MERCEDES SPRINTER 314 PREMIUM CDI (2021)
Running costs, common problems, and reliability data based on 91 real MOT tests in 2024.
MOT Pass Rate
63%
Total Tests (2024)
91
Avg Mileage
54,380 mi
Est. Annual Cost
£2,190
Is the 2021 MERCEDES SPRINTER 314 PREMIUM CDI reliable?
Below average reliability. Budget extra for maintenance and repairs. That's 19 points below the national average of 82%. It falls below the MERCEDES brand average of 87%.
At 3 years old, 63% of MERCEDES SPRINTER 314 PREMIUM CDIs from 2021 passed their MOT first time in 2024. That's based on 91 tests across the UK. The average mileage at this age is 54,380 miles.
How does the 2021 MERCEDES SPRINTER 314 PREMIUM CDI compare?
Mileage Analysis
The average 2021 MERCEDES SPRINTER 314 PREMIUM CDI has 54,380 miles on the clock, which is well above the expected 22,200 miles for a 3-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
How much does a 2021 MERCEDES SPRINTER 314 PREMIUM CDI cost to run?
Higher than average due to low pass rate
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
Checking a specific MERCEDES SPRINTER 314 PREMIUM CDI?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 MERCEDES SPRINTER 314 PREMIUM CDI
The 2021 MERCEDES SPRINTER 314 PREMIUM CDI is a family car with a 2143cc diesel engine. 91 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It sits in the bottom 100% of 2021 cars for MOT pass rates.
With an average of 54,380 miles at 3 years old, MERCEDES SPRINTER 314 PREMIUM CDI owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2021 MERCEDES SPRINTER 314 PREMIUM CDI 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 SPRINTER 314 PREMIUM CDI?
Total estimated annual running cost is £2,190 (£183/month), broken down as £1245 fuel, £190 road tax, £55 MOT, and £700 predicted repairs. The higher repair estimate reflects the 63% MOT pass rate. Cars in this bracket tend to need work on suspension, brakes, and emissions components.
Buying a Used 2021 MERCEDES SPRINTER 314 PREMIUM CDI
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. Note: with only 91 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 MERCEDES SPRINTER 314 PREMIUM CDI
If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- FORD KUGA (2019) 91% pass rate (+28%) from 72,831 tests
- FORD TRANSIT CUSTOM (2019) 87% pass rate (+24%) from 59,814 tests
- BMW 118 (2020) 93% pass rate (+30%) from 38,549 tests
- VOLKSWAGEN T-ROC (2019) 94% pass rate (+31%) from 36,096 tests