What should I check when buying a 2020 Mercedes-Benz GLA (X156)?

Ensure the DCT gearbox fluid was changed at 60,000 miles; without it, shifts can become jerky.

What should I check when buying a 2020 Mercedes-Benz GLA (X156)?

Listen for a metallic rattle on cold starts, which can indicate timing chain stretch on petrol engines.

2020 Mercedes-Benz GLA (X156)

Browse our directory of 2020 Mercedes-Benz GLA (X156) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.

Registration Directory

Common Problems & Reliability

Serious

Moderate

Minor

The 2020 Mercedes-Benz GLA (X156) has 1 known issue. 1 are moderate concerns worth inspecting before purchase.

7G-DCT Gearbox Hesitation

Moderate

The dual-clutch transmission can be clunky or hesitant, especially when cold or in stop-start traffic.

Symptoms: Jerky low-speed shifts, Hesitation when pulling away

Est. repair cost: £300–£2,500

View detailed Mercedes-Benz GLA (X156) fault guide

Buying Tips for the 2020 Mercedes-Benz GLA (X156)

✓Ensure the DCT gearbox fluid was changed at 60,000 miles; without it, shifts can become jerky.
✓Listen for a metallic rattle on cold starts, which can indicate timing chain stretch on petrol engines.
✓Check the inner edges of the front tyres for excessive wear, indicating alignment issues common on UK roads.

Check Any Vehicle

Don't see your specific car listed? Enter any UK registration number for an instant vehicle history check — including MOT history, tax status, finance check, and write-off data.

Free Vehicle Check