Common Problems with the
2020–2024 Mercedes-Benz CLA (C118)

We've identified 2 known issues that can affect the 2020–2024 Mercedes-Benz CLA (C118). None are considered critical, but they're worth knowing about before you buy.

Known Issues

Serious

Moderate

Minor

The 2020–2024 period has 1 more issue than the Mercedes-Benz CLA (C118) average across all year periods.

All Known Issues

Hybrid Battery / Charging Bugs

ModerateElectrics & Electronics

PHEV models can occasionally show charging faults or fail to engage electric mode due to software glitches.

Most affected: CLA 250 e

Estimated cost: £0–£500Affects: 2020–2024Often appears around: Any

Typical symptoms

•Charging flap won't unlock
•"Drive system malfunction" warning
•Electric range lower than expected

What to inspect before you buy

✓Check for the latest hybrid control module software updates
✓Inspect the charging port for debris

Interior Trim Rattles

MinorInterior & Trim

The stylish interior uses many plastic panels that can squeak or rattle over time, especially around the MBUX screens.

Most affected: All models

Estimated cost: £100–£300Affects: 2019–2024

Typical symptoms

•Squeaking from the dashboard
•Rattles in the door cards

What to inspect before you buy

✓Drive over a rough road and listen to the trim

Buying Tips for the 2020 Mercedes-Benz CLA (C118)

✓On CLA 250e models, expect a 30-40% drop in electric range during UK winters; this is usually normal rather than a battery fault.
✓Listen for wind noise at motorway speeds, which suggests the frameless window seals need adjustment.
✓Check the interior door cards and dash for creaks when driving over rougher B-roads.

2019 Mercedes-Benz CLA (C118)2025 Mercedes-Benz CLA (C118)