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S122 SLK

2004 Mercedes-benz Slk

Blue Petrol 3498cc
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MOT Status

Expired
Expires28 Aug 2026
Tests29 (18 pass, 11 fail)
Pass rate62.1%

Mileage

126,460 mi
Last recorded126,460 miles
Recorded on14 Aug 2025
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

RegistrationS122 SLK
MakeMercedes-benz
ModelSlk
Year2004
ColourBlue
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 11 fail
Pass 14 Aug 2025 126,460 miles

Fluid leak, but not excessive Undertray damp with oil (8.4.1 (a) (i))

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

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

Pass 19 Aug 2024 117,110 miles

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

Fail 14 Aug 2024 117,110 miles

Nearside Front Headlamp insecure (4.1.1 (c))

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

Offside Front Bumper insecure (6.1.4 (a) (i))

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

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

Pass 25 Aug 2023 106,688 miles

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

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

Fail 25 Aug 2023 106,687 miles

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

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

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

Nearside Front Tyre has a bulge, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

Offside Front Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

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

Offside Front Suspension arm 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 23 Aug 2022 97,222 miles

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

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

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

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

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

Fail 18 Aug 2022 97,221 miles

Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))

Nearside Rear Brake pipe excessively corroded front to rear at rear (1.1.11 (c))

Offside Headlamp not working on dipped beam (4.1.1 (a) (ii))

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

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

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

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

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

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

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

Pass 26 Aug 2021 88,239 miles

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

engine covers fitted

under trays fitted

Fail 26 Aug 2021 88,239 miles

Nearside Front Lower Suspension arm ball joint likely to become detached (5.3.4 (a) (ii)) DANGEROUS

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

engine covers fitted

under trays fitted

Pass 19 Aug 2020 80,142 miles

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

engine covers fitted

under trays fitted

Fail 17 Aug 2020 80,142 miles

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

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

engine covers fitted

under trays fitted

Pass 29 Aug 2019 74,027 miles

Front Registration plate deteriorated but not likely to be misread broken piece missing (0.1 (b))

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

Fail 15 Aug 2019 74,007 miles

Front Brake disc significantly and obviously worn both (1.1.14 (a) (i))

Nearside Headlamp aim too high and too far to the right. (4.1.2 (a))

Offside Headlamp aim too high (4.1.2 (a))

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

Offside Front Tyre has ply or cords exposed (5.2.3 (d) (ii)) DANGEROUS

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

Front Registration plate deteriorated but not likely to be misread broken piece missing (0.1 (b))

Nearside Front Tyre slightly damaged inner side wall (5.2.3 (d) (ii))

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

Pass 22 Jan 2018 64,274 miles

Nearside Front Road wheel with a slightly distorted bead rim (4.2.A.1a)

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

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

Fail 22 Jan 2018 64,274 miles

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

Offside Rear Tyre has a bulge, caused by separation or partial failure of its structure (4.1.D.1b)

Nearside Front Road wheel with a slightly distorted bead rim (4.2.A.1a)

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

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

Pass 24 Jan 2017 51,754 miles

Nearside Front Road wheel with a slightly distorted bead rim (4.2.A.1a)

Nearside Front tyre slightly feathered on inner edge

Nearside Rear Road wheel with a slightly distorted bead rim (4.2.A.1a)

Offside Front Road wheel with a slightly distorted bead rim (4.2.A.1a)

Pass 15 Jan 2016 40,451 miles

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

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

Pass 9 Mar 2015 38,468 miles

engine light on diagnostics thermo stat

Fail 2 Mar 2015 38,448 miles

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

Parking brake lever has no reserve travel (3.1.6b)

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

engine light on diagnostics thermo stat

Pass 16 Dec 2013 35,859 miles
Fail 16 Dec 2013 35,859 miles

Rear Direction indicator incorrect colour (1.4.A.2f)

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

Pass 3 Dec 2012 32,943 miles

front stays not working

Fail 3 Dec 2012 32,943 miles

Nearside Rear Direction indicators incorrect colour (1.4.A.2f)

Offside Front Headlamp aim beam image obviously incorrect (1.8.A.1b)

Offside Rear Direction indicators incorrect colour (1.4.A.2f)

front stays not working

Pass 6 Dec 2011 29,500 miles

Both front brake discs have corrosion on inner faces.

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

Fail 5 Dec 2011 29,500 miles

Offside Rear coil spring incomplete (2.4.C.1a)

Both front brake discs have corrosion on inner faces.

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

Pass 25 Nov 2010 26,558 miles

Offside Front Road wheel with a slightly distorted bead rim (4.2.A.1a)

Pass 14 Dec 2009 22,973 miles
Pass 11 Dec 2008 19,454 miles
Pass 27 Nov 2007 14,665 miles

Nail in front tyre

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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S122 SLK is a 2004 Mercedes-benz Slk in Blue with a 3,498cc petrol engine. This vehicle has been through 29 MOT tests with a personal pass rate of 62.1%.

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 S122 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 S122 SLK?

You can check the full history of S122 SLK by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was S122 SLK registered?

S122 SLK is a 2004 Mercedes-benz Slk, first registered on 30 November 2004.

Is S122 SLK safe to buy?

The MOT history for S122 SLK shows 29 tests with a 62.1% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does S122 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 S122 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.