MERCEDES 410 D (1991)
Running costs, reliability data, and common problems from 33 real MOT tests.
Annual Cost
£2,195
£183/month
MOT Pass Rate
76%
Average
Road Tax
£395
Based on CC/year
Insurance
Grp 30-42
2874cc Diesel
Check Carefully
76% pass rate, £2195/year to run. 6 points below average.
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Annual Running Costs
~40 mpg
Based on 2874cc
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
Average reliability. Expect some repairs as it ages. That's 6 points below the national average of 82%. It falls below the MERCEDES brand average of 87%.
At 35 years old, 76% of MERCEDES 410 Ds from 1991 passed their MOT first time in 2026. That's based on 33 tests across the UK. The average mileage at this age is 151,394 miles.
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Mileage Analysis
151,394
Average miles
259,000
Expected for age
The average 1991 MERCEDES 410 D has 151,394 miles on the clock, which is below the expected 259,000 miles for a 35-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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About the 1991 MERCEDES 410 D
The 1991 MERCEDES 410 D is a large car with a 2874cc diesel engine. 33 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 1991, the average MOT pass rate is 78%, and this model falls short of that benchmark.
With an average of 151,394 miles at 35 years old, MERCEDES 410 D owners tend to use this car less than the typical driver.
1991 MERCEDES 410 D 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 1991 MERCEDES 410 D?
Total estimated annual running cost is £2,195 (£183/month), broken down as £1245 fuel, £395 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 76% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 1991 MERCEDES 410 D
At 35 years old, the MERCEDES 410 D 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 33 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 1991 MERCEDES 410 D's fuel type, age, and engine size, these are the most likely problem areas to check.
DPF (Diesel Particulate Filter)
Watch outShort journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.
Turbo Wear
Watch outDiesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.
EGR Valve
Watch outExhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.
Dual Mass Flywheel
Watch outLarger diesel engines put extra strain on the dual mass flywheel. Listen for rattling at idle. Replacement with clutch is £800-£1,500.
Rust and Corrosion
Watch outAt 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.
Suspension Bushings
Watch outRubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.
Clutch Wear
Watch outWith an average of 151k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.
Brake Discs and Pads
Medium riskHigh-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.
Engine Mounts
Medium riskWorn engine mounts cause excessive vibration and movement. Replacement costs £150-£400 per mount. Check for vibration at idle with the bonnet open.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 1991 MERCEDES 410 D stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| MERCEDES 410 D(1991) | 76% | £1245 | £395 | Grp 30-42 | £2195 |
| LAND ROVER DEFENDER(1991) | 76% | £1245 | £250 | Grp 25-38 | £2050-£145 |
| TALBOT EXPRESS(1993) | 66% | £1245 | £250 | Grp 25-38 | £2250+£55 |
| MERCEDES 300(1991) | 81% | £1245 | £250 | Grp 30-42 | £1900-£295 |
| FIAT DUCATO(1992) | 68% | £1245 | £250 | Grp 25-38 | £2250+£55 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
Related Mercedes Models
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MERCEDES 300
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