MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTO (2020)
Running costs, reliability data, and common problems from 269 real MOT tests.
Annual Cost
£1,777
£148/month
MOT Pass Rate
91%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 18-32
1991cc Petrol
Great Choice
91% pass rate, £1777/year to run. 9 points above average.
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Annual Running Costs
~36 mpg
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.
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Reliability Verdict
Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 6 years old, 91% of MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTOs from 2020 passed their MOT first time in 2026. That's based on 269 tests across the UK. The average mileage at this age is 37,466 miles.
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How Does It Compare?
Mileage Analysis
37,466
Average miles
44,400
Expected for age
The average 2020 MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTO has 37,466 miles on the clock, which is in line with the expected 44,400 miles for a 6-year-old car, suggesting normal everyday use.
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Best Year to Buy?
The most reliable year is the 2019 model with a 95% MOT pass rate, while the 2021 model has the lowest at 91%. The 2020 sits between the two at 91%.
MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTO by Year
Similar Cars to Consider
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About the 2020 MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTO
The 2020 MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTO is a family car with a 1991cc petrol engine. 269 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. Among all cars from 2020, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 37,466 miles at 6 years old, MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTO owners drive about as much as the UK average.
2020 MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTO Fuel Costs
The 1991cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2020 MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTO?
Total estimated annual running cost is £1,777 (£148/month), broken down as £1327 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTO Reliability Trend
Older MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTOs tend to have better MOT pass rates than newer ones, with an average decline of 4 percentage points across model years.
Buying a Used 2020 MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTO
At 6 years old, the MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTO 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 2019 model has the highest pass rate at 95%.
Common Issues to Watch For
Based on the 2020 MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTO's fuel type, age, and engine size, these are the most likely problem areas to check.
Timing Chain / Belt
Watch outAt 6 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.
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 2020 MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTO stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| MERCEDES AMG CLA 35 PREMIUM 4MATIC AUTO(2020) | 91% | £1327 | £195 | Grp 18-32 | £1777 |
| VOLKSWAGEN GOLF(2019) | 92% | £1137 | £190 | Grp 12-25 | £1582-£195 |
| FORD KUGA(2018) | 90% | £1137 | £190 | Grp 12-25 | £1582-£195 |
| MINI COOPER(2018) | 92% | £1137 | £190 | Grp 12-25 | £1582-£195 |
| NISSAN QASHQAI(2020) | 93% | £1137 | £190 | Grp 12-25 | £1582-£195 |
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
VOLKSWAGEN GOLF
2019 · 1498cc Petrol
FORD KUGA
2018 · 1499cc Petrol
MINI COOPER
2018 · 1499cc Petrol
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