.3% | 1,474 | 101,336 mi | 29 yrs |
| Mercedes Motorhome | 76.7% | 14,848 | 66,873 mi | 45 yrs |
| Mercedes Unknown | 79.2% | 11,881 | 102,484 mi | 39 yrs |
| Mercedes Camper | 74.6% | 8,342 | 82,260 mi | 47 yrs |
| Hyosung RX125 | 68.8% | 1,112 | 9,200 mi | 24 yrs |
Compared to the Mercedes Motorhome (76.7% pass rate) and the Mercedes Unknown (79.2% pass rate), the Mercedes C250 sits in the middle of the pack on MOT reliability.
Found a Mercedes C250 you like?
Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.
Check a specific Mercedes C250Should you buy a used Mercedes C250?
The Mercedes C250 has an overall MOT pass rate of 78.3% across 1,474 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.
The most common problems on the Mercedes C250 are tyre tread depth below requirements of 1.6mm (43 recorded failures), brake pipe excessively corroded (16), and brake hose excessively deteriorated (14). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.
On the safety side, the most frequently flagged dangerous fault is tyre tread depth below requirements of 1.6mm. Dangerous faults cause an immediate MOT failure and mean the vehicle is not roadworthy until repaired. If you're viewing a Mercedes C250 with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.
A typical Mercedes C250 owner drives around 7,303 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.
In terms of longevity, most Mercedes C250 models stay on UK roads for around 29 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.
Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.