MERCEDES HYMER (2021)
Running costs, common problems, and reliability data based on 84 real MOT tests in 2024.
MOT Pass Rate
96%
Total Tests (2024)
84
Avg Mileage
15,168 mi
Est. Annual Cost
£1,690
Is the 2021 MERCEDES HYMER reliable?
Excellent reliability. Very few MOT failures. That's 14 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 3 years old, 96% of MERCEDES HYMERs from 2021 passed their MOT first time in 2024. That's based on 84 tests across the UK. The average mileage at this age is 15,168 miles.
How does the 2021 MERCEDES HYMER compare?
Mileage Analysis
The average 2021 MERCEDES HYMER has 15,168 miles on the clock, which is below the expected 22,200 miles for a 3-year-old car. This suggests lighter use than average, which generally means less wear on major components.
Best year to buy a MERCEDES HYMER?
The most reliable year is the 2020 model with a 97% MOT pass rate, while the 1993 model has the lowest at 70%. The 2021 sits between the two at 96%.
How much does a 2021 MERCEDES HYMER 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 HYMER by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2021 | 96% | 84 | 15,168 mi |
| 2020 | 97% | 114 | 15,102 mi |
| 2019 | 93% | 131 | 17,256 mi |
| 2018 | 93% | 124 | 24,392 mi |
| 2017 | 93% | 115 | 24,882 mi |
| 2016 | 93% | 56 | 26,923 mi |
| 2015 | 100% | 32 | 49,884 mi |
| 2006 | 84% | 44 | 72,538 mi |
| 2004 | 81% | 37 | 86,573 mi |
| 2003 | 90% | 49 | 67,183 mi |
| 2002 | 82% | 44 | 72,456 mi |
| 2001 | 78% | 45 | 84,193 mi |
| 1998 | 83% | 40 | 78,746 mi |
| 1994 | 73% | 45 | 128,584 mi |
| 1993 | 70% | 104 | 158,587 mi |
| 1992 | 74% | 34 | 133,318 mi |
| 1990 | 71% | 35 | 107,692 mi |
Checking a specific MERCEDES HYMER?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 MERCEDES HYMER
The 2021 MERCEDES HYMER is a family car with a 2143cc diesel engine. 84 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 20% of all 2021 cars for reliability.
With an average of 15,168 miles at 3 years old, MERCEDES HYMER owners tend to use this car less than the typical driver.
2021 MERCEDES HYMER Fuel Costs
The 2143cc 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).
What does it cost to own a 2021 MERCEDES HYMER?
Total estimated annual running cost is £1,690 (£141/month), broken down as £1245 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 96% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES HYMER Reliability Trend
Newer MERCEDES HYMERs show better MOT pass rates than older ones, with an average improvement of 9 percentage points.
Buying a Used 2021 MERCEDES HYMER
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. If you're flexible on year, the 2020 model has the highest pass rate at 97%. Note: with only 84 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 MERCEDES HYMER
The MERCEDES HYMER is actually the most reliable option among similar diesel family cars from this era. Here are comparable diesel cars with similar engines:
- FORD KUGA (2019) 91% pass rate (-5%) from 72,831 tests
- FORD TRANSIT CUSTOM (2019) 87% pass rate (-9%) from 59,814 tests
- BMW 118 (2020) 93% pass rate (-3%) from 38,549 tests
- VOLKSWAGEN T-ROC (2019) 94% pass rate (-2%) from 36,096 tests