State of health variation on rapid charged cars
- Typically appears
- 30,000+ miles
- What to inspect
- Get a battery health readout before purchase

A value electric hatch where battery health and software version decide the price.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed August 2026
The most commonly reported faults on the 2022–2025 MG MG4 are State of health variation on rapid charged cars, Infotainment and driver assist software faults and Disc corrosion from regen braking. 1 of the documented issues are rated high severity · inspect these first. Full inspection points, onset mileage and what to check are listed below.
Based on the documented faults on this page for the MG MG4.
Guidance only · reflects reported patterns, not a specific car's condition.
State of health variation on rapid charged cars
Infotainment and driver assist software faults
Disc corrosion from regen braking
Trim rattles and seat wear
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Check this exact carYes on price, provided battery health checks out.
Real world range and warranty remaining.
Driver assistance chimes, often improved by a software update.
Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.