CarVerify

Free Car Check

CK03 UNX

2003 Mercedes-benz C

Blue Petrol 1796cc
Search another vehicle

MOT Status

Valid
Expires29 Oct 2026
Tests23 (20 pass, 3 fail)
Pass rate87%

Mileage

39,981 mi
Last recorded39,981 miles
Recorded on13 Oct 2025
Typical for 2003 Mercedes-benz C81,364 mi

Below or 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

RegistrationCK03 UNX
MakeMercedes-benz
ModelC
Year2003
ColourBlue
Fuel typePetrol
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

20 pass 3 fail
Pass 13 Oct 2025 39,981 miles

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

Pass 23 Oct 2024 39,363 miles

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

Fail 22 Oct 2024 39,363 miles

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

Headlamp lens seriously defective front both side (4.1.1 (b) (ii))

Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))

Nearside Front Brake disc in such a condition that it is seriously weakened (1.1.14 (a) (ii)) DANGEROUS

Offside Front Brake disc in such a condition that it is seriously weakened (1.1.14 (a) (ii)) DANGEROUS

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

Pass 25 Oct 2023 38,949 miles

Under-trays fitted obscuring some underside components

Pass 21 Oct 2022 38,544 miles

Under-trays fitted obscuring some underside components

Pass 1 Oct 2021 37,681 miles
Pass 30 Oct 2020 37,140 miles
Pass 4 Jul 2019 35,839 miles
Pass 11 Jul 2018 34,633 miles
Pass 30 Jun 2017 33,672 miles

Headlamp has a product on the light source but not seriously reducing light output both front (1.7.5a)

Fail 30 Jun 2017 33,672 miles

Headlamp has a product on the light source but not seriously reducing light output both front (1.7.5a)

Offside Front Tyre has ply or cords exposed (4.1.D.1b)

Offside Rear Tyre has ply or cords exposed (4.1.D.1b)

Pass 26 Jun 2016 32,145 miles

Nearside Front Outer Track rod end ball joint has slight play (2.2.B.1f)

Pass 29 Jun 2015 31,603 miles

Engine covers fitted obscuring some components in the engine bay

Under-trays fitted obscuring some underside components

Pass 23 Jun 2014 31,019 miles

Engine covers fitted obscuring some components in the engine bay

Inner Rear Brake pad(s) wearing thin (3.5.1g)

Nearside Outer Front Track rod end ball joint has slight play (2.2.B.1f)

Play in steering rack inner joint(s)

Under-trays fitted obscuring some underside components

Pass 2 Jul 2013 29,773 miles

Engine covers fitted obscuring some components in the engine bay

Oil leak

Under-trays fitted obscuring some underside components

Pass 10 Jun 2012 27,058 miles
Pass 23 Jun 2011 24,382 miles
Pass 19 Jun 2010 22,658 miles
Fail 19 Jun 2010 22,658 miles

Rear Brake pad(s) less than 1.5 mm thick (3.5.1g)

Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.5b)

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)

Pass 20 Jun 2009 21,673 miles

Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.5b)

Pass 6 Jun 2008 20,444 miles
Pass 21 May 2007 19,125 miles

Offside Outer Front Front wheel bearing has slight play (2.5.A.3c)

both front wiper rubbers smearing

Pass 4 May 2006 17,619 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

CK03 UNX is a 2003 Mercedes-benz C in Blue with a 1,796cc petrol engine. This vehicle has been through 23 MOT tests with a personal pass rate of 87%.

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 CK03 UNX, 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 CK03 UNX?

You can check the full history of CK03 UNX by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was CK03 UNX registered?

CK03 UNX is a 2003 Mercedes-benz C, first registered on 7 May 2003.

Is CK03 UNX safe to buy?

The MOT history for CK03 UNX shows 23 tests with a 87% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does CK03 UNX 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 CK03 UNX. 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.