MG MG3 Hybrid+ (Mk3)
The third-generation MG3 (model code ZP22) marks a total transformation for MG's popular supermini, evolving from an inexpensive runabout into a high-tech hybrid rival to the Toyota Yaris and Renault Clio E-Tech. Arriving in UK showrooms in spring 2024, the headline Hybrid+ variant pairs a 1.5-litre four-cylinder Atkinson-cycle petrol engine with a punchy 100kW electric motor, a 1.83kWh battery, and an innovative three-speed automatic gearbox. Producing a class-leading 194PS, it delivers brisk 0-62mph acceleration in 8.0 seconds alongside an official 64.2mpg WLTP figure. Trim levels follow MG's straightforward SE and Trophy hierarchy, featuring twin digital screens and the MG Pilot driver-assist suite as standard. The cabin offers impressive space and modern connectivity, backed by MG's transferable seven-year warranty. For UK city commuters and cost-conscious buyers, it provides unbeatable hybrid value and low running costs.
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Common Faults & Reliability
These are the most common documented problems for the MG MG3 Hybrid+ (Mk3), sorted by their typical impact and frequency.
3-Speed Hybrid Transmission 1st-to-2nd Gear Shift Hesitation
medium severityUnder abrupt throttle demands when joining fast traffic, the dedicated 3-speed hybrid automatic gearbox can exhibit a momentary hesitation as it selects the direct engine-drive gear.
Lane Keep Assist & Speed Limit Warning Hyper-Sensitivity
low severityThe standard MG Pilot safety suite can produce persistent warning bongs and aggressive steering wheel tugs on narrow, unmarked UK rural B-roads.
1.83kWh Hybrid Battery Pack Cooling Fan Drone in Warm Weather
low severityThe compact 1.83kWh lithium-ion battery pack located under the rear seats uses an auxiliary cooling fan that can emit an audible whining drone inside the cabin during hot summer driving.
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