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KN12 NJZ

2012 Mercedes-benz C

Black Diesel 2143cc
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MOT Status

Valid
Expires18 Nov 2026
Tests16 (12 pass, 4 fail)
Pass rate75%

Mileage

79,936 mi
Last recorded79,936 miles
Recorded on19 Nov 2025
Typical for 2012 Mercedes-benz C71,143 mi

Above average mileage for this year

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

RegistrationKN12 NJZ
MakeMercedes-benz
ModelC
Year2012
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

12 pass 4 fail
Pass 19 Nov 2025 79,936 miles
Fail 19 Nov 2025 79,935 miles

Nearside Front Service brake excessively fluctuating (1.2.1 (e))

Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i))

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

Nearside Front Lower Suspension arm insecure and impairing directional stability front arm (5.3.3 (a) (ii)) DANGEROUS

Nearside Front Lower Suspension arm insecure and impairing directional stability rear arm (5.3.3 (a) (ii)) DANGEROUS

Offside Front Service brake fluctuating, but not excessively (1.2.1 (e))

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

Pass 14 Feb 2025 72,338 miles
Pass 22 Feb 2024 62,681 miles
Pass 14 Nov 2023 61,835 miles

Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

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

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

Fail 4 Nov 2023 61,730 miles

Nearside Front Brake pipe excessively corroded (1.1.11 (c))

Offside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))

Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

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

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

Pass 17 Nov 2022 57,880 miles

Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

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

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

Pass 16 Nov 2021 53,670 miles

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

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

Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

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

Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Pass 12 Jun 2020 47,486 miles
Pass 6 Jun 2019 42,728 miles

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

Pass 7 Jun 2018 37,434 miles
Fail 23 May 2018 37,345 miles

Nearside Front Brake pipe excessively corroded (1.1.11 (c))

Offside Front Brake pipe at imminent risk of failure or fracture (1.1.11 (a)) DANGEROUS

Pass 26 May 2017 31,608 miles
Pass 10 Jun 2016 26,485 miles
Pass 10 Jun 2015 20,010 miles
Fail 8 Jun 2015 19,956 miles

Nearside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (4.1.D.1a) DANGEROUS

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

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 NJZ is a 2012 Mercedes-benz C in Black with a 2,143cc diesel engine. This vehicle has been through 16 MOT tests with a personal pass rate of 75%.

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 a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

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 NJZ, 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 NJZ?

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

What year was KN12 NJZ registered?

KN12 NJZ is a 2012 Mercedes-benz C, first registered on 14 May 2012.

Is KN12 NJZ safe to buy?

The MOT history for KN12 NJZ shows 16 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN12 NJZ 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 NJZ. 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.