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B15 ONO

2004 Mercedes-benz Slk

Black Petrol 1998cc
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MOT Status

Valid
Expires17 Feb 2027
Tests27 (19 pass, 8 fail)
Pass rate70.4%

Mileage

51,515 mi
Last recorded51,515 miles
Recorded on3 Feb 2026
Typical for 2004 Mercedes-benz Slk57,472 mi

Below or average mileage for this year

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

RegistrationB15 ONO
MakeMercedes-benz
ModelSlk
Year2004
ColourBlack
Fuel typePetrol
Engine1,998cc

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

19 pass 8 fail
Pass 3 Feb 2026 51,515 miles
Pass 18 Feb 2025 49,791 miles

Exhaust has a minor leak of exhaust gases middle pipe (6.1.2 (a))

Exhaust mounting defective middle pipe (6.1.2 (a))

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

Nearside Front Suspension arm ball joint dust cover severely deteriorated front arm (5.3.4 (b) (i))

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

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

check tyre pressure warning on

Fail 9 Dec 2024 49,764 miles

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

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

Exhaust has a minor leak of exhaust gases centre section (6.1.2 (a))

Exhaust mounting defective centre section (6.1.2 (a))

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

Nearside Front Suspension arm ball joint dust cover severely deteriorated front arm (5.3.4 (b) (i))

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

Offside Front Suspension arm ball joint dust cover severely deteriorated front arm (5.3.4 (b) (i))

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

check tyre pressure warning on

Pass 30 Nov 2023 48,359 miles

Exhaust has a minor leak of exhaust gases middle section (6.1.2 (a))

Exhaust mounting defective middle section (6.1.2 (a))

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

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

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

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

check tyre pressure warning on

Pass 8 Dec 2022 47,815 miles

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

Nearside Side repeater lens defective which has no effect on emitted light (4.4.1 (b) (i))

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

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

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

check tyre pressure warning on

Fail 6 Dec 2022 47,787 miles

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

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

Nearside Side repeater lens defective which has no effect on emitted light (4.4.1 (b) (i))

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

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

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

check tyre pressure warning on

Pass 10 Dec 2021 46,858 miles

Central Upper Stop lamp(s) non-obligatory stop lamp not working (4.3.1 (a) (ii))

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

Nearside Side repeater lens defective which has no effect on emitted light (4.4.1 (b) (i))

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

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

Pass 11 Dec 2020 45,648 miles

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

Nearside Side repeater lens defective which has no effect on emitted light (4.4.1 (b) (i))

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

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

check tyre pressure warning on

fuel pipes corroded

Fail 10 Dec 2020 45,611 miles

Nearside Headlamp light intensity severely reduced (4.1.4 (a))

Offside Headlamp light intensity severely reduced (4.1.4 (a))

Rear Sub-frame corroded and seriously weakened (5.3.3 (b) (i))

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

Nearside Side repeater lens defective which has no effect on emitted light (4.4.1 (b) (i))

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

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

check tyre pressure warning on

fuel pipes corroded

Pass 29 Nov 2019 44,510 miles

Exhaust mounting defective middle pipe (6.1.2 (a))

Fuel Pipe/s corroded ()

Nearside Side repeater lens defective which has no effect on emitted light (4.4.1 (b) (i))

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

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

Fail 26 Nov 2019 44,436 miles

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

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

Nearside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) DANGEROUS

Exhaust mounting defective middle pipe (6.1.2 (a))

Fuel Pipe/s corroded ()

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

Nearside Side repeater lens defective which has no effect on emitted light (4.4.1 (b) (i))

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

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

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

Pass 11 Dec 2018 43,600 miles

Fuel Pipe/s corroded ()

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

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

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

check tyre pressure light on

Pass 8 Dec 2017 42,666 miles

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

Nearside side repeater cover missning

Fail 1 Dec 2017 42,643 miles

Supplementary Restraint System warning lamp indicates a fault (5.4.2)

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

Nearside side repeater cover missning

Pass 12 Dec 2016 41,212 miles

under body covers fitted

Fail 8 Dec 2016 41,212 miles

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

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

Offside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement rear arm (2.4.G.2)

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

under body covers fitted

Pass 8 Dec 2015 39,851 miles

Offside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement rear arm (2.4.G.2)

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

under body covers fitted

Pass 13 Dec 2014 38,415 miles

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

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

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

Fail 12 Dec 2014 38,415 miles

Brake pedal spongy (3.3.B.1b)

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

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

Offside Rear Brake pipe leaking (3.6.A.1) DANGEROUS

Service brake: efficiency below requirements (3.7.C.1a) DANGEROUS

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

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

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

Pass 10 Dec 2013 36,756 miles

Under-trays fitted obscuring some underside components

unable to fully asses outer sills due to sill covers fitted

Pass 7 Dec 2012 34,960 miles

Rear Brake pipe slightly corroded (3.6.B.2c)

Under-trays fitted obscuring some underside components

front tyres wearing on outer edges

unable to fully asses outer sills due to sill covers fitted

Fail 3 Dec 2012 34,951 miles

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

Rear Brake pipe slightly corroded (3.6.B.2c)

Under-trays fitted obscuring some underside components

front tyres wearing on outer edges

unable to fully asses outer sills due to sill covers fitted

Pass 25 Nov 2011 30,581 miles

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

unable to fully asses outer sills due to sill covers fitted

Pass 6 Dec 2010 26,327 miles
Pass 21 Nov 2009 21,460 miles
Pass 13 Nov 2008 17,027 miles

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

Pass 18 Nov 2007 12,564 miles

How Reliable is the Mercedes-benz Slk?

Based on 1,335,553 MOT tests across 81,472 vehicles.

80.0%
Pass Rate
3,226
Miles/Year
29
Year Lifespan
81,472
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 28,060
coil spring broken 11,334
Stop lamp not working 8,797
Brake pipe excessively corroded 8,610
Tyre has ply or cords exposed 8,088
Full Mercedes-benz Slk reliability report

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£30k guarantee Instant results Cancel anytime

B15 ONO is a 2004 Mercedes-benz Slk in Black with a 1,998cc petrol engine. This vehicle has been through 27 MOT tests with a personal pass rate of 70.4%.

Across all 2004 Mercedes-benz Slk models, the average MOT pass rate is 78.0% with a typical mileage of 57,472 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 Slk fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 28,060 recorded failures. If you're considering buying B15 ONO, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz Slk typically stays on UK roads for around 29 years. At 22 years old, this Mercedes-benz Slk is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of B15 ONO?

You can check the full history of B15 ONO by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was B15 ONO registered?

B15 ONO is a 2004 Mercedes-benz Slk, first registered on 11 December 2004.

Is B15 ONO safe to buy?

The MOT history for B15 ONO shows 27 tests with a 70.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does B15 ONO 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 B15 ONO. 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.