2017–2025 MG ZS · common problems & known faults

EV battery health and charge-rate variation

Typically appears

Any

What to inspect

Run a state-of-health check and test a rapid charge

Infotainment freezing and software glitches

Typically appears

Any

What to inspect

Cycle every function and confirm software updates are applied

Bush and damper wear on poor road surfaces

Typically appears

60,000+ miles

What to inspect

Listen over broken tarmac

Paint quality and trim fit on earlier cars

Typically appears

Age-related

What to inspect

Inspect panel finish and shut lines in daylight

Jerky gear shifts and low-speed hesitation on 1.0T automatic models

Typically appears

30,000-50,000 miles

What to inspect

Select Drive and Reverse repeatedly on a flat surface to feel for excessive engagement delay, then perform a slow-speed crawl test to check for clutch judder.

Severe pitting and corrosion on rear brake discs on EV models

Typically appears

3-4 years or 20,000-40,000 miles

What to inspect

Visually inspect the rear brake discs through the alloy wheel spokes. Look for heavy rust scoring or a pronounced lip caused by underuse due to regenerative braking.

Air conditioning blowing warm due to condenser stone damage

Typically appears

2-5 years

What to inspect

Set the climate control to maximum cold. Ice-cold air should blow from the vents within 60 seconds. Shine a torch through the lower front grille to check the condenser for impact damage or oily residue.

Front charging port door sticking or failing to latch on EV models

Typically appears

20,000-40,000 miles

What to inspect

Press the MG badge on the front grille to release the charge port door. Ensure it springs open smoothly and clicks securely shut without requiring excessive force.