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W20 SLK

2004 Mercedes-benz Slk

Blue Petrol 3498cc
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MOT Status

Valid
Expires5 Oct 2026
Tests20 (19 pass, 1 fail)
Pass rate95%

Mileage

12,878 mi
Last recorded12,878 miles
Recorded on30 Sep 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

RegistrationW20 SLK
MakeMercedes-benz
ModelSlk
Year2004
ColourBlue
Fuel typePetrol
Engine3,498cc

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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 1 fail
Pass 30 Sep 2025 12,878 miles
Pass 30 Sep 2024 12,531 miles
Pass 12 Sep 2023 12,104 miles

Nearside Rear Direction indicator slightly discoloured (4.4.3 (a))

Offside Rear Direction indicator slightly discoloured (4.4.3 (a))

Pass 26 Sep 2022 11,466 miles
Pass 29 Sep 2021 11,135 miles

Nearside Rear Direction indicator slightly discoloured (4.4.3 (a))

Offside Rear Direction indicator slightly discoloured (4.4.3 (a))

Pass 16 Sep 2020 10,651 miles
Pass 12 Sep 2019 10,226 miles

Nearside Front Road wheel slightly distorted (5.2.2 (c) (i))

Nearside Front Tyre slightly damaged Outer sidewall damage - No cords (5.2.3 (d) (ii))

Rear All direction indicators slightly discoloured (4.4.3 (a))

Pass 13 Sep 2018 9,655 miles
Pass 19 Sep 2017 8,922 miles
Pass 26 Sep 2016 8,503 miles

under trays fitted

Pass 18 Sep 2015 7,964 miles

under body trays fitted.

Fail 18 Sep 2015 7,961 miles

Nearside Front Tyre has ply or cords exposed Cut on inner side wall (4.1.D.1b)

under body trays fitted.

Pass 12 Sep 2014 7,200 miles

Parking brake lever has little reserve travel (3.1.6b)

Under-trays fitted obscuring some underside components

Pass 13 Sep 2013 6,559 miles

Small cuts in n/s/f inner sidewall

Pass 27 Sep 2012 6,061 miles
Pass 23 Sep 2011 5,670 miles
Pass 23 Sep 2010 5,343 miles
Pass 19 Sep 2009 4,767 miles
Pass 27 Sep 2008 4,095 miles
Pass 29 Sep 2007 3,342 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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W20 SLK is a 2004 Mercedes-benz Slk in Blue with a 3,498cc petrol engine. This vehicle has been through 20 MOT tests with a personal pass rate of 95%.

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 performed better than the average for its year.

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 W20 SLK, 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 W20 SLK?

You can check the full history of W20 SLK by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was W20 SLK registered?

W20 SLK is a 2004 Mercedes-benz Slk, first registered on 5 October 2004.

Is W20 SLK safe to buy?

The MOT history for W20 SLK shows 20 tests with a 95% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does W20 SLK 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 W20 SLK. 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.