Is the Mercedes-Benz Slk ULEZ Compliant?
Based on 59,347 MOT tests, around 45% of Mercedes-Benz Slks still on the road are likely to meet London's ULEZ standards, and about 19% are likely to be charged. For the remaining 36%, it depends on the exact Euro standard or month of registration.
The fuel mix matters: tested cars were 77% petrol, 23% diesel. Petrol Slks are generally compliant from 2006, while petrol cars from 2000 or earlier are likely to be charged. Diesel Slks are generally compliant from 2016, while diesel cars from 2013 or earlier are likely to be charged.
- Likely compliant
- 45%
- Likely charged
- 19%
- Depends on the car
- 36%
- MOT tests analysed
- 59,347
Check a specific Slk
Year and fuel type are a guide. Enter the registration to check that car's own record.
Slk ULEZ compliance by year and fuel
Estimated from the year of first registration. Numbers show how many Slks of each type were MOT tested, as a guide to how common they are.
| First registered | Petrol | Diesel |
|---|---|---|
| 2016 | Likely compliant379 tested | Likely compliant886 tested |
| 2015 | Likely compliant1,437 tested | Check exact car3,421 tested |
| 2014 | Likely compliant1,496 tested | Check exact car3,420 tested |
| 2013 | Likely compliant1,282 tested | Likely charged3,359 tested |
| 2012 | Likely compliant3,203 tested | Likely charged2,377 tested |
| 2011 | Likely compliant2,538 tested | Likely charged12 tested |
| 2010 | Likely compliant2,095 tested | Likely charged2 tested |
| 2009 | Likely compliant2,514 tested | Likely charged1 tested |
| 2008 | Likely compliant3,263 tested | Likely charged2 tested |
| 2007 | Likely compliant3,560 tested | Likely charged4 tested |
| 2006 | Likely compliant3,822 tested | Likely charged7 tested |
| 2005 | Check Euro standard5,007 tested | Likely charged4 tested |
| 2004 | Check Euro standard3,227 tested | Likely charged1 tested |
| 2003 | Check Euro standard1,892 tested | Likely charged2 tested |
| 2002 | Check Euro standard2,074 tested | Likely charged4 tested |
| 2001 | Check Euro standard2,376 tested | Likely charged2 tested |
| 2000 | Likely charged2,047 tested | – |
| 1999 | Likely charged1,611 tested | Likely charged2 tested |
| 1998 | Likely charged1,162 tested | – |
| 1997 | Likely charged794 tested | – |
How ULEZ rules apply to the Slk
Cars that miss the standard pay £12.50 for each day they're driven in the zone. Petrol and petrol-hybrid cars need Euro 4 (most from 2006), while diesels need Euro 6 (most from September 2015).
- Petrol (77% of Slks tested): likely compliant from 2006; 2000 and earlier are likely to be charged.
- Diesel (23% of Slks tested): likely compliant from 2016; 2013 and earlier are likely to be charged.
Slks from 2014 and 2015 sit on the boundary (36% of those tested): some were built to the required standard before it became compulsory. The Euro standard is sometimes on the V5C logbook, or Mercedes-Benz can confirm it. Our ULEZ calculator can help.
Thinking of buying one? Check how Slks fare at the MOT too: see the Mercedes-Benz Slk MOT failure rate.
Buying a used Mercedes-Benz Slk for London: what the MOT data shows
The Mercedes-Benz Slks in this data were first registered between 1997 and 2016. 2012 was the most common year, with 5,580 tests (9% of the total), and half were registered in 2008 or later.
Slks from likely-compliant years passed their MOT first time 73% of the time, at an average of 63,628 miles. Older ones likely to be charged passed 73% of the time with 73,586 miles on average.
On a budget, the oldest petrol Slks likely to comply are from 2006. 3,822 of them were tested; 2006 cars passed first time 68% of the time and averaged 77,212 miles. Check the Euro standard on the V5C before you buy one from around then.
On a budget, the oldest diesel Slks likely to comply are from 2016. 886 of them were tested; 2016 cars passed first time 87% of the time and averaged 37,741 miles. Check the Euro standard on the V5C before you buy one from around then.
Whichever year you choose, check the Slk's weak spots. The most common MOT failures were suspension: "fractured or broken" (5.1% of tests) and "ball joint excessively worn" (2.6%); lights and electrics: "not working" (3.9%). The most frequent advisory was "tread depth below requirements of 1.6mm", on 14.4% of tests.
Overall, 73% of Slks passed first time, roughly in line with the 71% average for all cars, and they had covered 68,471 miles on average, fewer than the 73,145-mile average.
ULEZ compliance for other models
Other Mercedes-Benz models
About this data
Based on 59,347 first MOT tests of the Mercedes-Benz Slk carried out in 2023.
Source: DVSA anonymised MOT test data (contains public sector information licensed under the Open Government Licence v3.0). First attempts on cars only; “pass rate” means passing first time. Averages cover all 32,735,164 cars tested (71% passed), and years with under 50 tests are hidden.
ULEZ results are estimates from fuel type and year of first registration. Transport for London makes the final decision.
Learn more about how our data works.
Frequently asked questions
What 59,347 MOT tests say about the Mercedes-Benz Slk and London's ULEZ.
Is the Mercedes-Benz Slk ULEZ compliant?
In our data about 45% of Slks on the road are likely compliant and 19% likely to be charged. Petrol and petrol-hybrid cars need Euro 4 (most from 2006), while diesels need Euro 6 (most from September 2015).
Which petrol Slk years are ULEZ compliant?
Petrol Slks first registered from 2006 are likely compliant. Some earlier cars meet Euro 4 too, so check the exact vehicle.
Is a diesel Slk ULEZ compliant?
Only if it meets Euro 6, which generally means first registered from September 2015. Diesel Slks from 2013 or earlier are likely to be charged.
How can I check if a specific Slk is ULEZ compliant?
Enter its registration in our free ULEZ check, which uses the vehicle's DVLA record. Always confirm with TfL before relying on it.
Related guides
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- Buying a used car · 6 min readHow to check if a car has been clocked using MOT mileage historyWinding back an odometer takes minutes with a laptop, but every MOT logs the reading publicly. A step-by-step method, with worked examples, for spotting the gaps.Read the guide
Is your Slk ULEZ compliant?
Enter the registration for a check based on that car's own DVLA record.