Mercedes EQC 400 Sport 4MATIC (2021)
Estimated running costs and MOT pass rates from 442 MOT tests in 2024.
Annual Cost
£1,160
£97/month
MOT Pass Rate
86%
Good
Road Tax
£200
Standard rate/year
Est. Insurance
n/a
Electric
Solid Option
86% pass rate, £1,160/year to run. Close to the average across all models.
Check a specific Mercedes EQC 400 Sport 4MATIC
Enter a reg plate for full MOT history, mileage check, health score, running costs, and reliability data. Free, instant, no signup.
Annual Running Costs
Home charging at about 7.5p a mile
Standard rate (from April 2017)
Estimates based on 7,400 miles/year (UK average), home charging at about 7.5p a mile, GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included. Cars registered from April 2017 pay the £200 standard rate, plus £440 a year for five years (from the second year) if they cost over £40,000 new (over £50,000 for electric cars).
Reliability Verdict
Good reliability. Occasional issues but generally solid. That's close to the average of 82% across all models in our data.
86% of MOT tests on Mercedes EQC 400 Sport 4MATICs from 2021 ended in a pass in 2024, when they were about 3 years old. That's based on 442 tests across the UK, retests included. The average mileage recorded at those tests was 33,828 miles.
Got a Mercedes EQC 400 Sport 4MATIC you're looking at?
Enter the reg plate to check its specific MOT history, mileage, and health score.
How Does It Compare?
Mileage Analysis
33,828
Average miles
22,200
Expected for age
The average 2021 Mercedes EQC 400 Sport 4MATIC had 33,828 miles on the clock at its 2024 MOT, 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.
Looking at a specific Mercedes EQC 400 Sport 4MATIC?
Enter its reg plate for a free check with full MOT history, mileage verification, and predicted costs.
Best Year to Buy?
Of the years with at least 100 tests, the 2020 model has the highest MOT pass rate at 93%, while the 2021 model has the lowest at 86%. Consider a different year if reliability is a priority. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Mercedes EQC 400 Sport 4MATIC by Year
Similar Cars to Consider
Check a Specific Mercedes EQC 400 Sport 4MATIC
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 EQC 400 Sport 4MATIC
The 2021 Mercedes EQC 400 Sport 4MATIC is an electric car. Our records list it as electric. 442 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. It sits in the bottom 10% of 2021 models for MOT pass rate.
With an average of 33,828 miles recorded at its 2024 MOT tests, Mercedes EQC 400 Sport 4MATIC owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
What does it cost to own a 2021 Mercedes EQC 400 Sport 4MATIC?
Total estimated annual running cost is £1,160 (£97/month), broken down as £555 electricity, £200 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 86% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2021 Mercedes EQC 400 Sport 4MATIC
At 5 years old, the Mercedes EQC 400 Sport 4MATIC offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Common Issues to Watch For
These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.
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 EQC 400 Sport 4MATIC stacks up against similar cars for estimated annual running costs, insurance group, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Est. Ins. Group | Total/yr |
|---|---|---|---|---|---|
| Mercedes EQC 400 Sport 4MATIC(2021) | 86% | £555 | £200 | n/a | £1,160 |
| Tesla Model 3 Long Range Awd(2021) | 88% | £555 | £200 | n/a | £1,160same |
| Jaguar I-Pace(2020) | 96% | £555 | £200 | n/a | £1,010-£150 |
| Tesla Model 3 Standard Range +(2021) | 88% | £555 | £200 | n/a | £1,160same |
| Nissan Leaf(2021) | 94% | £555 | £200 | n/a | £1,010-£150 |
Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.
Questions about the 2021 Mercedes EQC 400 Sport 4MATIC
Is the 2021 Mercedes EQC 400 Sport 4MATIC reliable?
Good reliability. Occasional issues but generally solid. 86% of MOT tests on 2021 Mercedes EQC 400 Sport 4MATICs ended in a pass, from 442 tests (DVSA MOT data for tests in 2024, retests included). That's 4 points above the average of 82% across all models in the same data.
How much does a 2021 Mercedes EQC 400 Sport 4MATIC cost to run?
Our estimate is £1,160 a year (£97 a month): £555 electricity, £200 road tax, £55 MOT and £350 predicted repairs, based on 7,400 miles a year. Insurance is not included.
What is the MOT pass rate for a 2021 Mercedes EQC 400 Sport 4MATIC?
86% of 442 MOT tests on the 2021 Mercedes EQC 400 Sport 4MATIC ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 3007th of 3,336 models first registered in 2021 (bottom 10%).
Which year Mercedes EQC 400 Sport 4MATIC has the best MOT pass rate?
Of the years with at least 100 tests, the 2020 Mercedes EQC 400 Sport 4MATIC has the highest MOT pass rate at 93% and the 2021 the lowest at 86%. Newer cars usually pass more often simply because they are younger and have done fewer miles.
What is the average mileage for a 2021 Mercedes EQC 400 Sport 4MATIC?
The average mileage recorded at MOT tests on the 2021 Mercedes EQC 400 Sport 4MATIC is 33,828 miles, 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.
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 · Electric
Jaguar I-Pace
2020 · Electric
Tesla Model 3 Standard Range +
2021 · Electric
Related Guides
In-depth articles relevant to the Mercedes EQC 400 Sport 4MATIC.
Cars That Lose Value Fastest: Models to Avoid for Depreciation
8 min read
Running CostsCheapest Cars to Run in 2026: Running Costs From DVSA MOT Data
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: Which Is Cheaper?
15 min read
Check a specific Mercedes EQC 400 Sport 4MATIC
Enter the reg to see its MOT history, mileage check, and predicted costs.
Premium History Check
Buying a Mercedes EQC 400 Sport 4MATIC? Our premium check covers:
- Stolen check (PNC)
- Outstanding finance
- Write-off history (Cat A/B/N/S)
- Previous owners count
With outstanding finance included