MERCEDES 320 (1992)
Running costs, common problems, and reliability data based on 34 real MOT tests in 2024.
MOT Pass Rate
88%
Total Tests (2024)
34
Avg Mileage
138,038 mi
Est. Annual Cost
£2,247
Is the 1992 MERCEDES 320 reliable?
Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%.
At 32 years old, 88% of MERCEDES 320s from 1992 passed their MOT first time in 2024. That's based on 34 tests across the UK. The average mileage at this age is 138,038 miles.
How does the 1992 MERCEDES 320 compare?
Mileage Analysis
The average 1992 MERCEDES 320 has 138,038 miles on the clock, which is below the expected 236,800 miles for a 32-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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 1992 sits between the two at 88%.
How much does a 1992 MERCEDES 320 cost to run?
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
Checking a specific MERCEDES 320?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 1992 MERCEDES 320
The 1992 MERCEDES 320 is a performance with a 3200cc petrol engine. 34 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 16% of all 1992 cars for reliability.
With an average of 138,038 miles at 32 years old, MERCEDES 320 owners tend to use this car less than the typical driver.
1992 MERCEDES 320 Fuel Costs
The 3200cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 1992 MERCEDES 320?
Total estimated annual running cost is £2,247 (£187/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 88% 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 1992 MERCEDES 320
At 32 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%. Note: with only 34 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 1992 MERCEDES 320
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- PORSCHE 911 (1990) 91% pass rate (+3%) from 1,888 tests
- MERCEDES 300 (1992) 83% pass rate (-5%) from 1,096 tests
- PORSCHE 944 (1990) 85% pass rate (-3%) from 914 tests
- PORSCHE 968 (1994) 88% pass rate (same) from 642 tests