Mercedes G-Class (2011)

Estimated running costs and MOT pass rates from 92 MOT tests in 2024.

Annual Cost

£2,341

£195/month

MOT Pass Rate

96%

Excellent

Road Tax

£410

Estimated/year

Est. Insurance

Grp 30-42

2987cc Diesel

Great Choice

96% pass rate, £2,341/year to run. 14 points above average.

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Diesel2987cc15 years old92 tests71k miles avg

Annual Running Costs

Fuel (Diesel, 2987cc)

~40 mpg

£1,676

Road Tax

Estimated CO2 band

£410

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£2,341

Per month£195/mo

Per week£45/wk

Estimates based on 7,400 miles/year (UK average), diesel at 199.33p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included.

Reliability Verdict

96% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 14 points above the average of 82% across all models in our data. It also outperforms the Mercedes brand average of 87%.

96% of MOT tests on Mercedes G-Classs from 2011 ended in a pass in 2024, when they were about 13 years old. That's based on 92 tests across the UK, retests included. The average mileage recorded at those tests was 70,666 miles.

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How Does It Compare?

Rank among 2011 models29th of 595(top 5%)

Rank among Mercedes models187th of 1,376(top 14%)

vs average of all models+14%(82% avg)

vs 2011 models average+19%(77% avg)

vs Mercedes average+9%(87% avg)

Mileage Analysis

70,666

Average miles

96,200

Expected for age

The average 2011 Mercedes G-Class had 70,666 miles on the clock at its 2024 MOT, which is below the expected 96,200 miles for a 13-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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Best Year to Buy?

Of the years with at least 100 tests, the 2019 model has the highest MOT pass rate at 96%, while the 2017 model has the lowest at 86%. The 2011 scores 96%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Mercedes G-Class by Year

Year	Pass Rate	Tests	Avg Mileage
2021	78%	65	30,190 mi
2020	98%	66	32,570 mi
2019	96%	319	41,698 mi
2018	94%	807	39,199 mi
2017	86%	691	43,730 mi
2016	94%	604	58,012 mi
2015	88%	591	48,991 mi
2014	92%	362	54,969 mi
2013	94%	449	69,675 mi
2012	90%	221	76,209 mi
2011	96%	92	70,666 mi
2010	73%	33	78,145 mi
2007	100%	35	103,461 mi
2001	60%	42	93,234 mi
1999	82%	44	113,541 mi

Similar Cars to Consider

Land Rover Range Rover

2013 · 2926cc Diesel

£2,491/year

88%

-8%

Audi A4

2011 · 2967cc Diesel

£2,491/year

82%

-14%

Jaguar XF

2013 · 2993cc Diesel

£2,491/year

82%

-14%

Audi A5

2013 · 2967cc Diesel

£2,491/year

85%

-11%

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About the 2011 Mercedes G-Class

The 2011 Mercedes G-Class is a premium performance car. Our records list a 2987cc diesel engine, though engines vary between versions. 92 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It ranks in the top 5% of all 2011 models for MOT pass rate.

With an average of 70,666 miles recorded at its 2024 MOT tests, Mercedes G-Class owners tend to use this car less than the typical driver.

2011 Mercedes G-Class Fuel Costs

The 2987cc diesel engine is on the larger side, so fuel won't be this car's strong point. Expect around 40 mpg in mixed driving, which works out to roughly £1,676 per year with diesel at 199.33p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 2011 Mercedes G-Class?

Total estimated annual running cost is £2,341 (£195/month), broken down as £1,676 fuel, £410 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 96% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Mercedes G-Class Reliability Trend

The Mercedes G-Class has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.

Buying a Used 2011 Mercedes G-Class

At 15 years old, the Mercedes G-Class is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2019 model has the highest pass rate at 96%. Note: with only 92 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Watch out

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Dual Mass Flywheel

Watch out

Larger diesel engines put extra strain on the dual mass flywheel. Listen for rattling at idle. Replacement with clutch is £800-£1,500.

Rust and Corrosion

Watch out

At 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.

Suspension Bushings

Watch out

Rubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.

Service History

Low risk

Always request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.

Running Costs Compared

How the 2011 Mercedes G-Class stacks up against similar cars for estimated annual running costs, insurance group, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Est. Ins. Group	Total/yr
Mercedes G-Class(2011)	96%	£1,676	£410	Grp 30-42	£2,341
Land Rover Range Rover(2013)	88%	£1,676	£410	Grp 30-42	£2,491+£150
Audi A4(2011)	82%	£1,676	£410	Grp 30-42	£2,491+£150
Jaguar XF(2013)	82%	£1,676	£410	Grp 30-42	£2,491+£150
Audi A5(2013)	85%	£1,676	£410	Grp 30-42	£2,491+£150

Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.

Questions about the 2011 Mercedes G-Class

Is the 2011 Mercedes G-Class reliable?

Excellent reliability. Very few MOT failures. 96% of MOT tests on 2011 Mercedes G-Classs ended in a pass, from 92 tests (DVSA MOT data for tests in 2024, retests included). That's 14 points above the average of 82% across all models in the same data.

How much does a 2011 Mercedes G-Class cost to run?

Our estimate is £2,341 a year (£195 a month): £1,676 fuel, £410 road tax, £55 MOT and £200 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2011 Mercedes G-Class?

96% of 92 MOT tests on the 2011 Mercedes G-Class ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 29th of 595 models first registered in 2011 (top 5%).

Which year Mercedes G-Class has the best MOT pass rate?

Of the years with at least 100 tests, the 2019 Mercedes G-Class has the highest MOT pass rate at 96% and the 2017 the lowest at 86%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2011 Mercedes G-Class?

The average mileage recorded at MOT tests on the 2011 Mercedes G-Class is 70,666 miles, which is below the expected 96,200 miles for a 13-year-old car. This suggests lighter use than average, which generally means less wear on major components.