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KM12 WKX

2012 Mercedes-benz C

Black Diesel 2148cc
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MOT Status

Valid
Expires16 Aug 2027
Tests17 (12 pass, 5 fail)
Pass rate70.6%

Mileage

199,917 mi
Last recorded199,917 miles
Recorded on14 Aug 2026
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

RegistrationKM12 WKX
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 5 fail
Pass 14 Aug 2026 199,917 miles

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

Nearside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Nearside Rear Upper Suspension spring mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

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

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

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Offside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Offside Rear Upper Suspension spring mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

Rear Sub-frame is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

Rear rear fuel tank straps corroded.

Fail 10 Aug 2026 199,772 miles

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

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

Nearside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Nearside Rear Upper Suspension spring mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

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

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

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Offside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Offside Rear Upper Suspension spring mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

Rear Sub-frame is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

Rear rear fuel tank straps corroded.

Pass 15 Aug 2025 189,623 miles

Front Brake disc worn, but not excessively both front discs lipped. (1.1.14 (a) (i))

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

Nearside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))

Nearside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

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

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Offside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Rear Sub-frame is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

Rear fuel tank straps corroded.

Pass 30 Jul 2024 176,259 miles

Nearside Front Brake pipe corroded, covered in grease or other material near flexi brake hose bracket. (1.1.11 (c))

Nearside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Offside Front Brake pipe corroded, covered in grease or other material near flexi brake hose bracket. (1.1.11 (c))

Offside Front Inner Tyre has a cut but not deep enough to reach the ply or cords cuts to inner wall. (5.2.3 (d) (i))

Offside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Rear Sub-frame is corroded but structural rigidity is not significantly reduced rear subframe. (6.1.1 (c) (i))

Rear fuel tank straps corroded.

Fail 29 Jul 2024 176,256 miles

Nearside Front Inner Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

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

Nearside Front Brake pipe corroded, covered in grease or other material near flexi brake hose bracket. (1.1.11 (c))

Nearside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Offside Front Brake pipe corroded, covered in grease or other material near flexi brake hose bracket. (1.1.11 (c))

Offside Front Inner Tyre has a cut but not deep enough to reach the ply or cords cuts to inner wall. (5.2.3 (d) (i))

Offside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Rear Sub-frame is corroded but structural rigidity is not significantly reduced rear subframe. (6.1.1 (c) (i))

Rear fuel tank straps corroded.

Pass 17 Aug 2023 165,287 miles

Front Play in steering rack inner joint(s) Both Fronts

Front Shock absorbers has a reduced damping effect Both Fronts (5.3.2 (d))

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

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

Rear Shock absorbers has light misting of oil Both Rears (5.3.2 (b))

Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

Pass 27 Jul 2022 153,352 miles
Pass 3 Aug 2021 141,338 miles

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

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

Tyre slightly damaged/cracking or perishing all tyres perished (5.2.3 (d) (ii))

Fail 3 Aug 2021 141,336 miles

Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))

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

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

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

Tyre slightly damaged/cracking or perishing all tyres perished (5.2.3 (d) (ii))

Pass 10 Aug 2020 136,059 miles

Nearside Side repeater with a multiple light source up to 1/2 not functioning (4.4.1 (a) (i))

Fail 10 Aug 2020 136,059 miles

Nearside Side repeater not working (4.4.1 (a) (ii))

Nearside Side repeater with a multiple light source up to 1/2 not functioning (4.4.1 (a) (i))

Pass 29 Apr 2019 129,813 miles
Pass 9 Apr 2018 120,419 miles
Pass 21 Mar 2017 110,521 miles

Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

Pass 13 Apr 2016 101,400 miles

Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

Fail 26 May 2015 77,552 miles

Brake pedal anti-slip provision missing (3.3.A.1b)

Nearside Headlamp not working on dipped beam (1.7.5a)

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

Pass 26 May 2015 77,552 miles

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

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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KM12 WKX is a 2012 Mercedes-benz C in Black with a 2,148cc diesel engine. This vehicle has been through 17 MOT tests with a personal pass rate of 70.6%.

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 KM12 WKX, 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 KM12 WKX?

You can check the full history of KM12 WKX by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KM12 WKX registered?

KM12 WKX is a 2012 Mercedes-benz C, first registered on 25 June 2012.

Is KM12 WKX safe to buy?

The MOT history for KM12 WKX shows 17 tests with a 70.6% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KM12 WKX 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 KM12 WKX. 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.