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R21 KPM

2015 Mercedes-benz Slk

Silver Diesel 2143cc
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MOT Status

Valid
Expires17 Aug 2027
Tests11 (9 pass, 2 fail)
Pass rate81.8%

Mileage

101,218 mi
Last recorded101,218 miles
Recorded on4 Aug 2026
Typical for 2015 Mercedes-benz Slk34,786 mi

Significantly above average — investigate

4 checks still locked for this Mercedes-benz
Stolen
Finance
Write-off
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Vehicle Details

RegistrationR21 KPM
MakeMercedes-benz
ModelSlk
Year2015
ColourSilver
Fuel typeDiesel
Engine2,143cc

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MOT History

9 pass 2 fail
Pass 4 Aug 2026 101,218 miles

Brake disc worn, but not excessively front & rear discs. (1.1.14 (a) (i))

Nearside Front Tyre slightly damaged slight unduelation on tread. (5.2.3 (d) (ii))

Fail 3 Aug 2026 101,215 miles

Nearside Front Upper Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i))

Brake disc worn, but not excessively front & rear discs. (1.1.14 (a) (i))

Nearside Front Tyre slightly damaged slight unduelation on tread. (5.2.3 (d) (ii))

Pass 25 Jul 2025 89,488 miles

Central Exhaust clamp snapped

Fail 24 Jul 2025 89,448 miles

Offside Front Inner Tyre has ply or cords exposed (5.2.3 (d) (ii)) DANGEROUS

Central Exhaust clamp snapped

Pass 30 Jul 2024 76,366 miles

Front Inner Tyre worn close to legal limit/worn on edge Both (5.2.3 (e))

Nearside Front Outer Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))

Pass 18 Aug 2023 64,621 miles

Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Front Lower Anti-roll bar linkage ball joint dust cover severely deteriorated (5.3.4 (b) (i))

Pass 9 Aug 2022 53,782 miles
Pass 2 Aug 2021 40,585 miles
Pass 9 Jul 2020 36,198 miles
Pass 16 Jul 2019 33,805 miles
Pass 8 Aug 2018 30,499 miles

How Reliable is the Mercedes-benz Slk?

Based on 1,335,553 MOT tests across 81,472 vehicles.

80.0%
Pass Rate
3,226
Miles/Year
29
Year Lifespan
81,472
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 28,060
coil spring broken 11,334
Stop lamp not working 8,797
Brake pipe excessively corroded 8,610
Tyre has ply or cords exposed 8,088
Full Mercedes-benz Slk reliability report

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R21 KPM is a 2015 Mercedes-benz Slk in Silver with a 2,143cc diesel engine. This vehicle has been through 11 MOT tests with a personal pass rate of 81.8%.

Across all 2015 Mercedes-benz Slk models, the average MOT pass rate is 86.8% with a typical mileage of 34,786 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The most common reason a Mercedes-benz Slk fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 28,060 recorded failures. If you're considering buying R21 KPM, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz Slk typically stays on UK roads for around 29 years. At 11 years old, this Mercedes-benz Slk is still in the earlier part of its expected life.

Frequently Asked Questions

How do I check the history of R21 KPM?

You can check the full history of R21 KPM by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was R21 KPM registered?

R21 KPM is a 2015 Mercedes-benz Slk, first registered on 7 March 2015.

Is R21 KPM safe to buy?

The MOT history for R21 KPM shows 11 tests with a 81.8% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does R21 KPM have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on R21 KPM. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.