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KN12 AWW

2012 Mercedes-benz C

Silver Diesel 1796cc
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MOT Status

Valid
Expires1 Sep 2027
Tests16 (12 pass, 4 fail)
Pass rate75%

Mileage

109,237 mi
Last recorded109,237 miles
Recorded on2 Sep 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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Finance
Write-off
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Vehicle Details

RegistrationKN12 AWW
MakeMercedes-benz
ModelC
Year2012
ColourSilver
Fuel typeDiesel
Engine1,796cc

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 4 fail
Pass 2 Sep 2026 109,237 miles

Front Brake disc worn, but not excessively (1.1.14 (a) (i))

Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Front Lower Suspension arm pin or bush worn but not resulting in excessive movement both side (5.3.4 (a) (i))

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

Rear Brake disc worn, but not excessively (1.1.14 (a) (i))

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

Fail 2 Sep 2026 109,231 miles

Front Headlamp aim unable to be tested both (4.1.2 (b))

Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))

Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii))

Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))

Offside Front Headlamp not working on main beam (4.1.1 (a) (ii))

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

Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

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

Front Suspension arm pin or bush worn but not resulting in excessive movement both front arms minor cracks (5.3.4 (a) (i))

Nearside Front Child Seat fitted not allowing full inspection of adult belt

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

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

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

Pass 28 Jul 2025 104,071 miles

Brake disc worn, but not excessively both sides front (1.1.14 (a) (i))

Brake disc worn, but not excessively both sides rear (1.1.14 (a) (i))

Coil spring corroded both sides rear (5.3.1 (b) (i))

Nearside Front Tyre has a cut but not deep enough to reach the ply or cords outer tyre wall (5.2.3 (d) (i))

Nearside Rear Nail in tyre

Nearside Rear Tyre slightly damaged/cracking or perishing cracking (5.2.3 (d) (ii))

Offside Front Tyre has a cut but not deep enough to reach the ply or cords outer tyre wall (5.2.3 (d) (i))

Pass 9 Aug 2024 100,593 miles

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

Front Inner Brake pipe corroded, covered in grease or other material both sides (1.1.11 (c))

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

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

sill covers engine cover and under trays fitted

Pass 10 Aug 2023 94,702 miles

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

Front Inner Brake pipe corroded, covered in grease or other material both sides (1.1.11 (c))

Nearside Front Outer Tyre has a cut but not deep enough to reach the ply or cords several cuts and worn on inner edge (5.2.3 (d) (i))

Offside Front Tyre worn close to legal limit/worn on edge and cut on tyre wall (5.2.3 (e))

sill covers engine cover and under trays fitted

Fail 10 Aug 2023 94,702 miles

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

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

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

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

Front Inner Brake pipe corroded, covered in grease or other material both sides (1.1.11 (c))

Nearside Front Outer Tyre has a cut but not deep enough to reach the ply or cords several cuts and worn on inner edge (5.2.3 (d) (i))

Offside Front Tyre worn close to legal limit/worn on edge and cut on tyre wall (5.2.3 (e))

sill covers engine cover and under trays fitted

Pass 10 Aug 2022 82,706 miles

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

Offside Front Outer Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))

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

Rear Inner Brake pipe corroded, covered in grease or other material both sides (1.1.11 (c))

sill covers engine cover and under trays fitted

Fail 10 Aug 2022 82,704 miles

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

Rear Tyre tread depth below requirements of 1.6mm both (5.2.3 (e)) DANGEROUS

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

Offside Front Outer Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))

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

Rear Inner Brake pipe corroded, covered in grease or other material both sides (1.1.11 (c))

sill covers engine cover and under trays fitted

Pass 17 Aug 2021 72,772 miles

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

Nearside Front Outer Tyre has a cut but not deep enough to reach the ply or cords tyre wall (5.2.3 (d) (i))

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

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

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

Rear Brake disc worn, but not excessively both (1.1.14 (a) (i))

Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

sill covers engine cover and under trays fitted

Pass 13 Aug 2020 64,981 miles
Pass 24 May 2019 55,422 miles

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

Fail 24 May 2019 55,422 miles

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

Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) DANGEROUS

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

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

Pass 15 May 2018 47,624 miles

Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Pass 22 May 2017 41,324 miles
Pass 23 May 2016 34,299 miles
Pass 7 Apr 2015 23,294 miles

tyre pressure warning at instrument panel

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 AWW is a 2012 Mercedes-benz C in Silver with a 1,796cc 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 AWW, 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 AWW?

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

What year was KN12 AWW registered?

KN12 AWW is a 2012 Mercedes-benz C, first registered on 13 April 2012.

Is KN12 AWW safe to buy?

The MOT history for KN12 AWW 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 AWW 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 AWW. 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.