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A21 NPB

2017 Mercedes-benz Sl

Grey Petrol 5461cc
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MOT Status

Valid
Expires2 Jun 2027
Tests8 (7 pass, 1 fail)
Pass rate87.5%

Mileage

18,239 mi
Last recorded18,239 miles
Recorded on29 May 2026
Typical for 2017 Mercedes-benz Sl22,135 mi

Below or average mileage for this year

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

RegistrationA21 NPB
MakeMercedes-benz
ModelSl
Year2017
ColourGrey
Fuel typePetrol
Engine5,461cc

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50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

7 pass 1 fail
Pass 29 May 2026 18,239 miles
Pass 27 May 2025 16,686 miles

Offside Front Road wheel slightly distorted (5.2.2 (c) (i))

Pass 3 Jun 2024 14,848 miles
Pass 24 Oct 2023 14,734 miles
Pass 12 May 2022 12,082 miles
Pass 6 Apr 2021 14,551 miles
Fail 6 Apr 2021 14,551 miles

Offside Rear Tyre has ply or cords exposed inner edge (5.2.3 (d) (ii)) DANGEROUS

Pass 7 Apr 2020 8,601 miles

Offside Rear Tyre worn close to legal limit/worn on edge and is cut, cord not visible. (5.2.3 (e))

How Reliable is the Mercedes-benz Sl?

Based on 528,820 MOT tests across 35,553 vehicles.

83.4%
Pass Rate
2,023
Miles/Year
43
Year Lifespan
35,553
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 8,801
Tyre has ply or cords exposed 3,812
Brake pipe excessively corroded 3,463
Tyre has a cut in excess of the requirements deep enough to reach the ply or cords 3,077
Windscreen wiper does not clear the windscreen effectively 2,767
Full Mercedes-benz Sl reliability report

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A21 NPB is a 2017 Mercedes-benz Sl in Grey with a 5,461cc petrol engine. This vehicle has been through 8 MOT tests with a personal pass rate of 87.5%.

Across all 2017 Mercedes-benz Sl models, the average MOT pass rate is 92.0% with a typical mileage of 22,135 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 Sl fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 8,801 recorded failures. If you're considering buying A21 NPB, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz Sl typically stays on UK roads for around 43 years. At 9 years old, this Mercedes-benz Sl is still in the earlier part of its expected life.

Frequently Asked Questions

How do I check the history of A21 NPB?

You can check the full history of A21 NPB by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was A21 NPB registered?

A21 NPB is a 2017 Mercedes-benz Sl, first registered on 18 April 2017.

Is A21 NPB safe to buy?

The MOT history for A21 NPB shows 8 tests with a 87.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does A21 NPB 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 A21 NPB. 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.