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KN12 AWX

2012 Mercedes-benz C

Black Diesel 2143cc
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MOT Status

Valid
Expires11 Feb 2027
Tests14 (11 pass, 3 fail)
Pass rate78.6%

Mileage

142,222 mi
Last recorded142,222 miles
Recorded on12 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
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Vehicle Details

RegistrationKN12 AWX
MakeMercedes-benz
ModelC
Year2012
ColourBlack
Fuel typeDiesel
Engine2,143cc

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

11 pass 3 fail
Pass 12 Feb 2026 142,222 miles

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

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

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

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

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

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

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

Rear Inner Tyre worn close to legal limit/worn on edge both sides (5.2.3 (e))

Pass 27 Jan 2025 124,558 miles

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

Fail 10 Jan 2025 124,551 miles

Nearside Parking brake efficiency below requirements (1.4.2 (a) (i))

Offside Parking brake inoperative on one side (1.4.1 (a))

Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) DANGEROUS

Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) DANGEROUS

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

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

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

X3 dust caps missing

Pass 19 Dec 2023 110,742 miles

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

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

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

Offside Front Upper Suspension component ball joint dust cover severely deteriorated (5.3.4 (b) (i))

Fail 18 Dec 2023 110,742 miles

Nearside Front Outer Tyre has a lump, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

Nearside Rear Tyre has ply or cords exposed (5.2.3 (d) (ii)) DANGEROUS

Offside Front Inner Tyre has a bulge, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

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

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

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

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

Offside Front Upper Suspension component ball joint dust cover severely deteriorated (5.3.4 (b) (i))

Pass 22 Dec 2022 98,683 miles

Nearside Rear Tyre stretched on alloy

Offside Rear Tyre stretched on alloy

Pass 5 Nov 2021 95,921 miles

Nearside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))

emissions too clean to register

Pass 3 Nov 2020 83,925 miles

Central Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Central Exhaust silencer slightly loose (8.1.1 (b) (i))

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

Nearside Rear Sub-frame pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Offside Rear Sub-frame pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

emissions too clean to register

Pass 6 May 2019 62,758 miles
Pass 31 Aug 2018 56,428 miles

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

Nearside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))

Windscreen damaged but not adversely affecting driver's view zone-a (3.2 (a) (i))

Fail 29 Aug 2018 56,426 miles

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

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

Nearside Rear Headlamp levelling device inoperative link arm broken (4.1.5 (a))

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

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

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

Offside Rear Brake pipe excessively corroded (1.1.11 (c))

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

Nearside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))

Nearside Rear Nail in tyre ()

Windscreen damaged but not adversely affecting driver's view zone-a (3.2 (a) (i))

Pass 1 Sep 2017 47,059 miles

Offside Front Lower Front suspension ball joint dust cover damaged, but preventing the ingress of dirt (2.4.G.2)

Pass 1 Sep 2016 35,206 miles
Pass 20 Aug 2015 24,685 miles

o/s front rear tyres starting to crack on side walls

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 AWX is a 2012 Mercedes-benz C in Black with a 2,143cc diesel engine. This vehicle has been through 14 MOT tests with a personal pass rate of 78.6%.

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 AWX, 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 AWX?

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

What year was KN12 AWX registered?

KN12 AWX is a 2012 Mercedes-benz C, first registered on 18 April 2012.

Is KN12 AWX safe to buy?

The MOT history for KN12 AWX shows 14 tests with a 78.6% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN12 AWX 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 AWX. 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.