MERCEDES MOTORHOME (2009)
Running costs, reliability data, and common problems from 42 real MOT tests.
Annual Cost
£2,195
£183/month
MOT Pass Rate
71%
Average
Road Tax
£395
Based on CC/year
Insurance
Grp 30-42
3000cc Diesel
Check Carefully
71% pass rate, £2195/year to run. 11 points below average.
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Annual Running Costs
~40 mpg
Based on 3000cc
Higher estimate due to low pass rate
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 11 points below the national average of 82%. It falls below the MERCEDES brand average of 87%.
At 17 years old, 71% of MERCEDES MOTORHOMEs from 2009 passed their MOT first time in 2026. That's based on 42 tests across the UK. The average mileage at this age is 108,468 miles.
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How Does It Compare?
Mileage Analysis
108,468
Average miles
125,800
Expected for age
The average 2009 MERCEDES MOTORHOME has 108,468 miles on the clock, which is in line with the expected 125,800 miles for a 17-year-old car, suggesting normal everyday use.
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Best Year to Buy?
The most reliable year is the 2007 model with a 95% MOT pass rate, while the 2001 model has the lowest at 69%. The 2009 sits between the two at 71%.
MERCEDES MOTORHOME by Year
| Year | Pass Rate | Tests | Avg Mileage | |
|---|---|---|---|---|
| 2011 | 72% | 32 | 61,005 mi | |
| 2009 | 71% | 42 | 108,468 mi | |
| 2008 | 81% | 91 | 87,572 mi | |
| 2007 | 95% | 155 | 74,554 mi | |
| 2006 | 84% | 122 | 64,969 mi | |
| 2005 | 86% | 83 | 58,481 mi | |
| 2004 | 85% | 104 | 70,330 mi | |
| 2003 | 82% | 66 | 85,052 mi | |
| 2002 | 80% | 64 | 109,471 mi | |
| 2001 | 69% | 68 | 88,872 mi | |
| 2000 | 76% | 51 | 87,478 mi | |
| 1999 | 84% | 49 | 87,617 mi | |
| 1998 | 94% | 33 | 149,288 mi | |
| 1997 | 88% | 33 | 106,455 mi | |
| 1995 | 21% | 34 | 103,323 mi | |
| 1992 | 63% | 32 | 114,043 mi | |
| 1990 | 84% | 43 | 111,634 mi |
Similar Cars to Consider
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About the 2009 MERCEDES MOTORHOME
The 2009 MERCEDES MOTORHOME is a large car with a 3000cc diesel engine. 42 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 81% of 2009 cars for MOT pass rates.
With an average of 108,468 miles at 17 years old, MERCEDES MOTORHOME owners drive about as much as the UK average.
2009 MERCEDES MOTORHOME Fuel Costs
The 3000cc 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 2009 MERCEDES MOTORHOME?
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 71% pass rate. Keeping on top of servicing will help avoid surprises.
MERCEDES MOTORHOME Reliability Trend
Newer MERCEDES MOTORHOMEs show better MOT pass rates than older ones, with an average improvement of 9 percentage points.
Buying a Used 2009 MERCEDES MOTORHOME
At 17 years old, the MERCEDES MOTORHOME 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 2007 model has the highest pass rate at 95%. Note: with only 42 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 2009 MERCEDES MOTORHOME'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 108k 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.
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 2009 MERCEDES MOTORHOME stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| MERCEDES MOTORHOME(2009) | 71% | £1245 | £395 | Grp 30-42 | £2195 |
| BMW 3 SERIES(2008) | 80% | £1245 | £250 | Grp 30-42 | £1900-£295 |
| AUDI A4(2011) | 82% | £1245 | £250 | Grp 30-42 | £1900-£295 |
| AUDI A5(2010) | 82% | £1245 | £250 | Grp 30-42 | £1900-£295 |
| JAGUAR XF(2010) | 80% | £1245 | £250 | Grp 30-42 | £1900-£295 |
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
Explore other Mercedes cars or similar models in the same category.
MERCEDES A
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MERCEDES C
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MERCEDES A-CLASS
2017 · 1461cc Diesel
BMW 3 SERIES
2008 · 2926cc Diesel
AUDI A4
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AUDI A5
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