CarCostCheck

MERCEDES GL (2006)

Running costs, common problems, and reliability data based on 160 real MOT tests in 2024.

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MOT Pass Rate

78%

Total Tests (2024)

160

Avg Mileage

123,042 mi

Est. Annual Cost

£2,050

Is the 2006 MERCEDES GL reliable?

Average reliability. Expect some repairs as it ages. That's close to the national average of 82%. It falls below the MERCEDES brand average of 87%.

At 18 years old, 78% of MERCEDES GLs from 2006 passed their MOT first time in 2024. That's based on 160 tests across the UK. The average mileage at this age is 123,042 miles.

How does the 2006 MERCEDES GL compare?

Rank among all 2006 cars206th out of 575(top 36%)
Rank among all MERCEDES models1177th out of 1,408(top 84%)
vs national average-4% (82% avg)
vs 2006 cars average+5% (73% avg)
vs MERCEDES average-9% (87% avg)

Mileage Analysis

The average 2006 MERCEDES GL has 123,042 miles on the clock, which is in line with the expected 133,200 miles for a 18-year-old car, suggesting normal everyday use.

Best year to buy a MERCEDES GL?

The most reliable year is the 2020 model with a 100% MOT pass rate, while the 2006 model has the lowest at 78%. Consider a different year if reliability is a priority.

How much does a 2006 MERCEDES GL cost to run?

⛽Fuel (Diesel, 2987cc)
£1,245
🏛️Road Tax
£250
🔧MOT Test
£55
🛠️Predicted Repairs
£500
Total per year£2,050
Per month£171/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

MERCEDES GL by Year

YearPass RateTestsAvg Mileage
202199%7129,185 mi
2020100%6941,984 mi
201993%13735,018 mi
201895%6338,524 mi
201779%47108,751 mi
201688%47573,156 mi
201589%1,28379,394 mi
201492%1,32193,766 mi
201390%1,304103,757 mi
201289%22599,410 mi
201186%609116,582 mi
201089%435121,550 mi
200981%224126,000 mi
200884%371122,229 mi
200785%572130,779 mi
200678%160123,042 mi

Checking a specific MERCEDES GL?

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About the 2006 MERCEDES GL

The 2006 MERCEDES GL is a large car with a 2987cc diesel engine. 160 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. Among all cars from 2006, the average MOT pass rate is 73%, and this model beats that benchmark.

With an average of 123,042 miles at 18 years old, MERCEDES GL owners drive about as much as the UK average.

2006 MERCEDES GL 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 £1,245 per year at current diesel prices of 148p per litre (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 2006 MERCEDES GL?

Total estimated annual running cost is £2,050 (£171/month), broken down as £1245 fuel, £250 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 78% pass rate. Keeping on top of servicing will help avoid surprises.

MERCEDES GL Reliability Trend

Newer MERCEDES GLs show better MOT pass rates than older ones, with an average improvement of 9 percentage points.

Buying a Used 2006 MERCEDES GL

At 18 years old, the MERCEDES GL 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.

Alternatives to the 2006 MERCEDES GL

If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines: