Is the Mercedes Cla 180 amg line auto reliable?

The Mercedes Cla 180 amg line auto has an average MOT pass rate of 91% across 3 years, based on 536 tests in 2026. That's 9 points above the national average of 82%. The most reliable year is 2021 with a 94% pass rate.

Which year Mercedes Cla 180 amg line auto is best?

The 2021 Mercedes Cla 180 amg line auto has the highest MOT pass rate at 94%, while the 2019 model has the lowest at 88%. There's a 6 percentage point spread between the best and worst years.

Mercedes Cla 180 amg line auto

Reliability, running costs, and MOT data across 3 years from 536 real MOT tests.

Avg Pass Rate

91%

Total Tests

536

Best Year

2021 (94%)

Years Covered

About the Mercedes Cla 180 amg line auto

The Mercedes Cla 180 amg line auto has been tested 536 times in 2026 MOT data across 3 model years (2019 to 2021), with an average pass rate of 91%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol.

Best and Worst Years

The 2021 model is the most reliable with a 94% pass rate from 187 tests. The 2019 model has the lowest at 88%. The 6 point spread between years means reliability varies somewhat, but no year is dramatically different.

Reliability Trend

Newer MERCEDES CLA 180 AMG LINE AUTOs show better MOT pass rates than older ones, with an average improvement of 5 percentage points.

Mileage Across Years

The oldest model in our data (2019) averages 48,910 miles, while the newest (2021) averages 27,680 miles.

Compared to the Mercedes brand average of 87%, the Cla 180 amg line auto performs 4 points better, making it one of the more reliable options in the Mercedes range.