MERCEDES VIANO (2004)
Running costs, common problems, and reliability data based on 578 real MOT tests in 2024.
MOT Pass Rate
77%
Total Tests (2024)
578
Avg Mileage
107,888 mi
Est. Annual Cost
£2,397
Is the 2004 MERCEDES VIANO reliable?
Average reliability. Expect some repairs as it ages. That's close to the national average of 82%. It falls below the MERCEDES brand average of 87%.
At 20 years old, 77% of MERCEDES VIANOs from 2004 passed their MOT first time in 2024. That's based on 578 tests across the UK. The average mileage at this age is 107,888 miles.
How does the 2004 MERCEDES VIANO compare?
Mileage Analysis
The average 2004 MERCEDES VIANO has 107,888 miles on the clock, which is below the expected 148,000 miles for a 20-year-old car. This suggests lighter use than average, which generally means less wear on major components.
Best year to buy a MERCEDES VIANO?
The most reliable year is the 2014 model with a 83% MOT pass rate, while the 2006 model has the lowest at 74%. The 2004 sits between the two at 77%.
How much does a 2004 MERCEDES VIANO 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 VIANO by Year
Checking a specific MERCEDES VIANO?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2004 MERCEDES VIANO
The 2004 MERCEDES VIANO is a performance with a 3500cc petrol engine. 578 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2004, the average MOT pass rate is 72%, and this model beats that benchmark.
With an average of 107,888 miles at 20 years old, MERCEDES VIANO owners tend to use this car less than the typical driver.
2004 MERCEDES VIANO Fuel Costs
The 3500cc 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 2004 MERCEDES VIANO?
Total estimated annual running cost is £2,397 (£200/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 77% pass rate. Keeping on top of servicing will help avoid surprises.
MERCEDES VIANO Reliability Trend
Newer MERCEDES VIANOs show better MOT pass rates than older ones, with an average improvement of 5 percentage points.
Buying a Used 2004 MERCEDES VIANO
At 20 years old, the MERCEDES VIANO 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 2014 model has the highest pass rate at 83%.
Alternatives to the 2004 MERCEDES VIANO
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- LAND ROVER FREELANDER (2006) 70% pass rate (-7%) from 12,591 tests
- MERCEDES E (2004) 78% pass rate (+1%) from 8,333 tests
- PORSCHE BOXSTER (2005) 86% pass rate (+9%) from 6,992 tests
- PORSCHE 911 (2006) 90% pass rate (+13%) from 6,184 tests