Mercedes G CLASS

1,555 on UK roads in 2025-25 vs 2024

On the road

1,555

1,555 licensed

Change vs 2024

-1.6%

-25 cars

New in 2025

first-time registrations

Electrified

hybrid, plug-in & battery

The Mercedes G CLASS is an uncommon sight on UK roads, with 1,555 licensed in 2025 - down 1.6% on 2024. 11 were registered new in 2025. The fleet is overwhelmingly diesel (82%), with most in the Over 3.0L class. Most date from the 2020-2025 era.

How many are left?

Licensed Mercedes G CLASS cars on the road over time

New registrations

First-time registrations per year

What the typical Mercedes G CLASS looks like

Fuel, engine size and age across every Mercedes G CLASS on the road today.

Fuel mix

Current split

1,555total

Petrol18.5%
Diesel81.5%

Engine size

Cars on the road by engine capacity

1.6-2.0L1
Over 3.0L1,554

How old are they?

Share of cars by the year they were first registered

Before 20000%
2000-20040%
2005-20090%
2010-201420%
2015-201934%
2020-202545%

MOT & reliability

2025 MOT data

How a Mercedes G Class holds up at its MOT and how it's driven - from 1,556 tests, tracked across 2022-2025.

First-time pass rate

Average for its class

85.4%

1,556 MOT tests in 2025 · 1,398 first-time

Pass rate over time

2022

86.6%

2023

87%

2024

85.4%

2025

85.4%

▼ 1.2 pts since 2022

Pass rate by age

First-time pass rate by the car's age (tested in 2025)

How a Mercedes G Class is driven

tracked across 2022-25

How much it's driven

miles a year, from 1,434 cars tracked across years

5,397miles a year · average use

54.5%

low · <5k

42.7%

avg · 5-15k

2.7%

high · 15k+

Most cover 2,440-7,212 miles a year (median 4,527).

Miles driven by age

Yearly mileage as the car ages

Driven most when newer, easing as it gets older.

Mileage & condition

Typical mileage at test

Odometer when tested (2025)

58,459

25,227middle 50%: 36,732-74,52897,510

Typical odometer rising: 44,742 → 49,250 → 54,179 → 58,459

Holds up by mileage

Pass rate as the odometer climbs

Under 40k

90.9%

40-80k

83.5%

80-120k

83.3%

120k+

78.6%

Petrol vs diesel

First-time pass rate by fuel

Not enough data.

A 2025 Mercedes G Class passes first time 85.4% of the time - above the 77.6% UK average, and easing slightly year on year. The typical one is driven about 5,397 miles a year, and reliability is mostly about miles: 90.9% of low-mileage cars pass versus 78.6% past 120k.

Why a G CLASS fails its MOT

2025 MOT data

Of 204 first-time fails, here's what gets flagged most. Most cars fail on more than one item, so shares add up past 100%.

Where a G CLASS fails

Share of failed tests, by area

Lamps & electrical35.3%

Tyres22.5%

Brakes21.1%

Suspension16.2%

Exhaust & emissions15.2%

Steering14.7%

Visibility13.2%

Body & structure11.3%

Top specific defects

Exact items most often recorded as the reason a car failed

A spring or spring component fractured or seriously weakened28

A tyre seriously damaged27

The aim of a headlamp is not within limits laid down in the requirements21

A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning18

Steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc17

Wiper blade missing or obviously not clearing the windscreen15

Engine MIL illuminated indicating a malfunction14

Exhaust system leaking or insecure13

A brake lining or pad worn below 1.5mm13

Windscreen washers not working or not providing sufficient fluid to clear the windscreen13

20.1% flagged dangerous·2.4 defects per fail·204 fails analysed

Mercedes G CLASS - frequently asked

How many Mercedes G CLASS are left in the UK?

There are 1,555 Mercedes G CLASS cars still licensed on UK roads in 2025, down 1.6% on 2024.

How many new Mercedes G CLASS were registered in 2025?

11 brand-new Mercedes G CLASS cars were first registered in 2025.

What fuel does the typical Mercedes G CLASS use?

Most are diesel - about 82% of all Mercedes G CLASS on the road, with the majority in the Over 3.0L engine class. In total, 0% are electrified (hybrid, plug-in or battery).

How old is the typical Mercedes G CLASS?

Most Mercedes G CLASS cars on the road today date from the 2020-2025 era.

How reliable is the Mercedes G CLASS?

85.4% of Mercedes G CLASS cars pass their MOT first time, compared with a UK average of 77.6% across all cars. The typical tested Mercedes G CLASS has around 52,352 miles on the clock.

Buying a Mercedes G CLASS?

Before you buy a specific Mercedes G CLASS, run its registration through AnalyzeMyCar for MOT history, mileage checks, service history and valuation.

Check a car

What the typical Mercedes G CLASS looks like

Fuel, engine size and age across every Mercedes G CLASS on the road today.

Fuel mix

Current split

1,555total

Petrol18.5%
Diesel81.5%

Engine size

Cars on the road by engine capacity

1.6-2.0L1
Over 3.0L1,554

How old are they?

Share of cars by the year they were first registered

Before 20000%
2000-20040%
2005-20090%
2010-201420%
2015-201934%
2020-202545%

MOT & reliability

2025 MOT data

How a Mercedes G Class holds up at its MOT and how it's driven - from 1,556 tests, tracked across 2022-2025.

First-time pass rate

Average for its class

85.4%

1,556 MOT tests in 2025 · 1,398 first-time

Pass rate over time

2022

86.6%

2023

87%

2024

85.4%

2025

85.4%

▼ 1.2 pts since 2022

Pass rate by age

First-time pass rate by the car's age (tested in 2025)

How a Mercedes G Class is driven

tracked across 2022-25

How much it's driven

miles a year, from 1,434 cars tracked across years

5,397miles a year · average use

54.5%

low · <5k

42.7%

avg · 5-15k

2.7%

high · 15k+

Most cover 2,440-7,212 miles a year (median 4,527).

Miles driven by age

Yearly mileage as the car ages

Driven most when newer, easing as it gets older.

Mileage & condition

Typical mileage at test

Odometer when tested (2025)

58,459

25,227middle 50%: 36,732-74,52897,510

Typical odometer rising: 44,742 → 49,250 → 54,179 → 58,459

Holds up by mileage

Pass rate as the odometer climbs

Under 40k

90.9%

40-80k

83.5%

80-120k

83.3%

120k+

78.6%

Petrol vs diesel

First-time pass rate by fuel

Not enough data.

Why a G CLASS fails its MOT

2025 MOT data

Of 204 first-time fails, here's what gets flagged most. Most cars fail on more than one item, so shares add up past 100%.

Where a G CLASS fails

Share of failed tests, by area

Lamps & electrical35.3%

Tyres22.5%

Brakes21.1%

Suspension16.2%

Exhaust & emissions15.2%

Steering14.7%

Visibility13.2%

Body & structure11.3%

Top specific defects

Exact items most often recorded as the reason a car failed

A spring or spring component fractured or seriously weakened28

A tyre seriously damaged27

The aim of a headlamp is not within limits laid down in the requirements21

A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning18

Steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc17

Wiper blade missing or obviously not clearing the windscreen15

Engine MIL illuminated indicating a malfunction14

Exhaust system leaking or insecure13

A brake lining or pad worn below 1.5mm13

Windscreen washers not working or not providing sufficient fluid to clear the windscreen13

20.1% flagged dangerous·2.4 defects per fail·204 fails analysed

Mercedes G CLASS - frequently asked

How many Mercedes G CLASS are left in the UK?

There are 1,555 Mercedes G CLASS cars still licensed on UK roads in 2025, down 1.6% on 2024.

How many new Mercedes G CLASS were registered in 2025?

11 brand-new Mercedes G CLASS cars were first registered in 2025.

What fuel does the typical Mercedes G CLASS use?

Most are diesel - about 82% of all Mercedes G CLASS on the road, with the majority in the Over 3.0L engine class. In total, 0% are electrified (hybrid, plug-in or battery).

How old is the typical Mercedes G CLASS?

Most Mercedes G CLASS cars on the road today date from the 2020-2025 era.

How reliable is the Mercedes G CLASS?

85.4% of Mercedes G CLASS cars pass their MOT first time, compared with a UK average of 77.6% across all cars. The typical tested Mercedes G CLASS has around 52,352 miles on the clock.

Buying a Mercedes G CLASS?

Before you buy a specific Mercedes G CLASS, run its registration through AnalyzeMyCar for MOT history, mileage checks, service history and valuation.

Check a car