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C1 RNN

2004 Mercedes-benz Sl

Silver Petrol 5439cc
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MOT Status

Valid
Expires13 Mar 2027
Tests26 (20 pass, 6 fail)
Pass rate76.9%

Mileage

76,222 mi
Last recorded76,222 miles
Recorded on26 Feb 2026
Typical for 2004 Mercedes-benz Sl53,336 mi

Significantly above average — investigate

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

RegistrationC1 RNN
MakeMercedes-benz
ModelSl
Year2004
ColourSilver
Fuel typePetrol
Engine5,439cc

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 26 Feb 2026 76,222 miles

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

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

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

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

Fail 18 Feb 2026 76,221 miles

Central Front Lower Suspension arm pin or bush excessively worn Nearside & Offside (5.3.4 (a) (i))

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

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

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

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

Pass 25 Feb 2025 75,078 miles

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

Fail 24 Feb 2025 75,077 miles

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

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

Pass 14 Mar 2024 74,061 miles
Fail 23 Aug 2023 74,060 miles

Nearside Front Shock absorbers has an excessively worn bush Lower suspension ball joint (5.3.2 (c))

Offside Front Shock absorbers has an excessively worn bush Lower suspension ball joint (5.3.2 (c))

Registration plate does not conform to the specified requirements Both number plates incorrectly spaced (0.1 (d))

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

Tyre worn close to legal limit/worn on edge Both front tyres wearing on inner edge. (5.2.3 (e))

Pass 12 Aug 2022 72,604 miles

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

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

Pass 17 Aug 2021 71,395 miles
Pass 8 Oct 2020 69,950 miles
Pass 30 May 2019 68,521 miles
Pass 17 May 2018 67,126 miles
Pass 2 Jun 2017 65,256 miles

Both front tyres worn on edges

Nearside Front Brake pipe slightly corroded (3.6.B.2c)

Offside Front Brake pipe slightly corroded (3.6.B.2c)

Pass 6 Jun 2016 58,421 miles
Pass 8 Feb 2016 58,374 miles
Pass 10 Nov 2015 58,353 miles
Pass 27 Apr 2015 52,661 miles

Engine covers fitted obscuring some components in the engine bay

Front Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.5b)

Front Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

Front Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

Nearside Front Brake pipe slightly corroded (3.6.B.2c)

Offside Front Brake pipe slightly corroded (3.6.B.2c)

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

Offside Obligatory mirror deteriorated, but not seriously affecting the rear view (8.1.2a)

Under-trays fitted obscuring some underside components

Pass 12 May 2014 49,893 miles

Front Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.5b)

Fail 7 May 2014 49,884 miles

Nearside Rear Exhaust system not adequately supported (7.1.1)

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)

Front Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.5b)

Pass 1 May 2013 47,377 miles

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)

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

Pass 18 Apr 2012 44,184 miles
Pass 17 Mar 2011 39,582 miles
Fail 17 Mar 2011 39,582 miles

Nearside Headlamp aim too low (1.8)

Offside Headlamp aim too high (1.8)

Pass 10 Aug 2009 32,551 miles

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

Front brake discs worn and have heat cracks

Pass 23 Jun 2008 31,913 miles
Pass 20 Jun 2007 30,236 miles

Nail in offside front tyre

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

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

Play in front suspension arm

Fail 13 Jun 2007 30,219 miles

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

Nail in nearside rear tyre

Nail in offside front tyre

Nail in offside rear tyre

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

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

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

Slight play front suspension arm??

How Reliable is the Mercedes-benz Sl?

Based on 528,820 MOT tests across 35,553 vehicles.

83.4%
Pass Rate
2,023
Miles/Year
43
Year Lifespan
35,553
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 8,801
Tyre has ply or cords exposed 3,812
Brake pipe excessively corroded 3,463
Tyre has a cut in excess of the requirements deep enough to reach the ply or cords 3,077
Windscreen wiper does not clear the windscreen effectively 2,767
Full Mercedes-benz Sl reliability report

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C1 RNN is a 2004 Mercedes-benz Sl in Silver with a 5,439cc petrol engine. This vehicle has been through 26 MOT tests with a personal pass rate of 76.9%.

Across all 2004 Mercedes-benz Sl models, the average MOT pass rate is 84.8% with a typical mileage of 53,336 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 Sl fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 8,801 recorded failures. If you're considering buying C1 RNN, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz Sl typically stays on UK roads for around 43 years. At 22 years old, this Mercedes-benz Sl is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of C1 RNN?

You can check the full history of C1 RNN by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was C1 RNN registered?

C1 RNN is a 2004 Mercedes-benz Sl, first registered on 30 April 2004.

Is C1 RNN safe to buy?

The MOT history for C1 RNN 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 C1 RNN 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 C1 RNN. 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.