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SEA 138L

1973 MG B

Blue Petrol 1798cc
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MOT Status

Valid
Expires18 Oct 2026
Tests18 (11 pass, 7 fail)
Pass rate61.1%

Mileage

94,533 mi
Last recorded94,533 miles
Recorded on22 Sep 2025
Typical for 1973 MG B38,472 mi

Significantly above average — investigate

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

RegistrationSEA 138L
MakeMG
ModelB
Year1973
ColourBlue
Fuel typePetrol
Engine1,798cc

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 7 fail
Pass 22 Sep 2025 94,533 miles

Nearside Rear Shock absorbers has light misting of oil (5.3.2 (b))

corrosion around under body areas inner arches underside under sealed

Fail 22 Sep 2025 94,533 miles

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

Nearside Rear Registration plate lamp inoperative in the case of a single lamp or all lamps (4.7.1 (b) (ii))

Offside Rear Registration plate lamp inoperative in the case of a single lamp or all lamps (4.7.1 (b) (ii))

Position lamp not working front and rear (4.2.1 (a) (ii))

Nearside Rear Shock absorbers has light misting of oil (5.3.2 (b))

corrosion around under body areas inner arches underside under sealed

Pass 24 Sep 2024 94,280 miles

surface corrosion around underbody areas underside undersealed

Fail 23 Sep 2024 94,280 miles

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

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

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

surface corrosion around underbody areas underside undersealed

Pass 2 Oct 2023 94,196 miles

previous welding all around underbody. underbody undersealed.

Fail 29 Sep 2023 94,196 miles

Offside Front Parking brake mechanism/associated mounting prescribed area is excessively corroded bulkhead (1.1.21 (e) (i))

previous welding all around underbody. underbody undersealed.

Pass 19 Oct 2022 93,883 miles
Fail 17 Oct 2022 93,881 miles

Nearside Front Hydraulic brake calliper leaking (1.1.16 (b) (i))

Nearside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner sill/wheel arch (5.3.6 (a) (i))

Nearside Stop lamp(s) not working (4.3.1 (a) (ii))

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

Offside Parking brake inoperative on one side (1.4.1 (a))

Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i))

Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner sill (5.3.6 (a) (i))

Parking brake efficiency below requirements (1.4.2 (a) (i))

Nearside Rear Hydraulic brake cylinder leaking and braking performance affected (1.1.16 (b) (ii)) DANGEROUS

Pass 31 Mar 2021 93,331 miles

handbrake efficiency lower on offside rear

surface corrosion to underside

Fail 31 Mar 2021 93,331 miles

Nearside Rear Position lamp not working (4.2.1 (a) (ii))

Offside Front Suspension component mounting prescribed area excessively corroded significantly reducing structural strength inner wheel arch to bay (5.3.6 (a) (i))

Offside Rear Stop lamp(s) adversely affected by the operation of another lamp indicator lights up when brake pressed (4.3.3 (b))

Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength chassis leg (5.3.6 (a) (i))

Engine mounting excessively loose rear box (6.1.8 (a) (ii)) DANGEROUS

handbrake efficiency lower on offside rear

surface corrosion to underside

Pass 19 Feb 2020 92,938 miles
Pass 14 Mar 2019 91,554 miles
Fail 13 Mar 2019 91,553 miles

Nearside Rear Parking brake inoperative on one side (1.4.1 (a))

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

Parking brake efficiency below requirements (1.4.2 (a) (i))

Pass 16 Mar 2018 90,461 miles

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

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

Pass 27 Mar 2009 88,355 miles
Pass 9 May 2007 33,495 miles

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

Pass 30 May 2006 79,615 miles
Fail 30 May 2006 79,615 miles

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

How Reliable is the MG B?

Based on 191,608 MOT tests across 19,443 vehicles.

78.1%
Pass Rate
381
Miles/Year
63
Year Lifespan
19,443
On UK Roads

Top MOT Failure Points

Windscreen washer provides insufficient washer liquid 5,224
brake binding 4,089
Parking brake: efficiency below requirements 3,715
Stop lamp not working 3,343
Steering rack gaiter split 2,887
Full MG B reliability report

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SEA 138L is a 1973 MG B in Blue with a 1,798cc petrol engine. This vehicle has been through 18 MOT tests with a personal pass rate of 61.1%.

Across all 1973 MG B models, the average MOT pass rate is 79.2% with a typical mileage of 38,472 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 MG B fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 5,224 recorded failures. If you're considering buying SEA 138L, it's worth having these areas checked by a mechanic before committing.

The MG B typically stays on UK roads for around 63 years. At 53 years old, this MG B is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of SEA 138L?

You can check the full history of SEA 138L by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was SEA 138L registered?

SEA 138L is a 1973 MG B, first registered on 11 April 1973.

Is SEA 138L safe to buy?

The MOT history for SEA 138L shows 18 tests with a 61.1% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does SEA 138L 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 SEA 138L. 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.