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KN12 JJX

2012 Mercedes-benz C

Black Diesel 2148cc
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MOT Status

Expired
Expires8 Apr 2026
Tests19 (12 pass, 7 fail)
Pass rate63.2%

Mileage

120,906 mi
Last recorded120,906 miles
Recorded on9 Apr 2025
Typical for 2012 Mercedes-benz C71,143 mi

Significantly above average — investigate

4 checks still locked for this Mercedes-benz
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Vehicle Details

RegistrationKN12 JJX
MakeMercedes-benz
ModelC
Year2012
ColourBlack
Fuel typeDiesel
Engine2,148cc

All premium checks include

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 7 fail
Pass 9 Apr 2025 120,906 miles

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

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

Fail 9 Apr 2025 120,906 miles

Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))

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

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

Pass 23 May 2024 116,956 miles

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

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

Rear Suspension arm pin or bush worn but not resulting in excessive movement both sides (5.3.4 (a) (i))

Fail 22 May 2024 116,956 miles

Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))

Nearside Brake pipe excessively corroded front to rear (1.1.11 (c))

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

Offside Brake pipe excessively corroded front to rear (1.1.11 (c))

Parking brake lever ratchet not holding correctly (1.1.6 (a))

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

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

Rear Suspension arm pin or bush worn but not resulting in excessive movement both sides (5.3.4 (a) (i))

Pass 10 May 2023 111,662 miles

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

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

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

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

Fail 9 May 2023 111,662 miles

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

Offside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt front arm (5.3.4 (b) (ii))

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

Front lower arm inner bushes perishing

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

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

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

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

Pass 9 May 2022 103,768 miles
Fail 9 May 2022 103,768 miles

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

Pass 5 May 2021 94,613 miles

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

Nearside Front Tyre worn close to legal limit/worn on edge EDGES, PERISHING & DAMAGE TO SIDEWALL 225/45*17 (5.2.3 (e))

Nearside Rear Nail in tyre SHOULDER 225/45*17 ()

Offside Front Tyre worn close to legal limit/worn on edge EDGES ON LIMIT 225/45*17 (5.2.3 (e))

Pass 7 May 2020 86,326 miles

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

Front Brake pad(s) wearing thin only just met requirements (1.1.13 (a) (ii))

Offside Rear Tyre slightly damaged/cracking or perishing perishing 225/45*17 (5.2.3 (d) (ii))

Fail 7 May 2020 86,326 miles

Nearside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords 225/45*17 (5.2.3 (d) (i))

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

Front Brake pad(s) wearing thin only just met requirements (1.1.13 (a) (ii))

Offside Rear Tyre slightly damaged/cracking or perishing perishing 225/45*17 (5.2.3 (d) (ii))

Pass 29 May 2019 76,192 miles
Pass 17 Nov 2018 71,469 miles
Pass 1 Dec 2017 65,195 miles
Pass 18 May 2017 59,323 miles
Fail 18 May 2017 59,323 miles

Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Offside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Pass 14 Mar 2016 45,662 miles
Fail 14 Mar 2016 45,662 miles

Nearside Front Tyre has ply or cords exposed (4.1.D.1b)

Nearside Front Tyre has inner and outer shoulder wear

Offside Front Tyre has inner and outer shoulder wear.

Pass 19 Mar 2015 32,373 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 JJX is a 2012 Mercedes-benz C in Black with a 2,148cc diesel engine. This vehicle has been through 19 MOT tests with a personal pass rate of 63.2%.

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 JJX, 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 JJX?

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

What year was KN12 JJX registered?

KN12 JJX is a 2012 Mercedes-benz C, first registered on 26 March 2012.

Is KN12 JJX safe to buy?

The MOT history for KN12 JJX shows 19 tests with a 63.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN12 JJX 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 JJX. 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.