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KT51 ALS

2003 Mercedes-benz Clk

Black Petrol 3199cc
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MOT Status

Valid
Expires27 Apr 2027
Tests26 (20 pass, 6 fail)
Pass rate76.9%

Mileage

128,814 mi
Last recorded128,814 miles
Recorded on28 Apr 2026
Typical for 2003 Mercedes-benz Clk77,480 mi

Significantly above average — investigate

4 checks still locked for this Mercedes-benz
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Vehicle Details

RegistrationKT51 ALS
MakeMercedes-benz
ModelClk
Year2003
ColourBlack
Fuel typePetrol
Engine3,199cc

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

20 pass 6 fail
Pass 28 Apr 2026 128,814 miles

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

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

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

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

Offside Front Coolant leak coolant bottle leak ()

Offside Front Shock absorbers has light misting of oil (5.3.2 (b))

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

Offside Front Wheel bearing has slight play (5.1.3 (a) (i))

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

Offside Rear Tyre worn close to legal limit/worn on edge 255/35/18 (5.2.3 (e))

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

Fail 5 Mar 2026 128,188 miles

Nearside Front Anti-roll bar ball joint excessively worn (5.3.4 (a) (i))

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

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

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

Nearside Rear Anti-roll bar pin or bush worn but not resulting in excessive movement d bush (5.3.4 (a) (i))

Nearside Rear Brake pipe corroded, covered in grease or other material x2 (1.1.11 (c))

Nearside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Nearside Rear Outer Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

Offside Front Inner Play in steering rack inner joint(s) ()

Offside Front Wheel bearing has slight play (5.1.3 (a) (i))

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

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

Offside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Pass 28 Mar 2025 120,480 miles

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

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

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

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

Nearside Rear Inner Tyre has a cut but not deep enough to reach the ply or cords side wall (5.2.3 (d) (i))

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

Offside Front Wheel bearing has slight play (5.1.3 (a) (i))

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

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

Fail 18 Mar 2025 120,475 miles

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

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

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

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

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

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

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

Nearside Rear Inner Tyre has a cut but not deep enough to reach the ply or cords side wall (5.2.3 (d) (i))

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

Offside Front Wheel bearing has slight play (5.1.3 (a) (i))

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

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

Pass 14 Mar 2024 113,140 miles

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

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

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

Pass 22 Mar 2023 106,104 miles

Front Registration plate insecure but not likely to fall off (0.1 (a))

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

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

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

Offside Front Wheel bearing has slight play (5.1.3 (a) (i))

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

Pass 23 Mar 2022 99,324 miles

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

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

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

Fail 17 Mar 2022 99,324 miles

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

Nearside Front Service brake excessively fluctuating (1.2.1 (e))

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

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

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

Pass 18 Mar 2021 98,016 miles

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

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

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

Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

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

Pass 25 Apr 2019 89,139 miles

Nearside Front Service brake fluctuating, but not excessively

under-trays and engine cover fitted

Pass 23 Aug 2018 88,525 miles

Nearside Front Service brake fluctuating, but not excessively (1.2.1 (e))

Fail 23 Aug 2018 88,525 miles

Nearside Front Service brake fluctuating, but not excessively (1.2.1 (e))

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

Pass 9 Aug 2017 86,057 miles

Nearside front brake fluctuating, but not excessively (3.7.B.3)

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

Pass 8 Aug 2016 83,412 miles
Pass 21 Aug 2015 80,237 miles
Pass 1 Sep 2014 77,114 miles

Nail in offside front tyre

Pass 5 Aug 2013 74,835 miles

Centre Stop lamp has light sources not illuminating, but not more than 50% (1.2.1b)

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.D.4)

Pass 6 Aug 2012 73,265 miles

Centre Stop lamp has light sources not illuminating, but not more than 50% (1.2.1b)

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.D.4)

Pass 5 Aug 2011 71,799 miles

less than 50% of the lamp is not working

Fail 5 Aug 2011 71,799 miles

Nearside Front coil spring fractured (2.4.C.1a)

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

less than 50% of the lamp is not working

Pass 18 Aug 2010 69,093 miles

Offside Lower Front suspension has slight movement at a suspension ball joint (2.5.A.1c)

Pass 21 Aug 2009 59,906 miles
Pass 8 Aug 2008 50,599 miles
Pass 6 Aug 2007 41,652 miles

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

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)

Offside Rear rear brake juddering slightly (3.7.A.5b)

Fail 6 Aug 2007 41,652 miles

Centre Rear Upper Stop lamp not working (1.2.1b)

Nearside Front Track rod end ball joint has excessive play (2.2.B.1f)

Offside Front Seat belt retracting mechanism defective (5.2.5b)

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

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)

Offside Rear rear brake juddering slightly (3.7.A.5b)

Pass 30 Aug 2006 34,669 miles

How Reliable is the Mercedes-benz Clk?

Based on 1,410,029 MOT tests across 83,874 vehicles.

74.7%
Pass Rate
4,986
Miles/Year
28
Year Lifespan
83,874
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 59,319
coil spring broken 19,719
Suspension arm has excessive play in a ball joint 16,744
Track rod end ball joint has excessive play 14,943
Brake pad(s) less than 1.5 mm thick 14,136
Full Mercedes-benz Clk reliability report

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KT51 ALS is a 2003 Mercedes-benz Clk in Black with a 3,199cc petrol engine. This vehicle has been through 26 MOT tests with a personal pass rate of 76.9%.

Across all 2003 Mercedes-benz Clk models, the average MOT pass rate is 74.1% with a typical mileage of 77,480 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Mercedes-benz Clk fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 59,319 recorded failures. If you're considering buying KT51 ALS, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz Clk typically stays on UK roads for around 28 years. At 23 years old, this Mercedes-benz Clk is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of KT51 ALS?

You can check the full history of KT51 ALS by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KT51 ALS registered?

KT51 ALS is a 2003 Mercedes-benz Clk, first registered on 3 September 2003.

Is KT51 ALS safe to buy?

The MOT history for KT51 ALS shows 26 tests with a 76.9% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KT51 ALS 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 KT51 ALS. 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.