What is the 7G-DCT Gearbox Hesitation problem on a 2020 Mercedes-Benz GLA (X156)?

Common Problems with the
2020 Mercedes-Benz GLA (X156)

We've identified 1 known issue that can affect the 2020 Mercedes-Benz GLA (X156). None are considered critical, but they're worth knowing about before you buy.

Known Issues

Serious

Moderate

Minor

The 2020 period has an average number of reported issues compared to other Mercedes-Benz GLA (X156) year periods.

All Known Issues

7G-DCT Gearbox Hesitation

ModerateGearbox & Transmission

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

Most affected: GLA 200d, GLA 220d, GLA 250

Estimated cost: £300–£2,500Affects: 2014–2020Often appears around: 50k-80k miles

Typical symptoms

•Jerky low-speed shifts
•Hesitation when pulling away

What to inspect before you buy

✓Test drive from cold
✓Check service history for gearbox oil changes

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.

2014–2019 Mercedes-Benz GLA (X156)