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RN54 TKZ

2005 Mercedes-benz Slk

Blue Petrol 1998cc
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MOT Status

Expired
Expires14 Jul 2026
Tests27 (17 pass, 10 fail)
Pass rate63%

Mileage

140,647 mi
Last recorded140,647 miles
Recorded on2 Jul 2025
Typical for 2005 Mercedes-benz Slk56,199 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

RegistrationRN54 TKZ
MakeMercedes-benz
ModelSlk
Year2005
ColourBlue
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

17 pass 10 fail
Pass 2 Jul 2025 140,647 miles

Central Rear Exhaust mounting defective (6.1.2 (a))

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

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

Pass 2 Jul 2024 137,746 miles

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

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

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

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

Pass 11 Jul 2023 133,894 miles

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

Fail 27 Jun 2023 133,707 miles

Rear Subframe mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i))

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

Pass 15 Jul 2022 128,556 miles
Fail 15 Jul 2022 128,556 miles

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

Pass 1 Jun 2021 126,458 miles

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

Offside Rear Nail in tyre ()

Fail 1 Jun 2021 126,456 miles

Nearside Rear Outer Brake pipe excessively corroded (1.1.11 (c))

Offside Rear Outer Brake pipe excessively corroded (1.1.11 (c))

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

Pass 5 Jun 2020 123,530 miles
Fail 5 Jun 2020 123,530 miles

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

Pass 15 Feb 2019 121,337 miles
Fail 14 Sep 2018 121,309 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))

Nearside Rear Brake pipe excessively corroded (1.1.11 (c))

Offside Rear Brake pipe excessively corroded (1.1.11 (c))

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

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

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

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

Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

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

Pass 12 Sep 2017 118,259 miles

Nearside Front Inner Tyre worn close to the legal limit edge bald & been run under pressure (4.1.E.1)

Nearside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

Nearside Rear Inner Tyre worn close to the legal limit edge bald & run under pressure (4.1.E.1)

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

Offside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

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

Rear registration plate deteriorated but not likely to be misread (6.3.1d)

Fail 12 Sep 2017 118,259 miles

Rear Exhaust has a major leak of exhaust gases silencer joints n/s & o/s (7.1.2)

Nearside Front Inner Tyre worn close to the legal limit edge bald & been run under pressure (4.1.E.1)

Nearside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

Nearside Rear Inner Tyre worn close to the legal limit edge bald & run under pressure (4.1.E.1)

Nearside Rear Nail in tyre ()

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

Offside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

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

Rear registration plate deteriorated but not likely to be misread (6.3.1d)

Pass 19 Aug 2016 113,499 miles
Fail 18 Aug 2016 113,499 miles

Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings subframe holed next to suspension mount as marked (6.1.B.2)

Nearside front brake excessively fluctuating (3.7.B.3)

Offside front brake excessively fluctuating (3.7.B.3)

Parking brake lever has no reserve travel (3.1.6b)

Rear Brake pipe slightly corroded front to rear (3.6.B.2c)

Pass 27 Aug 2015 110,249 miles
Fail 27 Aug 2015 110,249 miles

Nearside Front Headlamp aim too high (1.8)

Offside Front Headlamp aim too high (1.8)

Pass 15 Aug 2014 102,398 miles

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

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

Fail 14 Aug 2014 102,398 miles

Nearside Rear coil spring broken (2.4.C.1a)

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

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

Pass 24 May 2013 86,816 miles
Pass 12 Apr 2012 76,324 miles
Pass 15 Apr 2011 69,286 miles
Pass 26 Apr 2010 61,805 miles
Pass 15 May 2009 51,401 miles
Fail 15 May 2009 51,401 miles

Nearside Headlamp aim too high (1.8)

Offside Headlamp aim too high (1.8)

Pass 17 May 2008 39,578 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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RN54 TKZ is a 2005 Mercedes-benz Slk in Blue with a 1,998cc petrol engine. This vehicle has been through 27 MOT tests with a personal pass rate of 63%.

Across all 2005 Mercedes-benz Slk models, the average MOT pass rate is 79.6% with a typical mileage of 56,199 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 RN54 TKZ, 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 21 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 RN54 TKZ?

You can check the full history of RN54 TKZ by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was RN54 TKZ registered?

RN54 TKZ is a 2005 Mercedes-benz Slk, first registered on 21 January 2005.

Is RN54 TKZ safe to buy?

The MOT history for RN54 TKZ shows 27 tests with a 63% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does RN54 TKZ 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 RN54 TKZ. 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.