CarCostCheck

MERCEDES MOTORHOME (2004)

Running costs, reliability data, and common problems from 104 real MOT tests.

Annual Cost

£2,045

£170/month

MOT Pass Rate

85%

Good

Road Tax

£395

Based on CC/year

Insurance

Grp 25-38

2148cc Diesel

Solid Option

85% pass rate, £2045/year to run. Close to the national average.

Buying this car? Check for finance, write-offs & theft
£4.99

Check a specific MERCEDES MOTORHOME

Enter a reg plate for full MOT history, mileage check, health score, running costs, and reliability data. Free, instant, no signup.

GB

Free instant check using official DVSA and DVLA data

Diesel2148cc22 years old104 tests70k miles avg

Annual Running Costs

Fuel (Diesel, 2148cc)

~40 mpg

£1,245
Road Tax

Based on 2148cc

£395
MOT Test
£55
Predicted Repairs
£350
Total per year£2,045
Per month£170/mo
Per week£39/wk

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.

🛡️

Get an insurance quote for this MERCEDES MOTORHOME

Compare quotes and find the best deal

Reliability Verdict

85% MOT pass rate(Good)
0%National avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.

At 22 years old, 85% of MERCEDES MOTORHOMEs from 2004 passed their MOT first time in 2026. That's based on 104 tests across the UK. The average mileage at this age is 70,330 miles.

Got a MERCEDES MOTORHOME you're looking at?

Enter the reg plate to check its specific MOT history, mileage, and health score.

GB

Free instant check using official DVSA and DVLA data

How Does It Compare?

Rank among 2004 cars77th of 491(top 16%)
Rank among MERCEDES models912th of 1,408(top 65%)
vs national average+3%(82% avg)
vs 2004 cars average+13%(72% avg)
vs MERCEDES average-2%(87% avg)

Mileage Analysis

70,330

Average miles

vs

162,800

Expected for age

The average 2004 MERCEDES MOTORHOME has 70,330 miles on the clock, which is significantly below the expected 162,800 miles for a 22-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

Looking at a specific MERCEDES MOTORHOME?

Enter its reg plate for a free check with full MOT history, mileage verification, and predicted costs.

GB

Free instant check using official DVSA and DVLA data

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 2004 sits between the two at 85%.

MERCEDES MOTORHOME by Year

YearPass RateTestsAvg Mileage
201172%3261,005 mi
200971%42108,468 mi
200881%9187,572 mi
200795%15574,554 mi
200684%12264,969 mi
200586%8358,481 mi
200485%10470,330 mi
200382%6685,052 mi
200280%64109,471 mi
200169%6888,872 mi
200076%5187,478 mi
199984%4987,617 mi
199894%33149,288 mi
199788%33106,455 mi
199521%34103,323 mi
199263%32114,043 mi
199084%43111,634 mi

Similar Cars to Consider

Check a Specific Mercedes Motorhome

Enter a reg plate to get the full MOT history, health score, and mileage verification.

Upgrade to Premium (£4.99) for stolen, finance, and write-off checks.

GB

Free instant check using official DVSA and DVLA data

About the 2004 MERCEDES MOTORHOME

The 2004 MERCEDES MOTORHOME is a family car with a 2148cc diesel engine. 104 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It ranks in the top 16% of all 2004 cars for reliability.

With an average of 70,330 miles at 22 years old, MERCEDES MOTORHOME 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.

2004 MERCEDES MOTORHOME Fuel Costs

The 2148cc 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 2004 MERCEDES MOTORHOME?

Total estimated annual running cost is £2,045 170/month), broken down as £1245 fuel, £395 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 85% 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 2004 MERCEDES MOTORHOME

At 22 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%.

Common Issues to Watch For

Based on the 2004 MERCEDES MOTORHOME's fuel type, age, and engine size, these are the most likely problem areas to check.

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Watch out

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Dual Mass Flywheel

Watch out

Larger 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 out

At 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 out

Rubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.

Service History

Low risk

Always 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 2004 MERCEDES MOTORHOME stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
MERCEDES MOTORHOME(2004)85%£1245£395Grp 25-38£2045
VOLKSWAGEN GOLF(2006)72%£1037£135Grp 18-32£1727-£318
HONDA CIVIC(2006)71%£1245£250Grp 25-38£2050+£5
VOLKSWAGEN TRANSPORTER(2006)73%£1245£250Grp 25-38£2050+£5
LAND ROVER DISCOVERY(2006)78%£1245£250Grp 25-38£2050+£5

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.

Related Guides

In-depth articles relevant to the Mercedes Motorhome.

Check a specific MERCEDES MOTORHOME

Enter the reg to see its MOT history, mileage check, and predicted costs.

GB

Free instant check using official DVSA and DVLA data

Premium History Check

Buying a MERCEDES MOTORHOME? Our premium check covers:

  • Stolen check (PNC)
  • Outstanding finance
  • Write-off history (Cat A/B/N/S)
  • Previous owners count
Just £4.99 per check

Competitors charge £10-£20 for the same data

Share this page

X
GB