CarVerify

Free Car Check

KN03 UNY

2003 Mercedes-benz C

Blue Diesel 2148cc
Search another vehicle

MOT Status

Valid
Expires5 Dec 2026
Tests25 (20 pass, 5 fail)
Pass rate80%

Mileage

113,477 mi
Last recorded113,477 miles
Recorded on4 Dec 2025
Typical for 2003 Mercedes-benz C81,364 mi

Above average mileage for this year

4 checks still locked for this Mercedes-benz
Stolen
Finance
Write-off
Keepers
Unlock full report — £4.99
Instant £30k guarantee
or single check £14.99

Not all car check providers offer a guarantee. Don't risk buying from services that can't back their data. CarVerify reports include a £30,000 finance data guarantee.

Vehicle Details

RegistrationKN03 UNY
MakeMercedes-benz
ModelC
Year2003
ColourBlue
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

20 pass 5 fail
Pass 4 Dec 2025 113,477 miles

Offside Rear Direction indicator slightly discoloured (4.4.3 (a))

Fail 4 Dec 2025 113,446 miles

Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Offside Rear Direction indicator slightly discoloured (4.4.3 (a))

Windscreen washer provides insufficient washer liquid (3.5 (a))

Pass 5 Dec 2024 105,512 miles
Pass 5 Dec 2023 97,868 miles

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

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

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

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

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

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

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

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

Fail 4 Dec 2023 97,865 miles

Exhaust emissions exceed manufacturer's specified limit (8.2.2.2 (a))

Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))

Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))

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

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

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

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

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

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

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

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

Pass 6 Dec 2022 89,661 miles
Pass 30 Nov 2021 81,896 miles

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

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

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

Fail 30 Nov 2021 81,896 miles

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

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

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

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

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

Pass 1 Dec 2020 77,067 miles

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

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

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

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

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

Pass 22 May 2019 72,974 miles

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

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

Pass 14 May 2018 70,405 miles

Nearside Front Torque/reaction arm has a slightly deteriorated rubber bush (2.4.G.2)

both front tyres slightly perished

Pass 26 May 2017 66,494 miles

Direction indicators slightly discoloured All (1.4.A.2f)

Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement Inner. Both (2.4.G.2)

Nearside Front Tyre slightly perished on outer wall

Pass 26 May 2016 62,918 miles

Under trays fitted obscuring some underside components

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

Pass 19 May 2015 60,565 miles

Under-trays fitted obscuring some underside components

Fail 22 May 2014 58,136 miles

Centre Exhaust has a major leak of exhaust gases (7.1.2)

Centre Exhaust system not adequately supported (7.1.1)

Pass 22 May 2014 58,136 miles
Pass 4 Jun 2013 54,032 miles
Fail 3 Jun 2013 54,032 miles

Nearside Windscreen wiper does not clear the windscreen effectively (8.2.2)

Offside Windscreen wiper does not clear the windscreen effectively (8.2.2)

Nearside Front coil spring fractured (2.4.C.1a) DANGEROUS

Pass 29 May 2012 50,106 miles

Under-trays fitted obscuring some underside components

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

centre exhaust clamp cracked

Pass 3 Jun 2011 47,090 miles
Pass 27 May 2010 43,514 miles
Pass 5 Jun 2009 39,424 miles

Nearside Front Tyre worn close to the legal limit (4.1.E.1)

Offside Front Tyre worn close to the legal limit (4.1.E.1)

Pass 13 May 2008 34,442 miles
Pass 1 May 2007 31,992 miles
Pass 30 May 2006 26,224 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

Don't risk it. Know before you buy.

Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

£30k guarantee Instant results Cancel anytime

KN03 UNY is a 2003 Mercedes-benz C in Blue with a 2,148cc diesel engine. This vehicle has been through 25 MOT tests with a personal pass rate of 80%.

Across all 2003 Mercedes-benz C models, the average MOT pass rate is 72.5% with a typical mileage of 81,364 miles. This particular vehicle has performed better than the average for its year.

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 KN03 UNY, 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 23 years old, this Mercedes-benz C is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of KN03 UNY?

You can check the full history of KN03 UNY by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KN03 UNY registered?

KN03 UNY is a 2003 Mercedes-benz C, first registered on 14 May 2003.

Is KN03 UNY safe to buy?

The MOT history for KN03 UNY shows 25 tests with a 80% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN03 UNY 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 KN03 UNY. 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.