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KN54 BNX

2004 Mercedes-benz C

Black Diesel 2685cc
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MOT Status

Valid
Expires24 Feb 2027
Tests25 (16 pass, 9 fail)
Pass rate64%

Mileage

180,192 mi
Last recorded180,192 miles
Recorded on25 Feb 2026
Typical for 2004 Mercedes-benz C82,457 mi

Significantly above average — investigate

4 checks still locked for this Mercedes-benz
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Vehicle Details

RegistrationKN54 BNX
MakeMercedes-benz
ModelC
Year2004
ColourBlack
Fuel typeDiesel
Engine2,685cc

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

16 pass 9 fail
Pass 25 Feb 2026 180,192 miles

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

Nearside Rear Brake hose slightly deteriorated (1.1.12 (b) (ii))

Nearside Rear Subframe mounting prescribed area is corroded but not considered excessive Chassis leg (5.3.6 (a) (i))

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

Offside Rear Brake hose slightly deteriorated (1.1.12 (b) (ii))

Offside Rear Subframe mounting prescribed area is corroded but not considered excessive Chassis leg (5.3.6 (a) (i))

plate value defaced

Fail 15 Jan 2026 180,143 miles

Brake fluid significantly below minimum mark (1.1.10 (d) (ii))

Electronic stability control warning lamp indicates a fault (7.12 (e))

Nearside Front Position lamp not working (4.2.1 (a) (ii))

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

Nearside Headlamp lens seriously defective headlight leveller not checked (4.1.1 (b) (ii))

Nearside Rear Position lamp not working (4.2.1 (a) (ii))

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

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

Offside Front Position lamp not working (4.2.1 (a) (ii))

Offside Headlamp lens seriously defective headlight leveller not checked (4.1.1 (b) (ii))

Offside Rear Position lamp not working (4.2.1 (a) (ii))

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

Offside Front Inner Road wheel fractured (5.2.2 (a)) DANGEROUS

Brake fluid warning lamp illuminated (1.1.10 (f))

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

Nearside Rear Brake hose slightly deteriorated (1.1.12 (b) (ii))

Nearside Rear Subframe mounting prescribed area is corroded but not considered excessive chassis leg (5.3.6 (a) (i))

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

Offside Rear Brake hose slightly deteriorated (1.1.12 (b) (ii))

Offside Rear Subframe mounting prescribed area is corroded but not considered excessive chassis leg (5.3.6 (a) (i))

plate value defaced

Pass 20 Nov 2024 179,081 miles

Brake fluid close to minimum mark (1.1.10 (d) (ii))

Brake fluid warning lamp illuminated (1.1.10 (f))

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

Nearside Rear Brake hose slightly deteriorated (1.1.12 (b) (ii))

Nearside Rear Suspension component mounting prescribed area is corroded but not considered excessive chassis leg (5.3.6 (a) (i))

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

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

Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Rear Brake hose slightly deteriorated (1.1.12 (b) (ii))

Offside Rear Suspension component mounting prescribed area is corroded but not considered excessive chassis leg (5.3.6 (a) (i))

Plate value defaced

Pass 2 Nov 2023 177,979 miles

Brake fluid close to minimum mark (1.1.10 (d) (ii))

Brake fluid warning lamp illuminated (1.1.10 (f))

Central Exhaust has a minor leak of exhaust gases (6.1.2 (a))

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

Nearside Headlamp lens slightly defective (4.1.1 (b) (i))

Nearside Rear Brake hose slightly deteriorated (1.1.12 (b) (ii))

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

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

Offside Front Tyre worn close to legal limit/worn on edge worn on edge (5.2.3 (e))

Offside Headlamp lens slightly defective (4.1.1 (b) (i))

Offside Rear Brake hose slightly deteriorated (1.1.12 (b) (ii))

Plate value Defaced

Pass 17 Oct 2022 176,496 miles

Central Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Emissions plate defaced

Nearside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

Nearside Headlamp lens slightly defective (4.1.1 (b) (i))

Nearside Rear Brake hose slightly deteriorated (1.1.12 (b) (ii))

Offside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

Offside Headlamp lens slightly defective (4.1.1 (b) (i))

Offside Rear Brake hose slightly deteriorated (1.1.12 (b) (ii))

Fail 8 Apr 2022 176,260 miles

Exhaust emissions exceed manufacturer's specified limit Plate value @ 0.90 (8.2.2.2 (a))

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

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

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

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

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

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

Nearside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

Nearside Rear Brake hose slightly deteriorated (1.1.12 (b) (ii))

Offside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

Offside Rear Brake hose slightly deteriorated (1.1.12 (b) (ii))

Pass 9 Apr 2021 175,575 miles
Pass 23 Jan 2020 167,616 miles

Nearside Rear Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Offside Front Play in steering rack inner joint(s) ()

Offside Rear Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Fail 21 Jan 2020 167,614 miles

Exhaust emissions exceed level of metered smoke for a turbo charged engine (8.2.2.2 (b))

Nearside Front Inner Suspension arm pin or bush excessively worn (5.3.4 (a) (i))

Offside Front Inner Suspension arm pin or bush excessively worn (5.3.4 (a) (i))

Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii))

Nearside Rear Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Offside Front Play in steering rack inner joint(s) ()

Offside Rear Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Pass 11 Jan 2019 157,967 miles
Fail 4 Jan 2019 157,967 miles

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

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

Nearside Rear Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Rear Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Rear Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

Pass 5 Aug 2016 130,208 miles

Offside Rear Child Seat fitted not allowing full inspection of adult belt ()

Fail 4 Aug 2016 130,202 miles

Nearside Front Lower Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a)

Nearside Rear Brake pipe excessively corroded (3.6.B.2c)

Offside Rear Brake pipe excessively corroded (3.6.B.2c)

Offside Rear Child Seat fitted not allowing full inspection of adult belt ()

Fail 12 Jan 2015 114,023 miles

Offside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

Supplementary Restraint System warning lamp indicates a fault (5.4.2)

Pass 12 Jan 2015 114,023 miles

Offside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

Pass 16 Dec 2013 100,120 miles
Pass 13 Dec 2012 87,372 miles

Child seat fitted not allowing full inspection of adult belt

Engine covers fitted obscuring some components in the engine bay

Front Brake pad(s) wearing thin (3.5.1g)

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

Under-trays fitted obscuring some underside components

Pass 15 Dec 2011 77,737 miles
Fail 14 Dec 2011 77,732 miles

Nearside Rear rear brake binding (3.7.B.1)

Offside Rear rear brake binding (3.7.B.1)

Parking brake: efficiency below requirements (3.7.B.7)

Nearside Front Brake pad(s) wearing thin (3.5.1g)

Offside Front Brake pad(s) wearing thin (3.5.1g)

handbrake warning light on

Pass 16 Dec 2010 68,699 miles

Both rear tyres wearing on the inner edges

Handbrake light on

Pass 16 Dec 2009 14,975 miles

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

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

Pass 11 Dec 2008 41,978 miles

front brake pads very low

under shields prevent a full inspection

Fail 19 Nov 2008 41,954 miles

Rear Rear fog lamp not working (1.3.2b)

Rear fog lamp tell tale not working (1.3.1b)

front brake pads look very low but are hard to see

Pass 15 Oct 2007 36,008 miles
Fail 12 Oct 2007 35,973 miles

Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Offside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)

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

KN54 BNX is a 2004 Mercedes-benz C in Black with a 2,685cc diesel engine. This vehicle has been through 25 MOT tests with a personal pass rate of 64%.

Across all 2004 Mercedes-benz C models, the average MOT pass rate is 72.2% with a typical mileage of 82,457 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 KN54 BNX, 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 22 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 KN54 BNX?

You can check the full history of KN54 BNX by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KN54 BNX registered?

KN54 BNX is a 2004 Mercedes-benz C, first registered on 12 October 2004.

Is KN54 BNX safe to buy?

The MOT history for KN54 BNX shows 25 tests with a 64% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN54 BNX 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 KN54 BNX. 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.