Transmission oil leaks leaking excessively from transmission on the Mercedes-Benz Slk
Transmission oil leaks leaking excessively from transmission on the Mercedes-Benz Slk is recorded on 2,652 tests — 1.4% of all its MOT tests, against 0.7% across every car in the data. That is 2.0× the national share.
Is this unusual for this model?
| Compared with | What it says |
|---|---|
| Every car in the data | 0.7% of tests record it — this model is 2.0× that share |
| The 289 models compared | 52 of 289, highest first |
| The model's own record | 191,422 tests · every year of the Slk → |
A share of tests is not a probability for your car: it counts every Mercedes-Benz Slk tested, whatever its mileage, service history and use. The like-for-like comparison on the model page is the fairer number.
Year by year
In 2000, 1.8% of this model's tests recorded it; in 2016, 0.2%. The share has fallen 1.5 points over that time. Worst year 2001 at 3.0%; best 2016 at 0.2%.
| Year | Failures recorded | Tests | Share of tests |
|---|---|---|---|
| 2000 | 330 | 18,489 | 1.8% |
| 2001 | 436 | 14,592 | 3.0% |
| 2002 | 242 | 12,958 | 1.9% |
| 2003 | 247 | 12,120 | 2.0% |
| 2004 | 232 | 22,060 | 1.1% |
| 2005 | 336 | 34,354 | 1.0% |
| 2006 | 212 | 26,546 | 0.8% |
| 2007 | 147 | 25,722 | 0.6% |
| 2008 | 78 | 23,522 | 0.3% |
| 2009 | 81 | 18,292 | 0.4% |
| 2010 | 57 | 7,563 | 0.8% |
| 2011 | 69 | 17,848 | 0.4% |
| 2012 | 96 | 19,827 | 0.5% |
| 2016 | 10 | 4,167 | 0.2% |
Years with fewer than 0.2% of tests recording the item are left out: a year with two failures in 400 tests is noise, and this table is not here to make noise look like a trend.
What it costs
A typical UK repair for this item is £200–£700 fitted. It is a job for a garage, not a driveway. What the part is, and what to buy →
Prices are typical UK supply-and-fitting estimates, not quotes. What happens if it fails covers the retest rules.
Where this sits
- Transmission oil leaks leaking excessively from transmission: every model, every year → — the item's own page, with the part guide.
- Mercedes-Benz Slk MOT pass rate by year → — the model's whole record, and what else it fails on.
- Every Mercedes-Benz model →