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B122 HEG

1984 Mercedes-benz Sl

Grey Petrol 4973cc
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MOT Status

Expired
Expires6 May 2026
Tests12 (9 pass, 3 fail)
Pass rate75%

Mileage

175,641 mi
Last recorded175,641 miles
Recorded on7 May 2025
Typical for 1984 Mercedes-benz Sl94,450 mi

Significantly above average — investigate

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

RegistrationB122 HEG
MakeMercedes-benz
ModelSl
Year1984
ColourGrey
Fuel typePetrol
Engine4,973cc

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

9 pass 3 fail
Pass 7 May 2025 175,641 miles

Front Brake pad(s) wearing thin 3mm (1.1.13 (a) (ii))

Nearside Rear Tyre worn close to legal limit/worn on edge 3mm (5.2.3 (e))

Offside Rear Tyre worn close to legal limit/worn on edge 3mm (5.2.3 (e))

Fail 20 Jan 2016 175,601 miles

Front registration plate deteriorated (6.3.1d)

Nearside Front Steering component mounting prescribed area is excessively corroded floor (2.2.C.1h)

Nearside Headlamp not working on dipped beam (1.7.5a)

Nearside Rear Suspension component mounting prescribed area is excessively corroded inner sill area (2.4.A.3)

Nearside Rear Suspension component mounting prescribed area is excessively corroded outer sill (2.4.A.3)

Offside Headlamp aim too low (1.8)

Offside Rear Suspension component mounting prescribed area is excessively corroded inner sill area (2.4.A.3)

Offside Rear Suspension component mounting prescribed area is excessively corroded outer sill (2.4.A.3)

Nearside Front Anti-roll bar rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Offside Front Anti-roll bar rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

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

accelarator pedal incomplete

near side front outer sill corroded

oil leaks

wiper blades splitting

Pass 3 Feb 2015 174,235 miles

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

offside rear arch corroded

Pass 9 Aug 2013 170,805 miles

Exhaust has a minor leak of exhaust gases (7.1.2)

Nearside Front Vehicle structure has slight corrosion (6.1.B.2)

Offside Front Vehicle structure has slight corrosion (6.1.B.2)

front bumper loose

Pass 13 Aug 2012 167,938 miles
Pass 13 Jul 2011 163,645 miles
Pass 8 Jul 2010 161,238 miles

Nearside Rear Brake hose slightly chafed (3.6.B.4d)

Offside Rear Brake hose slightly chafed (3.6.B.4d)

near side front wheel has slight play init

Pass 28 Oct 2008 158,073 miles
Fail 27 Oct 2008 158,072 miles

Nearside Front Shock absorber has a serious fluid leak (2.7.3)

Nearside Front wheel bearing has excessive play (2.5.A.3c)

Nearside Front wheel bearing rough when rotated (2.5.A.2)

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

Pass 7 Nov 2007 151,851 miles
Fail 6 Nov 2007 151,822 miles

Offside Rear Direction indicator incorrect colour (1.4.A.2f)

Offside Rear Rear fog lamp not working (1.3.2b)

Rear fog lamp tell tale not working (1.3.1b)

Pass 7 Nov 2006 143,885 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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B122 HEG is a 1984 Mercedes-benz Sl in Grey with a 4,973cc petrol engine. This vehicle has been through 12 MOT tests with a personal pass rate of 75%.

Across all 1984 Mercedes-benz Sl models, the average MOT pass rate is 76.9% with a typical mileage of 94,450 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 B122 HEG, 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 42 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 B122 HEG?

You can check the full history of B122 HEG by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was B122 HEG registered?

B122 HEG is a 1984 Mercedes-benz Sl, first registered on 30 December 1984.

Is B122 HEG safe to buy?

The MOT history for B122 HEG shows 12 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does B122 HEG 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 B122 HEG. 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.