MERCEDES EQV 300 SPORT PREMIUM (2021)
Running costs, reliability data, and common problems from 918 real MOT tests.
Annual Cost
£950
£79/month
MOT Pass Rate
90%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 1-8
0cc Electric
Great Choice
90% pass rate, £950/year to run. 8 points above average.
Check a specific MERCEDES EQV 300 SPORT PREMIUM
Enter a reg plate for full MOT history, mileage check, health score, running costs, and reliability data. Free, instant, no signup.
Annual Running Costs
Flat rate (post-2017)
Low estimate due to excellent reliability
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 EQV 300 SPORT PREMIUM
Compare quotes and find the best deal
Reliability Verdict
Excellent reliability. Very few MOT failures. That's 8 points above the national average of 82%.
At 5 years old, 90% of MERCEDES EQV 300 SPORT PREMIUMs from 2021 passed their MOT first time in 2026. That's based on 918 tests across the UK. The average mileage at this age is 40,853 miles.
Got a MERCEDES EQV 300 SPORT PREMIUM you're looking at?
Enter the reg plate to check its specific MOT history, mileage, and health score.
How Does It Compare?
Mileage Analysis
40,853
Average miles
37,000
Expected for age
The average 2021 MERCEDES EQV 300 SPORT PREMIUM has 40,853 miles on the clock, which is in line with the expected 37,000 miles for a 5-year-old car, suggesting normal everyday use.
Looking at a specific MERCEDES EQV 300 SPORT PREMIUM?
Enter its reg plate for a free check with full MOT history, mileage verification, and predicted costs.
Best Year to Buy?
The most reliable year is the 2020 model with a 92% MOT pass rate, while the 2022 model has the lowest at 83%. The 2021 sits between the two at 90%.
MERCEDES EQV 300 SPORT PREMIUM by Year
Similar Cars to Consider
Check a Specific Mercedes Eqv 300 sport premium
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.
About the 2021 MERCEDES EQV 300 SPORT PREMIUM
The 2021 MERCEDES EQV 300 SPORT PREMIUM is a electric with a 0cc electric engine. 918 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. Among all cars from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 40,853 miles at 5 years old, MERCEDES EQV 300 SPORT PREMIUM owners drive about as much as the UK average.
What does it cost to own a 2021 MERCEDES EQV 300 SPORT PREMIUM?
Total estimated annual running cost is £950 (£79/month), broken down as £500 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES EQV 300 SPORT PREMIUM Reliability Trend
Older MERCEDES EQV 300 SPORT PREMIUMs tend to have better MOT pass rates than newer ones, with an average decline of 6 percentage points across model years.
Buying a Used 2021 MERCEDES EQV 300 SPORT PREMIUM
At 5 years old, the MERCEDES EQV 300 SPORT PREMIUM offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2020 model has the highest pass rate at 92%.
Common Issues to Watch For
Based on the 2021 MERCEDES EQV 300 SPORT PREMIUM's fuel type, age, and engine size, these are the most likely problem areas to check.
Battery Degradation
Medium riskAfter 5 years, expect some battery capacity loss. Check the battery health report for state of health (SoH). Below 80% significantly reduces range.
Charging Port
Medium riskCharging connectors and ports can develop issues from regular use. Check both AC and DC charging work correctly before purchasing.
Software Updates
Medium riskOlder EVs may miss out on manufacturer software updates that improve range and features. Check the infotainment system is up to date.
12V Auxiliary Battery
Medium riskEVs still have a standard 12V battery for accessories. These drain faster than in petrol cars and can leave you stranded if flat. Replacement is £100-£200.
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 2021 MERCEDES EQV 300 SPORT PREMIUM stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| MERCEDES EQV 300 SPORT PREMIUM(2021) | 90% | £500 | £195 | Grp 1-8 | £950 |
| TESLA MODEL 3 LONG RANGE AWD(2021) | 88% | £500 | £190 | Grp 1-8 | £1095+£145 |
| JAGUAR I-PACE(2020) | 96% | £500 | £190 | Grp 1-8 | £945-£5 |
| TESLA MODEL 3 STANDARD RANGE +(2021) | 88% | £500 | £190 | Grp 1-8 | £1095+£145 |
| TESLA MODEL 3 PERFORMANCE AWD(2020) | 87% | £500 | £190 | Grp 1-8 | £1095+£145 |
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
2019 · 1461cc Diesel
MERCEDES C
2017 · 1991cc Hybrid
MERCEDES A-CLASS
2017 · 1461cc Diesel
TESLA MODEL 3 LONG RANGE AWD
2021 · 0cc Electric
JAGUAR I-PACE
2020 · 0cc Electric
TESLA MODEL 3 STANDARD RANGE +
2021 · 0cc Electric
Related Guides
In-depth articles relevant to the Mercedes Eqv 300 sport premium.
Cars That Lose Value Fastest: Models to Avoid for Depreciation
8 min read
Running CostsCheapest Cars to Run in 2026: Real Data from 19.8 Million MOT Tests
9 min read
Reliability20 Most Reliable Used Cars UK 2026: Real MOT Pass Rate Rankings
10 min read
Running CostsElectric Car Running Costs UK (2026): The Real Numbers
14 min read
Running CostsElectric vs Petrol Running Costs UK 2026: EV is £1,247 Cheaper/yr
15 min read
Check a specific MERCEDES EQV 300 SPORT PREMIUM
Enter the reg to see its MOT history, mileage check, and predicted costs.
Premium History Check
Buying a MERCEDES EQV 300 SPORT PREMIUM? Our premium check covers:
- Stolen check (PNC)
- Outstanding finance
- Write-off history (Cat A/B/N/S)
- Previous owners count
Competitors charge £10-£20 for the same data