Common Problems with the
2020–2023 Mercedes-Benz A-Class (W177)

We've identified 2 known issues that can affect the 2020–2023 Mercedes-Benz A-Class (W177). None are considered critical, but they're worth knowing about before you buy.

Known Issues

Serious

Moderate

Minor

The 2020–2023 period has 1 more issue than the Mercedes-Benz A-Class (W177) average across all year periods.

All Known Issues

MBUX "Black Screen" and Software Instability

ModerateElectrics & Electronics

The dual-screen MBUX system can suffer from total "blackouts," where screens fail to turn on or reboot randomly while driving. This is often a software stability issue requiring a firmware update.

Most affected: All models

Estimated cost: £0 (Warranty) – £400Affects: 2018–2023

Typical symptoms

•Screens go completely black
•Sudden system reboots
•Navigation or media freezing

What to inspect before you buy

✓Confirm the latest MBUX software version is installed
✓Check for stored communication codes in the head unit

A250e Hybrid System / Charging Faults

ModerateElectrics & Electronics

The plug-in hybrid model can experience charging communication errors or "Drive System Malfunction" warnings due to software bugs or sensor sensitivity.

Most affected: A 250 e

Estimated cost: £0–£600Affects: 2020–2024

Typical symptoms

•Charging flap won't open
•Intermittent charging failure
•Electric range drop in winter

What to inspect before you buy

✓Check for hybrid system software updates
✓Ask if the car has had any charging port issues

Buying Tips for the 2020 Mercedes-Benz A-Class (W177)

✓Test the dual screens and MBUX system thoroughly for lag, freezing, or random reboots.
✓On A250e hybrids, check for the latest software updates; winter range will drop significantly (normal behavior).
✓Check for rattles from the dashboard trim and vents, which can be annoying on UK roads.

2018–2019 Mercedes-Benz A-Class (W177)2024 Mercedes-Benz A-Class (W177)