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GN54 OCA

2004 Mercedes-benz Slk

Silver Petrol 1998cc
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MOT Status

Valid
Expires28 Oct 2026
Tests21 (16 pass, 5 fail)
Pass rate76.2%

Mileage

53,390 mi
Last recorded53,390 miles
Recorded on29 Oct 2025
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
Keepers
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Vehicle Details

RegistrationGN54 OCA
MakeMercedes-benz
ModelSlk
Year2004
ColourSilver
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

16 pass 5 fail
Pass 29 Oct 2025 53,390 miles

Brake disc worn, pitted or scored, but not seriously weakened both front (1.1.14 (a) (ii))

Rear Service brake fluctuating, but not excessively (1.2.1 (e))

Fail 9 Oct 2025 53,387 miles

Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c))

Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits (8.2.1.2 (a))

Exhaust hydrocarbon content after 2nd fast idle exceeds default limits (8.2.1.2 (b))

Front Service brake excessively fluctuating (1.2.1 (e))

Headlamp not working on main beam all (4.1.1 (a) (ii))

Horn not working (7.7 (a))

Nearside Front Direction indicator not working (4.4.1 (a) (ii))

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

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

Offside Front Direction indicator not working (4.4.1 (a) (ii))

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

Offside Headlamp aim projected beam image is obviously incorrect lens deteriorated (4.1.2 (c))

Parking brake efficiency below requirements (1.4.2 (a) (i))

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

Windscreen washer not working (3.5 (a))

Windscreen wiper not working (3.4 (a))

Rear Service brake fluctuating, but not excessively (1.2.1 (e))

Brake disc worn, pitted or scored, but not seriously weakened both front (1.1.14 (a) (ii))

Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Pass 26 Oct 2022 53,110 miles
Pass 27 Jan 2021 49,506 miles
Pass 24 Jan 2020 45,043 miles

Offside Front Inner Track rod end ball joint has slight play (2.1.3 (b) (i))

Fail 24 Jan 2020 45,043 miles

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

Offside Front Inner Track rod end ball joint has slight play (2.1.3 (b) (i))

Pass 17 Jan 2019 40,364 miles
Pass 30 Jan 2018 37,666 miles
Fail 30 Jan 2018 37,666 miles

Nearside Side repeater excessively damaged so that it is not visible from a reasonable distance (1.4.A.2e)

Pass 22 Apr 2017 36,668 miles
Pass 18 May 2016 35,420 miles

engine cover and under tray fitted

Fail 17 May 2016 35,420 miles

Nearside Front Inner Tyre tread depth below requirements of 1.6mm (4.1.E.1) DANGEROUS

engine cover and under tray fitted

Pass 19 Sep 2015 33,498 miles
Pass 3 Oct 2014 30,243 miles

Engine covers fitted obscuring some components in the engine bay

Under-trays fitted obscuring some underside components

Pass 1 Oct 2013 26,957 miles
Pass 27 Sep 2012 23,262 miles
Pass 27 Sep 2011 20,756 miles
Fail 12 Nov 2009 128,358 miles

Nearside Headlamp aim too high (1.8)

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

Offside Headlamp aim too high (1.8)

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

Pass 12 Nov 2009 17,995 miles

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 18 Nov 2008 13,290 miles
Pass 19 Nov 2007 12,185 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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GN54 OCA is a 2004 Mercedes-benz Slk in Silver with a 1,998cc petrol engine. This vehicle has been through 21 MOT tests with a personal pass rate of 76.2%.

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 GN54 OCA, 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 GN54 OCA?

You can check the full history of GN54 OCA by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was GN54 OCA registered?

GN54 OCA is a 2004 Mercedes-benz Slk, first registered on 26 November 2004.

Is GN54 OCA safe to buy?

The MOT history for GN54 OCA shows 21 tests with a 76.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does GN54 OCA 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 GN54 OCA. 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.