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KW12 RNX

2012 Mercedes-benz C

Black Diesel 2143cc
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MOT Status

Valid
Expires12 Sep 2027
Tests17 (12 pass, 5 fail)
Pass rate70.6%

Mileage

80,589 mi
Last recorded80,589 miles
Recorded on4 Sep 2026
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

RegistrationKW12 RNX
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

12 pass 5 fail
Pass 4 Sep 2026 80,589 miles
Fail 3 Sep 2026 80,589 miles

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

Nearside Front Lower Suspension arm pin or bush excessively worn Lower front arm bush debonded (5.3.4 (a) (i))

Offside Front Lower Suspension arm pin or bush excessively worn Lower front arm bush debonded (5.3.4 (a) (i))

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

Pass 27 Aug 2025 72,547 miles

N/S/F TYRE WORN OUTER EDGE

N/S/R TYRE 3MM

Fail 27 Aug 2025 72,547 miles

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

N/S/F TYRE WORN OUTER EDGE

N/S/R TYRE 3MM

Pass 9 Sep 2024 64,856 miles

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

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

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

Fail 9 Sep 2024 64,855 miles

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

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

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

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

Pass 8 Sep 2023 56,055 miles

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

Pass 9 Sep 2022 52,719 miles

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

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

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

Pass 13 Sep 2021 50,058 miles
Fail 10 Sep 2021 50,058 miles

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

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

Pass 21 Aug 2020 48,355 miles

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

Brake pipe corroded, covered in grease or other material Front to rear brake pipes corroded (1.1.11 (c))

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

Pass 9 Sep 2019 46,452 miles

Front inner brake pads appear to wearing low this is a visual check only

Nearside Front Brake pipe corroded, covered in grease or other material Metal brake pipe end and its union (1.1.11 (c))

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

Offside Front Brake pipe corroded, covered in grease or other material Metal brake pipe end and its union (1.1.11 (c))

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

Plastic under-trays are fitted giving restricted view to some underside testable components

Windscreen damaged but not adversely affecting driver's view Two stone chips drivers side (3.2 (a) (i))

Pass 6 Jul 2018 41,730 miles

Small chip at offside of front screen.

Pass 3 Jul 2017 36,719 miles

Nearside Front Brake pipe slightly corroded (3.6.B.2c)

Offside Front Brake pipe slightly corroded (3.6.B.2c)

Offside Front worn on outer edge and is just legal

Fail 3 Jul 2017 36,719 miles

Nearside Front Brake pipe slightly corroded (3.6.B.2c)

Nearside Headlamp aim too high and too far to the left. (1.8)

Offside Front Brake pipe slightly corroded (3.6.B.2c)

Offside Front worn on outer edge and is just legal

Pass 8 Jul 2016 31,710 miles

Offside Front tyre perrished

Pass 20 Jul 2015 26,162 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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KW12 RNX is a 2012 Mercedes-benz C in Black with a 2,143cc 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 KW12 RNX, 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 KW12 RNX?

You can check the full history of KW12 RNX by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KW12 RNX registered?

KW12 RNX is a 2012 Mercedes-benz C, first registered on 25 July 2012.

Is KW12 RNX safe to buy?

The MOT history for KW12 RNX 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 KW12 RNX 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 KW12 RNX. 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.