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J166 GMP

1991 Mercedes-benz Sl

Red Petrol 2960cc
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MOT Status

Expired
Expires22 Jul 2026
Tests15 (13 pass, 2 fail)
Pass rate86.7%

Mileage

85,513 mi
Last recorded85,513 miles
Recorded on23 Jul 2025
Typical for 1991 Mercedes-benz Sl85,052 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

RegistrationJ166 GMP
MakeMercedes-benz
ModelSl
Year1991
ColourRed
Fuel typePetrol
Engine2,960cc

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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

13 pass 2 fail
Pass 23 Jul 2025 85,513 miles
Fail 17 Jul 2025 85,512 miles

Nearside Headlamp aim too high (4.1.2 (a))

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

Offside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

Offside Headlamp aim too high (4.1.2 (a))

Offside Headlamp light intensity severely reduced (4.1.4 (a))

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 27 Jun 2024 84,239 miles
Pass 25 May 2022 84,039 miles
Pass 10 Jun 2021 83,801 miles
Pass 5 Oct 2017 83,426 miles
Pass 13 Oct 2016 83,201 miles
Pass 23 Sep 2015 82,081 miles
Pass 29 Sep 2014 81,788 miles
Pass 18 Sep 2013 80,510 miles
Pass 27 Sep 2012 79,447 miles
Pass 6 Sep 2011 78,571 miles

Heavy oil leak from engine ,wetting exhaust

Fail 31 Aug 2011 78,542 miles

Nearside Headlamp aim too high (1.8)

Rear Exhaust system not adequately supported (7.1.1)

Heavy oil leak from engine ,wetting exhaust

Pass 31 Aug 2010 77,588 miles

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

all tyres badly perished

Pass 7 Jul 2008 77,536 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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J166 GMP is a 1991 Mercedes-benz Sl in Red with a 2,960cc petrol engine. This vehicle has been through 15 MOT tests with a personal pass rate of 86.7%.

Across all 1991 Mercedes-benz Sl models, the average MOT pass rate is 81.3% with a typical mileage of 85,052 miles. This particular vehicle has performed better than the average for its year.

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 J166 GMP, 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 35 years old, this Mercedes-benz Sl is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of J166 GMP?

You can check the full history of J166 GMP by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was J166 GMP registered?

J166 GMP is a 1991 Mercedes-benz Sl, first registered on 31 December 1991.

Is J166 GMP safe to buy?

The MOT history for J166 GMP shows 15 tests with a 86.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does J166 GMP 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 J166 GMP. 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.