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S121 KGF

1998 Mercedes-benz Sl

Silver Petrol 3199cc
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MOT Status

Valid
Expires24 Oct 2026
Tests29 (21 pass, 8 fail)
Pass rate72.4%

Mileage

69,621 mi
Last recorded69,621 miles
Recorded on6 Oct 2026
Typical for 1998 Mercedes-benz Sl74,108 mi

Below or average mileage for this year

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

RegistrationS121 KGF
MakeMercedes-benz
ModelSl
Year1998
ColourSilver
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

21 pass 8 fail
Fail 6 Oct 2026 69,621 miles

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

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

Pass 17 Oct 2025 68,716 miles

Oil leak, but not excessive leaking slightly from engine and rear diff (8.4.1 (a) (i))

Pass 8 Oct 2024 68,114 miles

Exhaust corroded

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

Nearside Non obligatory mirror damaged

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

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

Fail 8 Oct 2024 68,114 miles

Exhaust corroded

Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

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

Nearside Non obligatory mirror damaged

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

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

Pass 20 Oct 2023 68,079 miles

Exhaust corroded

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

Pass 17 Oct 2022 66,752 miles

Exhaust corroded

Non obligatory mirror damaged

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

Pass 25 Oct 2021 65,775 miles
Pass 21 Oct 2020 64,564 miles
Pass 23 Oct 2019 63,151 miles

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

Pass 25 Oct 2018 62,098 miles
Fail 24 Oct 2018 62,082 miles

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

Offside Front tyre is perished and cracked slightly

Fail 19 Oct 2018 62,060 miles

Emissions not tested due to excessive oil leak and slight misfire detected (8.2.1.2 (d))

Nearside Front Side repeater incorrect colour (4.4.3 (a))

Oil leaking excessively from engine (8.4.1 (a) (i))

Offside Front tyre is perished and cracked slightly

Pass 13 Sep 2017 60,828 miles
Fail 7 Sep 2017 60,812 miles

Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3)

Nearside Registration plate lamp not working (1.1.C.1d)

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

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

Offside Registration plate lamp not working (1.1.C.1d)

Pass 2 Sep 2016 59,794 miles
Pass 28 Aug 2015 58,086 miles
Fail 26 Aug 2015 58,080 miles

Nearside Front Tyre has ply or cords exposed (4.1.D.1b)

Offside Rear Inner Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (4.1.D.1a)

Pass 3 Sep 2014 56,063 miles
Fail 2 Sep 2014 56,051 miles

Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3)

Pass 30 Aug 2013 53,600 miles
Pass 3 Aug 2012 48,193 miles
Fail 2 Aug 2012 48,182 miles

Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3)

Pass 1 Sep 2011 44,568 miles
Pass 29 Jul 2011 44,371 miles
Pass 27 Jul 2010 41,775 miles
Pass 3 Aug 2009 38,376 miles
Pass 28 Jul 2008 36,042 miles

Oil leak

Spare tyre defective

Pass 31 Jul 2007 34,380 miles
Pass 8 Aug 2006 30,923 miles

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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S121 KGF is a 1998 Mercedes-benz Sl in Silver with a 3,199cc petrol engine. This vehicle has been through 29 MOT tests with a personal pass rate of 72.4%.

Across all 1998 Mercedes-benz Sl models, the average MOT pass rate is 82.5% with a typical mileage of 74,108 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 S121 KGF, 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 28 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 S121 KGF?

You can check the full history of S121 KGF by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was S121 KGF registered?

S121 KGF is a 1998 Mercedes-benz Sl, first registered on 31 December 1998.

Is S121 KGF safe to buy?

The MOT history for S121 KGF shows 29 tests with a 72.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does S121 KGF 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 S121 KGF. 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.