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W999 NGS

2014 Mercedes-benz Slk

Black Diesel 2143cc
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MOT Status

Valid
Expires10 Dec 2026
Tests12 (10 pass, 2 fail)
Pass rate83.3%

Mileage

99,973 mi
Last recorded99,973 miles
Recorded on11 Dec 2025
Typical for 2014 Mercedes-benz Slk38,603 mi

Significantly above average — investigate

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

RegistrationW999 NGS
MakeMercedes-benz
ModelSlk
Year2014
ColourBlack
Fuel typeDiesel
Engine2,143cc

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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

10 pass 2 fail
Pass 11 Dec 2025 99,973 miles

Exhaust mounting defective (6.1.2 (a))

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

Oil leak, but not excessive (8.4.1 (a) (i))

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

Fail 2 Dec 2025 99,897 miles

Offside Front Coil spring fractured or broken (5.3.1 (b) (i))

Offside Front Shock absorbers has a serious fluid leak (5.3.2 (b))

Exhaust mounting defective (6.1.2 (a))

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

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

Nearside Rear Position lamp with a multiple light source up to 1/2 not functioning (4.2.1 (a) (i))

Nearside Rear Stop lamp(s) light intensity obviously reduced only working 50% (4.3.3 (a) (i))

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

Oil leak, but not excessive (8.4.1 (a) (i))

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

Pass 10 Dec 2024 94,112 miles

Front Wheel bearing has slight play both (5.1.3 (a) (i))

Nearside Front Tyre slightly damaged inner sidewall (5.2.3 (d) (ii))

Fail 30 Nov 2024 93,973 miles

Nearside Front Shock absorbers has a serious fluid leak (5.3.2 (b))

Front Wheel bearing has slight play both (5.1.3 (a) (i))

Nearside Front Tyre slightly damaged inner sidewall (5.2.3 (d) (ii))

Pass 4 Dec 2023 87,230 miles
Pass 1 Dec 2022 80,036 miles

Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))

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

Offside Front Tyre worn close to legal limit/worn on edge On 3mm (5.2.3 (e))

Pass 26 Nov 2021 68,781 miles

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

Offside Rear Brake disc worn, but not excessively Lipped on inner edge (1.1.14 (a) (i))

Offside Rear Tyre worn close to legal limit/worn on edge Worn on inner edge (5.2.3 (e))

Pass 3 Dec 2020 59,782 miles

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

Pass 30 Nov 2019 50,625 miles
Pass 8 Dec 2018 39,817 miles
Pass 8 Dec 2017 30,477 miles
Pass 21 Jun 2017 26,340 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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W999 NGS is a 2014 Mercedes-benz Slk in Black with a 2,143cc diesel engine. This vehicle has been through 12 MOT tests with a personal pass rate of 83.3%.

Across all 2014 Mercedes-benz Slk models, the average MOT pass rate is 85.7% with a typical mileage of 38,603 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 W999 NGS, 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 12 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 W999 NGS?

You can check the full history of W999 NGS by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was W999 NGS registered?

W999 NGS is a 2014 Mercedes-benz Slk, first registered on 23 June 2014.

Is W999 NGS safe to buy?

The MOT history for W999 NGS shows 12 tests with a 83.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does W999 NGS 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 W999 NGS. 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.