CarCostCheck

MERCEDES 312 (1996)

Running costs, common problems, and reliability data based on 91 real MOT tests in 2024.

MOT Pass Rate

84%

Total Tests (2024)

91

Avg Mileage

120,870 mi

Est. Annual Cost

£1,900

Is the 1996 MERCEDES 312 reliable?

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.

At 28 years old, 84% of MERCEDES 312s from 1996 passed their MOT first time in 2024. That's based on 91 tests across the UK. The average mileage at this age is 120,870 miles.

How does the 1996 MERCEDES 312 compare?

Rank among all 1996 cars56th out of 252(top 22%)
Rank among all MERCEDES models948th out of 1,408(top 67%)
vs national average+2% (82% avg)
vs 1996 cars average+9% (75% avg)
vs MERCEDES average-3% (87% avg)

Mileage Analysis

The average 1996 MERCEDES 312 has 120,870 miles on the clock, which is below the expected 207,200 miles for a 28-year-old car. This suggests lighter use than average, which generally means less wear on major components.

How much does a 1996 MERCEDES 312 cost to run?

Fuel (Diesel, 2874cc)
£1,245
🏛️Road Tax
£250
🔧MOT Test
£55
🛠️Predicted Repairs
£350
Total per year£1,900
Per month£158/mo

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

MERCEDES 312 by Year

YearPass RateTestsAvg Mileage
199981%43150,478 mi
199872%82130,350 mi
199763%89148,765 mi
199684%91120,870 mi

Checking a specific MERCEDES 312?

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About the 1996 MERCEDES 312

The 1996 MERCEDES 312 is a large car with a 2874cc diesel engine. 91 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 22% of all 1996 cars for reliability.

With an average of 120,870 miles at 28 years old, MERCEDES 312 owners tend to use this car less than the typical driver.

1996 MERCEDES 312 Fuel Costs

The 2874cc 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 1996 MERCEDES 312?

Total estimated annual running cost is £1,900 158/month), broken down as £1245 fuel, £250 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 84% pass rate. Keeping on top of servicing will help avoid surprises.

MERCEDES 312 Reliability Trend

Older MERCEDES 312s tend to have better MOT pass rates than newer ones, with an average decline of 17 percentage points across model years.

Buying a Used 1996 MERCEDES 312

At 28 years old, the MERCEDES 312 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. Note: with only 91 tests in our data, these figures should be treated as indicative rather than definitive.

Alternatives to the 1996 MERCEDES 312

The MERCEDES 312 is actually the most reliable option among similar diesel large cars from this era. Here are comparable diesel cars with similar engines: