Mercedes 412 d
Reliability, running costs, and MOT data across 1 years from 58 real MOT tests.
Avg Pass Rate
72%
Total Tests
58
Best Year
1997 (72%)
Years Covered
1
About the Mercedes 412 d
The Mercedes 412 d has been tested 58 times in 2026 MOT data across 1 model years (1997 to 1997), with an average pass rate of 72%. That's 10 points below the national average of 82%, so check the year-by-year data carefully before buying. Available as diesel.
Best and Worst Years
The 1997 model is the most reliable with a 72% pass rate from 58 tests. The 1997 model has the lowest at 72%. With just a 0 point spread, the 412 d is consistently reliable regardless of year.
Compared to the Mercedes brand average of 87%, the 412 d is 15 points lower, placing it among the less reliable Mercedes models.
Estimated Running Costs
Higher due to low pass rate
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 1997 detailsHow reliable is the Mercedes 412 d?
Mercedes 412 d by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
| Year | Pass Rate | Tests | Avg Mileage | |
|---|---|---|---|---|
| 1997 | 72% | 58 | 132,411 mi |
Mercedes 412 d Guides & Articles
Petrol vs Diesel in 2026: Which Actually Costs Less to Own?
8 min read
Buying GuideCars That Lose Value Fastest: Models to Avoid for Depreciation
8 min read
Running CostsCheapest Cars to Run in 2026: Real Data from 19.8 Million MOT Tests
9 min read
Buying GuideFord Fiesta Common Problems (2026): What to Check Before Buying
13 min read
ReliabilityFord Puma Problems: 7 Issues Owners Report (2026)
13 min read
Checking a specific Mercedes 412 d?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.