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KN12 UNM

2012 Mercedes-benz C

Red Diesel 2143cc
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MOT Status

Valid
Expires19 Mar 2027
Tests16 (13 pass, 3 fail)
Pass rate81.3%

Mileage

109,043 mi
Last recorded109,043 miles
Recorded on21 Feb 2026
Typical for 2012 Mercedes-benz C71,143 mi

Significantly above average — investigate

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

RegistrationKN12 UNM
MakeMercedes-benz
ModelC
Year2012
ColourRed
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

13 pass 3 fail
Pass 21 Feb 2026 109,043 miles

Nearside Rear Tyre has a cut but not deep enough to reach the ply or cords 255 35 18 (5.2.3 (d) (i))

Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Fail 21 Feb 2026 109,043 miles

Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

Offside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords 225 40 18 (5.2.3 (d) (i))

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

Nearside Rear Tyre has a cut but not deep enough to reach the ply or cords 255 35 18 (5.2.3 (d) (i))

Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Pass 20 Mar 2025 105,668 miles

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

Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Under vehicle covers restrict view

Pass 9 Aug 2024 104,282 miles

Nearside Rear Service brake binding but not excessively (1.2.1 (f))

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

Pass 7 Aug 2023 102,732 miles

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

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

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

Pass 4 Aug 2022 94,467 miles
Pass 21 Mar 2022 91,969 miles

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

Offside Rear Valve stem slightly damaged (5.2.3 (j))

Pass 25 Feb 2021 87,147 miles

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

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

Pass 7 Nov 2019 81,745 miles

Both front tyres wearing on edges

Pass 7 Nov 2018 72,055 miles

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

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

Pass 13 Nov 2017 57,263 miles

Covers fitted obscuring some components

Fail 13 Nov 2017 57,263 miles

Covers fitted obscuring some components

Offside Headlamp aim too high (1.8)

Pass 19 Sep 2016 40,611 miles
Pass 25 Sep 2015 36,494 miles

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Fail 9 Oct 2014 31,600 miles

Offside Rear Wheel nut(s) missing (4.2.A.1e)

Pass 9 Oct 2014 31,600 miles

How Reliable is the Mercedes-benz C?

Based on 8,031,355 MOT tests across 683,668 vehicles.

77.6%
Pass Rate
6,412
Miles/Year
32
Year Lifespan
683,668
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 240,078
Suspension arm has excessive play in a ball joint 76,831
Track rod end ball joint has excessive play 67,503
Brake pipe excessively corroded 66,298
coil spring broken 61,560
Full Mercedes-benz C reliability report

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KN12 UNM is a 2012 Mercedes-benz C in Red with a 2,143cc diesel engine. This vehicle has been through 16 MOT tests with a personal pass rate of 81.3%.

Across all 2012 Mercedes-benz C models, the average MOT pass rate is 80.7% with a typical mileage of 71,143 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Mercedes-benz C fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 240,078 recorded failures. If you're considering buying KN12 UNM, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz C typically stays on UK roads for around 32 years. At 14 years old, this Mercedes-benz C is still in the earlier part of its expected life.

Frequently Asked Questions

How do I check the history of KN12 UNM?

You can check the full history of KN12 UNM by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KN12 UNM registered?

KN12 UNM is a 2012 Mercedes-benz C, first registered on 5 April 2012.

Is KN12 UNM safe to buy?

The MOT history for KN12 UNM shows 16 tests with a 81.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN12 UNM 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 KN12 UNM. 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.