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NBB 177L

1973 MG B

Blue Petrol 1798cc
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MOT Status

Expired
Expires9 Jul 2026
Tests17 (14 pass, 3 fail)
Pass rate82.4%

Mileage

98,662 mi
Last recorded98,662 miles
Recorded on10 Jul 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

RegistrationNBB 177L
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

14 pass 3 fail
Pass 10 Jul 2025 98,662 miles
Pass 1 Aug 2023 98,648 miles
Pass 16 Jun 2022 98,594 miles
Fail 31 Jul 2020 98,582 miles

Nearside Rear Service brake excessively binding (1.2.1 (f))

Engine mounting bolt loose

Nearside 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 30 Jun 2018 98,565 miles
Pass 30 Jun 2017 98,519 miles
Pass 5 Jul 2016 98,503 miles
Pass 7 Jul 2015 98,472 miles
Pass 10 Jul 2014 98,422 miles

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

Fail 8 Jul 2014 98,419 miles

Front Brake pipe leaking (3.6.A.1)

Fuel system component leaking (7.2.3)

Nearside Front Brake pipe leaking (3.6.A.1)

Offside Front Brake pipe leaking (3.6.A.1)

Offside Rear Brake pipe leaking (3.6.A.1)

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

Windscreen washer provides insufficient washer liquid (8.2.3)

passenger door does not latch securely closed (6.2.B.1a)

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

Pass 3 May 2011 98,160 miles

UNDERBODY OILED AND GREASED

chrome oversills fitted restricting corrosion assessment

front anti roll bar bushes worn

slight splits in offside rear tyre side wall

underbody corroded ( plated from inside )

Fail 21 Apr 2011 98,160 miles

Brake pipe inadequately clipped (3.6.B.1)

Fuel system component leaking (7.2.3)

Offside rear brake recording little or no effort (3.7.B.5a)

Windscreen washer provides insufficient washer liquid (8.2.3)

UNDERBODY OILED AND GREASED

chrome oversills fitted restricting corrosion assessment

front anti roll bar bushes worn

slight splits in offside rear tyre side wall

underbody corroded ( plated from inside )

Pass 30 Apr 2010 97,664 miles
Pass 29 Apr 2009 97,359 miles
Pass 21 Mar 2008 97,258 miles
Pass 24 Mar 2007 97,058 miles
Pass 30 Mar 2006 96,803 miles

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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NBB 177L is a 1973 MG B in Blue with a 1,798cc petrol engine. This vehicle has been through 17 MOT tests with a personal pass rate of 82.4%.

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 performed better than the average for its year.

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 NBB 177L, 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 NBB 177L?

You can check the full history of NBB 177L by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was NBB 177L registered?

NBB 177L is a 1973 MG B, first registered on 1 April 1973.

Is NBB 177L safe to buy?

The MOT history for NBB 177L shows 17 tests with a 82.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does NBB 177L 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 NBB 177L. 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.