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KN03 UNU

2003 Mercedes-benz A-class

Blue Petrol 1397cc
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MOT Status

Expired
Expires19 Aug 2025
Tests23 (17 pass, 6 fail)
Pass rate73.9%

Mileage

100,797 mi
Last recorded100,797 miles
Recorded on2 Jun 2026
Typical for 2003 Mercedes-benz A-class59,196 mi

Significantly above average — investigate

4 checks still locked for this Mercedes-benz
Stolen
Finance
Write-off
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Vehicle Details

RegistrationKN03 UNU
MakeMercedes-benz
ModelA-class
Year2003
ColourBlue
Fuel typePetrol
Engine1,397cc

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

17 pass 6 fail
Fail 2 Jun 2026 100,797 miles

Front Headlamp aim unable to be tested Both N/S and O/S (4.1.2 (b))

Front Position lamp not working Both N/S and O/S (4.2.1 (a) (ii))

Nearside Front Coil spring fractured or broken (5.3.1 (b) (i))

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

Offside Front Coil spring fractured or broken (5.3.1 (b) (i))

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

Offside Front Upper Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii))

Rear Position lamp not working Both N/S and O/S (4.2.1 (a) (ii))

Rear Registration plate lamp inoperative in the case of a single lamp or all lamps (4.7.1 (b) (ii))

Rear fog lamp not working (4.5.1 (a) (ii))

Front Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii)) DANGEROUS

Pass 20 Aug 2024 97,394 miles

Central exhaust box outer skin in poor conation

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

both headlamp lenses going misty

Pass 19 May 2023 92,053 miles

Nearside Front Windscreen wiper blade defective split end (3.4 (b) (i))

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

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

centre exhaust box rusty

Fail 16 May 2023 92,050 miles

Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))

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

Nearside Front Windscreen wiper blade defective split end (3.4 (b) (i))

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

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

centre exhaust box rusty

Pass 9 Apr 2022 89,105 miles

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

Rear Brake pipe corroded, covered in grease or other material nearside and offside (1.1.11 (c))

Rear box outer skin in poor condition

both headlamp lenses going misty

Pass 7 Apr 2021 85,535 miles

Brake pipe corroded, covered in grease or other material nearside and offside rear corroded (1.1.11 (c))

EML light on

centre exhaust box corroded and in poor condition

Fail 26 Mar 2021 85,530 miles

Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i))

Brake pipe corroded, covered in grease or other material nearside and offside rear corroded (1.1.11 (c))

EML light on

centre exhaust box corroded and in poor condition

Pass 17 Mar 2020 81,670 miles

Brake pipe corroded, covered in grease or other material nearside and offside rear corroded (1.1.11 (c))

nearside rear coil spring corroded

rear exhaust box corroded

Pass 19 Mar 2019 79,195 miles

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

Fail 15 Mar 2019 79,187 miles

Central Rear Seat belt buckle not functioning as intended (7.1.2 (d))

Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))

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

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

Pass 3 Oct 2016 74,697 miles

Front Shock absorber has a light misting of oil nearside and offside (2.7.3)

Nearside Rear coil spring corroded (2.4.C.1b)

Offside Front tyre tread wearing on inner edge and tread perishing

Offside Rear tyre perishing and going out of shape inner edge

Fail 3 Oct 2016 74,697 miles

Front Shock absorber has a light misting of oil nearside and offside (2.7.3)

Nearside Headlamp not working on dipped beam (1.7.5a)

Nearside Rear coil spring corroded (2.4.C.1b)

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

Offside Front tyre tread wearing on inner edge and tread perishing

Offside Rear tyre perishing and going out of shape inner edge

Pass 6 Oct 2015 69,016 miles

Offside Front tyre wearing on inner tread

Rear registration plate deteriorated but not likely to be misread (6.3.1d)

Pass 9 Oct 2014 62,496 miles

Rear registration plate deteriorated but not likely to be misread (6.3.1d)

nearside front tyre wearing on outer tread

Pass 11 Oct 2013 60,831 miles
Pass 22 Aug 2012 59,075 miles
Pass 24 Aug 2011 58,092 miles

nearside rear tyre starting to pearish on outter tread

Fail 10 Aug 2010 57,417 miles

Offside Front Headlamp not working on dipped beam (1.7.5a)

nearside front brake disc wornand offside front

Pass 10 Aug 2010 57,417 miles

nearside front brake disc wornand offside front

Pass 5 Aug 2009 56,206 miles

Nearside Front Brake hose slightly deteriorated (3.6.B.4d)

Pass 29 Jul 2008 52,245 miles

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

Pass 10 Aug 2007 45,103 miles
Pass 8 Jan 2007 39,550 miles

How Reliable is the Mercedes-benz A-class?

Based on 4,204,702 MOT tests across 368,463 vehicles.

77.6%
Pass Rate
5,763
Miles/Year
28
Year Lifespan
368,463
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 63,616
Brake pipe excessively corroded 58,529
Stop lamp not working 50,991
Registration plate lamp not working 41,728
Brake hose excessively deteriorated 38,250
Full Mercedes-benz A-class reliability report

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KN03 UNU is a 2003 Mercedes-benz A-class in Blue with a 1,397cc petrol engine. This vehicle has been through 23 MOT tests with a personal pass rate of 73.9%.

Across all 2003 Mercedes-benz A-class models, the average MOT pass rate is 72.0% with a typical mileage of 59,196 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Mercedes-benz A-class fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 63,616 recorded failures. If you're considering buying KN03 UNU, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz A-class typically stays on UK roads for around 28 years. At 23 years old, this Mercedes-benz A-class is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of KN03 UNU?

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

What year was KN03 UNU registered?

KN03 UNU is a 2003 Mercedes-benz A-class, first registered on 16 April 2003.

Is KN03 UNU safe to buy?

The MOT history for KN03 UNU shows 23 tests with a 73.9% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN03 UNU 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 UNU. 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.