Mercedes-Benz SLC-Class
Registered from 2016 to 2021.

About this model
The third generation of Mercedes-Benz SLK-Class (SLC-Class) was launched in Stuttgart in January 2011, with a subsequent public launch at the 2011 Geneva Motor Show, with international sales starting spring 2011. It is the successor of R171 series of roadsters which was originally launched in 2004. The SLC was discontinued after the 2020 model year.
From the Wikipedia article Mercedes-Benz SLK-Class (R172), licensed under CC BY-SA 4.0.
What fails its inspection
Great Britain's MOT record for the 2017 2.1 diesel. 237 of 1,771 tests failed, 13%.
Better than 34% of 2017 cars. The typical one fails 12%, across 926 models with enough tests behind them to say.
| Where | Share of failures | Failed tests |
|---|---|---|
| Tyres and wheels | 60% | 143 |
| Suspension | 26% | 62 |
| Brakes | 12% | 29 |
| Exhaust and emissions | 6% | 15 |
| Lights and electrics | 6% | 15 |
| Plates and identity | 3% | 6 |
The defects inspectors cite
- A tyre seriously damaged
- A tyre cords visible or damaged
- Tyre tread depth not in accordance with the requirements
- A suspension pin, bush or joint excessively worn
- A spring or spring component fractured or seriously weakened
- A suspension joint dust cover missing or no longer prevents the ingress of dirt etc
Before you buy one
Built from what this car fails on, not from general knowledge of the model.
- Tyres and wheels — 60% of its failures
- A tyre seriously damaged
- A tyre cords visible or damaged
- Tyre tread depth not in accordance with the requirements
- Suspension — 26% of its failures
- A suspension pin, bush or joint excessively worn
- A spring or spring component fractured or seriously weakened
- A suspension joint dust cover missing or no longer prevents the ingress of dirt etc
- Brakes — 12% of its failures
- A brake lining or pad worn below 1.5mm
- Exhaust and emissions — 6% of its failures
- Lights and electrics — 6% of its failures
When it starts failing
At 60–80k miles this one fails 18% of its inspections, against the 15% an ordinary car of the same age fails.
| Odometer | Failure rate | Rate | Its age | Tests |
|---|---|---|---|---|
| 0–20k miles | 9% | 6% | 344 | |
| 20–40k miles | 11% | 10% | 841 | |
| 40–60k miles | 19% | 13% | 435 | |
| 60–80k miles | 18% | 15% | 118 |
1,738 British inspections, grouped by the odometer reading recorded at the test.
Half of these have more than 20k miles on them. That is how far people drive this car, not how long it lasts.
Specification
| Year | Measured |
|---|---|
| 2020 | 2.0 petrol · 241 hp · 1505 kg · 2430 mm wheelbase · 7.5 L/100km (WLTP) |
| 2019 | 2.0 petrol · 241 hp · 1505 kg · 2430 mm wheelbase · 7.5 L/100km (WLTP) |
| 2018 | 2.0 petrol · 241 hp · 1505 kg · 2430 mm wheelbase · 7.5 L/100km (WLTP) |
| 2017 | 2.1 diesel · 201 hp · 1605 kg · 2430 mm wheelbase · 4.3 L/100km (NEDC) |
| 2016 | 2.0 petrol · 181 hp · 1473 kg · 2430 mm wheelbase · 5.9 L/100km (NEDC) |