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B139 FCS

1985 Mercedes-benz Sl

Blue Petrol 2746cc
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MOT Status

Expired
Expires27 May 2026
Tests22 (11 pass, 11 fail)
Pass rate50%

Mileage

124,265 mi
Last recorded124,265 miles
Recorded on28 May 2025
Typical for 1985 Mercedes-benz Sl92,344 mi

Above average mileage for this year

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

RegistrationB139 FCS
MakeMercedes-benz
ModelSl
Year1985
ColourBlue
Fuel typePetrol
Engine2,746cc

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

11 pass 11 fail
Pass 28 May 2025 124,265 miles

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

Central Rear Prop shaft flexible coupling slightly deteriorated (6.1.7 (d) (i))

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

Front Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Front Vehicle structure or chassis corroded within 30cm of a mounting, but not seriously affecting overall security (6.2.2 (d) (i))

Rear Vehicle structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

Pass 12 May 2021 124,239 miles
Fail 11 May 2021 124,239 miles

Rear Anti-roll bar linkage damaged and seriously weakened both (5.3.3 (b) (i))

Pass 4 May 2020 124,120 miles

Front Anti-roll bar linkage corroded but not seriously weakened both (5.3.3 (b) (i))

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

Fail 4 May 2020 124,120 miles

Front Anti-roll bar linkage corroded but not seriously weakened both (5.3.3 (b) (i))

Front Windscreen washer provides insufficient washer liquid (3.5 (a))

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

Fail 14 Jun 2018 124,100 miles

Nearside Front Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i))

Nearside Rear Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i))

Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i))

Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))

Offside Front Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i))

Offside Rear Vehicle structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i))

Registration plate lamp does not illuminate simultaneously with the position lamps (4.7.2 (a))

Nearside Front Anti-roll bar pin or bush likely to become detached (5.3.4 (a) (ii)) DANGEROUS

Nearside Front Front passenger door catch deteriorated so the door cannot be readily opened or closed (6.2.3 (c) (i))

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

Pass 2 May 2017 123,957 miles
Fail 2 May 2017 123,957 miles

Offside Front Headlamp not working on dipped beam (1.7.5a)

Pass 24 Mar 2016 123,951 miles
Fail 21 Mar 2016 123,951 miles

Front Windscreen washer provides insufficient washer liquid (8.2.3)

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

Offside Front Headlamp not working on dipped beam (1.7.5a)

Fail 5 Dec 2015 123,950 miles

Driver's door cannot be opened from outside the vehicle (6.2.B.1b)

Front Anti-roll bar linkage rubber bush deteriorated resulting in excessive movement both (2.4.G.2)

Front Direction indicators not working both (1.4.A.2c)

Front Windscreen washer provides insufficient washer liquid (8.2.3)

Front Windscreen wiper blade missing both (8.2.2)

Nearside Front Direction indicator excessively damaged so that it is not visible from a reasonable distance (1.4.A.2e)

Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Offside Front Headlamp not working on main beam (1.7.5a)

Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Rear Direction indicators not working both (1.4.A.2c)

Centre Front Lower Drag link end ball joint has slight play (2.2.B.1f)

Front Sub-frame worn but not seriously weakened (2.4.G.1)

Nearside Front mirror missing

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

Oil like

Rear Anti-roll bar linkage rubber bush deteriorated but not resulting in excessive movement both (2.4.G.2)

Rear Sub-frame worn but not seriously weakened (2.4.G.1)

coil spring corroded all (2.4.C.1b)

Pass 23 Nov 2011 121,418 miles

Battery insecure

Nearside Rear Exhaust has a minor leak of exhaust gases (7.1.2)

SLIGHT RUST NEARSIDE FRONT SILL

wear in steering box

Fail 18 Nov 2011 121,418 miles

Centre Steering damper gland failed and leaking oil (2.2.C.1e)

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Horn not working (1.6.2a)

Nearside Inner Steering component is not secure to the vehicle structure (2.2.B.1a)

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

Nearside Windscreen wiper does not clear the windscreen effectively (8.2.2)

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

Offside Windscreen wiper does not clear the windscreen effectively (8.2.2)

Steering system has excessive free play detected at the steering wheel (steering box fitted) (2.2.A.1a)

Parking brake: efficiency below requirements (3.7.B.7) DANGEROUS

Battery insecure

SLIGHT RUST NEARSIDE FRONT SILL

Pass 12 Oct 2010 120,664 miles

Offside Front Shock absorber has a light misting of oil (2.7.3)

Steering system has slight free play detected at steering wheel (2.2.A.1a)

Fail 10 Sep 2010 120,650 miles

Exhaust emissions hydrocarbon content excessive (7.3.B.1b)

Nearside Anti-roll bar rubber bush deteriorated resulting in excessive movement (2.4.G.2)

Nearside Headlamp aim too low (1.8)

Nearside Rear Mechanical brake component has restricted free movement (3.5.1k)

Offside Anti-roll bar rubber bush bonding deteriorated resulting in excessive movement (2.4.G.2)

Rear Brake pad(s) less than 1.5 mm thick (3.5.1g)

Steering system has excessive free play detected at the steering wheel (steering box fitted) (2.2.A.1a)

Windscreen washer provides insufficient washer liquid (8.2.3)

Offside Front Shock absorber has a light misting of oil (2.7.3)

Service brake: service brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)

Pass 8 Oct 2009 117,408 miles

Nearside Front Seat belt damaged but not affecting the operation of the belt (5.2.2a)

Steering system has slight free play detected at steering wheel (2.2.A.1a)

park brake travel

Pass 23 Oct 2008 118,415 miles

Front Exhaust has a minor leak of exhaust gases (7.1.2)

Offside Front Shock absorber has a light misting of oil (2.7.3)

Steering system has slight free play detected at steering wheel (2.2.A.1a)

Fail 16 Oct 2008 118,412 miles

Hazard warning switch faulty (1.4.B.1d)

Nearside Front Headlamp aim too low (1.8)

Hazard warning lamps not flashing in phase, with ignition off (1.4.B.1f)

Hazard warning lamps not flashing in phase, with ignition on (1.4.B.1f)

Nearside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

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

Front Exhaust has a minor leak of exhaust gases (7.1.2)

Offside Front Shock absorber has a light misting of oil (2.7.3)

Steering system has slight free play detected at steering wheel (2.2.A.1a)

Pass 11 Oct 2007 113,215 miles
Fail 12 Apr 2007 113,190 miles

Nearside rear brake binding (3.7.B.1)

Parking brake: efficiency below requirements (3.7.B.7) DANGEROUS

Nail in nearside rear tyre

Small hole in offside headlamp glass.

Pass 18 Sep 2006 112,870 miles

rear exhaust in poor condition

slight exhaust leak from manifold area

water leak suspect w/pump

Fail 14 Sep 2006 112,870 miles

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

Nearside Rear rear brake binding (3.7.B.1)

Parking brake: efficiency below requirements (3.7.B.7)

rear exhaust in poor condition

slight exhaust blow from manifold area

water leak suspect w/pump

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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B139 FCS is a 1985 Mercedes-benz Sl in Blue with a 2,746cc petrol engine. This vehicle has been through 22 MOT tests with a personal pass rate of 50%.

Across all 1985 Mercedes-benz Sl models, the average MOT pass rate is 77.5% with a typical mileage of 92,344 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 B139 FCS, 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 41 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 B139 FCS?

You can check the full history of B139 FCS by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was B139 FCS registered?

B139 FCS is a 1985 Mercedes-benz Sl, first registered on 31 December 1985.

Is B139 FCS safe to buy?

The MOT history for B139 FCS shows 22 tests with a 50% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does B139 FCS 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 B139 FCS. 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.