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Mercedes AMG CLA 45 S 4MATIC+ Auto

Reliability, estimated running costs, and MOT data across 2 model years from 151 MOT tests in 2024.

Avg Pass Rate

91%

Total Tests

151

Model Years

2020 to 2021

Years Covered

2

About the Mercedes AMG CLA 45 S 4MATIC+ Auto

The Mercedes AMG CLA 45 S 4MATIC+ Auto was MOT tested 151 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 2021), with an average pass rate of 91%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.

Mileage Across Years

The oldest model in our data (2020) averages 36,877 miles, while the newest (2021) averages 26,754 miles.

Compared to the Mercedes brand average of 87%, the AMG CLA 45 S 4MATIC+ Auto performs 4 points better, making it one of the more reliable options in the Mercedes range.

Estimated Running Costs

Fuel (Petrol, 1991cc)
£1,631
Road Tax
£200
MOT Test
£55
Predicted Repairs
£200
Total per year£2,086
Per month£174/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Mercedes AMG CLA 45 S 4MATIC+ Auto?

vs average of all models+9% (82% avg)
vs Mercedes brand average+4% (87% avg)

Mercedes AMG CLA 45 S 4MATIC+ Auto by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
202193%6926,754 mi
202089%8236,877 mi

Questions about the Mercedes AMG CLA 45 S 4MATIC+ Auto

Is the Mercedes AMG CLA 45 S 4MATIC+ Auto reliable?

Across its 2 model years in our data (2020 to 2021), the Mercedes AMG CLA 45 S 4MATIC+ Auto averages a 91% MOT pass rate, from 151 tests (DVSA MOT data for tests in 2024, retests included). That's 9 points above the average of 82% across all models in the same data.

Mercedes AMG CLA 45 S 4MATIC+ Auto Guides & Articles

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