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T121 KSS

2004 Mercedes-benz Clk

Silver Petrol 4966cc
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MOT Status

Expired
Expires15 Jul 2026
Tests25 (15 pass, 10 fail)
Pass rate60%

Mileage

144,895 mi
Last recorded144,895 miles
Recorded on16 Jul 2025
Typical for 2004 Mercedes-benz Clk75,635 mi

Significantly above average — investigate

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

RegistrationT121 KSS
MakeMercedes-benz
ModelClk
Year2004
ColourSilver
Fuel typePetrol
Engine4,966cc
View full Mercedes-benz Clk reliability data Browse other 2004 Mercedes-benz Clk registrations

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

15 pass 10 fail
Pass 16 Jul 2025 144,895 miles

Front Brake disc worn, pitted or scored, but not seriously weakened both n/s o/s inners (1.1.14 (a) (ii))

Front Wheel bearing has slight play both n/s o/s (5.1.3 (a) (i))

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

Parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (1.4.2 (a) (i))

Rear Brake pipe corroded, covered in grease or other material both n/s o/s (1.1.11 (c))

Rear Road wheel slightly distorted both sides (5.2.2 (c) (i))

Fail 16 Jul 2025 144,895 miles

Nearside Stop lamp(s) not working (4.3.1 (a) (ii))

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

Front Brake disc worn, pitted or scored, but not seriously weakened both n/s o/s inners (1.1.14 (a) (ii))

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

Rear Brake pipe corroded, covered in grease or other material both n/s o/s (1.1.11 (c))

Rear Road wheel slightly distorted both sides (5.2.2 (c) (i))

Pass 27 Mar 2024 144,224 miles

Central Rear stop lamp not working

Front Anti-roll bar corroded but not seriously weakened (5.3.3 (b) (i))

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

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

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

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

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

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

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

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

Rear Anti-roll bar corroded but not seriously weakened (5.3.3 (b) (i))

Fail 13 Mar 2024 144,224 miles

Headlamp aim unable to be tested (4.1.2 (b))

Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))

Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii))

Nearside Front Lower Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

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

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

Offside Front Side repeater not working (4.4.1 (a) (ii))

Offside Front Lower Anti-roll bar linkage insecure and impairing directional stability (5.3.3 (a) (ii)) DANGEROUS

Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) DANGEROUS

Central Rear stop lamp not working

Front Anti-roll bar corroded but not seriously weakened (5.3.3 (b) (i))

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

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

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

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

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

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

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

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

Rear Anti-roll bar corroded but not seriously weakened (5.3.3 (b) (i))

Fail 25 Jan 2021 144,218 miles

Central Rear Stop lamp(s) not working (4.3.1 (a) (ii))

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

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

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

Front Registration plate does not conform to the specified requirements (0.1 (d))

Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

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

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

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

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

Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

Offside Front Side repeater not working (4.4.1 (a) (ii))

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

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

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

Rear Registration plate does not conform to the specified requirements (0.1 (d))

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

Pass 29 Jul 2019 137,178 miles
Pass 30 Jul 2018 125,017 miles

Nearside Play in steering rack inner joint(s) ()

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

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

Fail 30 Jul 2018 125,015 miles

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

Nearside Play in steering rack inner joint(s) ()

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

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

Pass 26 Jun 2017 107,997 miles

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

Offside Front Tyre worn close to the legal limit outer edge (4.1.E.1)

Fail 26 Jun 2017 107,997 miles

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

Nearside Stop lamp not working (1.2.1b)

Offside Front Tyre worn close to the legal limit outer edge (4.1.E.1)

Offside Headlamp not working on dipped beam (1.7.5a)

Pass 27 Jun 2016 95,372 miles

exhaust system rear support mounting has slight corrosion

Pass 9 Jun 2015 87,845 miles
Fail 9 Jun 2015 87,845 miles

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

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

Pass 2 Jun 2014 78,116 miles
Fail 30 May 2014 78,116 miles

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

Offside Front Front position lamp(s) not working (1.1.A.3b)

Offside Rear Stop lamp not working (1.2.1b)

Pass 14 Mar 2013 72,491 miles
Fail 13 Mar 2013 72,475 miles

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

Pass 27 Mar 2012 67,217 miles
Fail 27 Mar 2012 67,217 miles

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

Offside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Offside Front Suspension arm ball joint dust cover damaged, but preventing the ingress of dirt (2.4.G.2)

Pass 18 Mar 2011 61,115 miles

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

Nearside front tyre sidewall damaged

Pass 24 Mar 2010 54,980 miles

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

Pass 26 Mar 2009 47,103 miles

n/s/f tyre cuts in sidewall.

o/s/r alloy damaged

Fail 25 Mar 2009 47,089 miles

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

n/s/f tyre cuts in sidewall.

o/s/r alloy damaged

Pass 25 Mar 2008 40,971 miles
Pass 2 Mar 2007 89,868 miles

Front Number Plate Deteriorated

Nearside Front Brake pad(s) wearing thin (3.5.1g)

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

Offside Front Brake pad(s) wearing thin (3.5.1g)

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

Rear Number Plate Deteriorated

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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T121 KSS is a 2004 Mercedes-benz Clk in Silver with a 4,966cc petrol engine. This vehicle has been through 25 MOT tests with a personal pass rate of 60%.

Across all 2004 Mercedes-benz Clk models, the average MOT pass rate is 73.7% with a typical mileage of 75,635 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 Clk fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 59,319 recorded failures. If you're considering buying T121 KSS, 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 22 years old, this Mercedes-benz Clk is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of T121 KSS?

You can check the full history of T121 KSS by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was T121 KSS registered?

T121 KSS is a 2004 Mercedes-benz Clk, first registered on 12 March 2004.

Is T121 KSS safe to buy?

The MOT history for T121 KSS shows 25 tests with a 60% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does T121 KSS 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 T121 KSS. 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.