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MERCEDES UNCLASSIFIED (1990)

Running costs, common problems, and reliability data based on 58 real MOT tests in 2024.

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MOT Pass Rate

83%

Total Tests (2024)

58

Avg Mileage

95,507 mi

Est. Annual Cost

£1,900

Is the 1990 MERCEDES UNCLASSIFIED reliable?

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the MERCEDES brand average of 87%.

At 34 years old, 83% of MERCEDES UNCLASSIFIEDs from 1990 passed their MOT first time in 2024. That's based on 58 tests across the UK. The average mileage at this age is 95,507 miles.

How does the 1990 MERCEDES UNCLASSIFIED compare?

Rank among all 1990 cars73th out of 190(top 38%)
Rank among all MERCEDES models983th out of 1,408(top 70%)
vs national average+1% (82% avg)
vs 1990 cars average+4% (79% avg)
vs MERCEDES average-4% (87% avg)

Mileage Analysis

The average 1990 MERCEDES UNCLASSIFIED has 95,507 miles on the clock, which is significantly below the expected 251,600 miles for a 34-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

Best year to buy a MERCEDES UNCLASSIFIED?

The most reliable year is the 2021 model with a 96% MOT pass rate, while the 1997 model has the lowest at 66%. The 1990 sits between the two at 83%.

How much does a 1990 MERCEDES UNCLASSIFIED cost to run?

⛽Fuel (Diesel, 2299cc)
£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 UNCLASSIFIED by Year

YearPass RateTestsAvg Mileage
202196%27014,108 mi
202093%23717,059 mi
201995%17625,080 mi
201892%20240,291 mi
201791%20039,620 mi
201687%32645,907 mi
201591%25272,531 mi
201486%28983,046 mi
201389%24552,132 mi
201289%18566,863 mi
201190%12663,066 mi
201092%9894,655 mi
200979%174100,957 mi
200879%354111,482 mi
200781%259105,351 mi
200681%24095,112 mi
200579%273101,492 mi
200479%29891,119 mi
200373%178102,840 mi
200284%214129,941 mi
200173%107121,123 mi
200073%195116,472 mi
199978%223144,511 mi
199881%155139,571 mi
199766%65104,116 mi
199666%101175,170 mi
199578%45212,804 mi
199474%8685,110 mi
199389%47159,142 mi
199260%40117,020 mi
199173%33102,932 mi
199083%5895,507 mi

Checking a specific MERCEDES UNCLASSIFIED?

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About the 1990 MERCEDES UNCLASSIFIED

The 1990 MERCEDES UNCLASSIFIED is a large car with a 2299cc diesel engine. 58 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. Among all cars from 1990, the average MOT pass rate is 79%, and this model beats that benchmark.

With an average of 95,507 miles at 34 years old, MERCEDES UNCLASSIFIED owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.

1990 MERCEDES UNCLASSIFIED Fuel Costs

The 2299cc diesel engine offers a reasonable balance between performance and economy. 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 1990 MERCEDES UNCLASSIFIED?

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 83% pass rate. Keeping on top of servicing will help avoid surprises.

MERCEDES UNCLASSIFIED Reliability Trend

Newer MERCEDES UNCLASSIFIEDs show better MOT pass rates than older ones, with an average improvement of 13 percentage points.

Buying a Used 1990 MERCEDES UNCLASSIFIED

At 34 years old, the MERCEDES UNCLASSIFIED 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 2021 model has the highest pass rate at 96%. Note: with only 58 tests in our data, these figures should be treated as indicative rather than definitive.

Alternatives to the 1990 MERCEDES UNCLASSIFIED

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