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3 UN

2020 Mercedes-benz Gla

White Diesel 1968cc
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MOT Status

Valid
Expires21 Jun 2027
Tests14 (10 pass, 4 fail)
Pass rate71.4%

Mileage

64,382 mi
Last recorded64,382 miles
Recorded on22 Jun 2026
Typical for 2020 Mercedes-benz Gla29,657 mi

Significantly above average — investigate

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

Registration3 UN
MakeMercedes-benz
ModelGla
Year2020
ColourWhite
Fuel typeDiesel
Engine1,968cc

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50+ data points
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MOT History

10 pass 4 fail
Pass 22 Jun 2026 64,382 miles
Pass 8 May 2026 63,491 miles
Pass 23 Oct 2025 59,511 miles

Offside Front Seat belt webbing slightly damaged or frayed (7.1.2 (b))

Offside Rear Lower spring mounting rubber is split/perished

Fail 23 Oct 2025 59,511 miles

Nearside Front Headlamp aim too high (4.1.2 (a))

Offside Front Headlamp aim too high (4.1.2 (a))

Offside Front Seat belt webbing slightly damaged or frayed (7.1.2 (b))

Offside Rear Lower spring mounting rubber is split/perished

Pass 13 Aug 2025 57,164 miles
Fail 13 Aug 2025 57,164 miles

Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))

Pass 24 Oct 2024 52,800 miles

Offside Rear Coil spring mounting corroded but not seriously weakened (5.3.1 (b) (i))

Pass 23 Jul 2024 44,763 miles
Fail 23 Jul 2024 44,763 miles

Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))

Front Brake pad(s) wearing thin and rear (1.1.13 (a) (ii))

Rear Tyre slightly damaged/cracking or perishing both side (5.2.3 (d) (ii))

Pass 7 Dec 2023 42,305 miles

Nearside Front Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Pass 27 Oct 2023 45,762 miles

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

Undertrays & engine cover fitted not allowing a full inspection of the under body and other parts

Fail 26 Oct 2023 45,759 miles

Offside Rear Brake pad(s) worn down to wear indicator (1.1.13 (a) (i))

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

Undertrays & engine cover fitted not allowing a full inspection of the under body and other parts

Pass 14 Dec 2022 34,234 miles

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

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

Pass 29 Sep 2021 25,265 miles

How Reliable is the Mercedes-benz Gla?

Based on 485,860 MOT tests across 69,226 vehicles.

87.4%
Pass Rate
6,663
Miles/Year
12
Year Lifespan
69,226
On UK Roads
Full Mercedes-benz Gla reliability report

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3 UN is a 2020 Mercedes-benz Gla in White with a 1,968cc diesel engine. This vehicle has been through 14 MOT tests with a personal pass rate of 71.4%.

Across all 2020 Mercedes-benz Gla models, the average MOT pass rate is 89.1% with a typical mileage of 29,657 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The Mercedes-benz Gla typically stays on UK roads for around 12 years. At 6 years old, this Mercedes-benz Gla is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of 3 UN?

You can check the full history of 3 UN by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was 3 UN registered?

3 UN is a 2020 Mercedes-benz Gla, first registered on 23 October 2020.

Is 3 UN safe to buy?

The MOT history for 3 UN shows 14 tests with a 71.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does 3 UN 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 3 UN. 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.