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MERCEDES 320 (2006)

Running costs, common problems, and reliability data based on 181 real MOT tests in 2024.

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MOT Pass Rate

78%

Total Tests (2024)

181

Avg Mileage

118,117 mi

Est. Annual Cost

£2,050

Is the 2006 MERCEDES 320 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 320s from 2006 passed their MOT first time in 2024. That's based on 181 tests across the UK. The average mileage at this age is 118,117 miles.

How does the 2006 MERCEDES 320 compare?

Rank among all 2006 cars205th out of 575(top 36%)
Rank among all MERCEDES models1176th 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 320 has 118,117 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 320?

The most reliable year is the 1994 model with a 91% MOT pass rate, while the 2009 model has the lowest at 71%. The 2006 sits between the two at 78%.

How much does a 2006 MERCEDES 320 cost to run?

⛽Fuel (Diesel, 3199cc)
£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 320 by Year

YearPass RateTestsAvg Mileage
200971%72117,144 mi
200875%115121,055 mi
200784%148128,327 mi
200678%181118,117 mi
200572%58125,364 mi
200478%45113,945 mi
200170%3799,359 mi
200074%3992,550 mi
199987%31120,105 mi
199491%6690,618 mi
199384%376120,168 mi
199288%34138,038 mi

Checking a specific MERCEDES 320?

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About the 2006 MERCEDES 320

The 2006 MERCEDES 320 is a performance with a 3199cc diesel engine. 181 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 118,117 miles at 18 years old, MERCEDES 320 owners drive about as much as the UK average.

2006 MERCEDES 320 Fuel Costs

The 3199cc 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 320?

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 320 Reliability Trend

Older MERCEDES 320s tend to have better MOT pass rates than newer ones, with an average decline of 5 percentage points across model years.

Buying a Used 2006 MERCEDES 320

At 18 years old, the MERCEDES 320 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 1994 model has the highest pass rate at 91%.

Alternatives to the 2006 MERCEDES 320

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