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SO51 KGO

2004 Mercedes-benz Slk

Silver Petrol 3498cc
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MOT Status

Valid
Expires23 May 2027
Tests25 (18 pass, 7 fail)
Pass rate72%

Mileage

113,118 mi
Last recorded113,118 miles
Recorded on23 May 2026
Typical for 2004 Mercedes-benz Slk57,472 mi

Significantly above average — investigate

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

RegistrationSO51 KGO
MakeMercedes-benz
ModelSlk
Year2004
ColourSilver
Fuel typePetrol
Engine3,498cc

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

18 pass 7 fail
Pass 23 May 2026 113,118 miles

Front Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Nearside Front Outer Nail in tyre

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

Fail 21 May 2026 113,112 miles

Horn not working (7.7 (a))

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

Front Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Nearside Front Outer Nail in tyre

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

Pass 24 May 2025 111,728 miles

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

Fail 23 May 2025 111,721 miles

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

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

Pass 25 Jan 2024 109,063 miles

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

Fail 16 Jan 2024 109,009 miles

Rear Sub-frame is fractured and structural rigidity is significantly reduced (6.1.1 (a) (i))

Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords both (5.2.3 (d) (i))

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

Pass 13 Dec 2022 100,561 miles

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

Fail 9 Dec 2022 100,560 miles

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

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

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

Nearside Front Suspension arm ball joint has slight play Lower rear control arm (Chalked) (5.3.4 (a) (i))

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

Pass 6 Jan 2022 98,448 miles
Pass 30 Oct 2020 96,619 miles

Tyre worn close to legal limit/worn on edge Both rear (5.2.3 (e))

Pass 23 Oct 2019 94,324 miles

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

Parking brake needs slight adjustment

Fail 23 Oct 2019 94,324 miles

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

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

Nearside Registration plate lamp does not illuminate simultaneously with the position lamps (4.7.2 (a))

Parking brake needs slight adjustment

Pass 9 Oct 2018 91,214 miles
Pass 23 Oct 2017 88,801 miles
Pass 27 Jun 2016 86,438 miles
Pass 27 Jun 2015 83,682 miles
Pass 20 Jun 2014 81,512 miles

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

Pass 14 Jun 2013 76,758 miles
Pass 11 Jun 2012 68,240 miles

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

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

Fail 17 Jun 2011 59,148 miles

Front Headlamp aim too low (1.8)

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

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

Pass 17 Jun 2011 59,148 miles

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

Pass 18 Nov 2009 51,129 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 18 Nov 2008 42,172 miles

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

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

Offside Front 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 12 Sep 2007 34,056 miles
Fail 22 Aug 2007 34,014 miles

Parking brake lever has no reserve travel (3.1.6b)

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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SO51 KGO is a 2004 Mercedes-benz Slk in Silver with a 3,498cc petrol engine. This vehicle has been through 25 MOT tests with a personal pass rate of 72%.

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 SO51 KGO, 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 SO51 KGO?

You can check the full history of SO51 KGO by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was SO51 KGO registered?

SO51 KGO is a 2004 Mercedes-benz Slk, first registered on 1 September 2004.

Is SO51 KGO safe to buy?

The MOT history for SO51 KGO shows 25 tests with a 72% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does SO51 KGO 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 SO51 KGO. 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.