Engine Timing Chain Stretch
SeriousEngineThe metal timing chain can stretch over time, leading to rattling noises and, if ignored, catastrophic engine failure.
Est. Repair Cost: £500–£900
Reliability GuideCommon Problems with the
Common Problems with the
2013 MG MG3
The launch year for the MG3. Early models introduced the budget supermini concept but had issues with door seal water ingress and radiator leaks from the start.
What changed for 2013
- •Launch of the MG3 as a budget supermini
- •Introduction of 1.5-litre petrol engine
- •Sporty styling at an affordable price
Common MOT watch-outs
- !Door seal water ingress causing damp carpets
- !Radiator leaks leading to overheating
- !Clutch pedal failure on manual models
5
Known Issues
2
Serious
3
Moderate
0
Minor
All Known Issues
Clutch Pedal Failure
SeriousGearbox & TransmissionSome MG3 owners have reported the clutch pedal suddenly dropping to the floor and not returning. The cause is typically a failed clutch master or slave cylinder.
Est. Repair Cost: £200–£400
Thin Paint and Surface Rust
ModerateBodywork & RustOwners often report thin paint that chips easily, leading to surface rust if not treated quickly.
Est. Repair Cost: £150–£400
Leaking Radiator
ModerateCooling SystemThe radiators on some MG3s are prone to developing leaks, which can lead to overheating if coolant levels are not monitored.
Est. Repair Cost: £150–£300
Door Seal Water Ingress
ModerateBodywork & RustEarly MG3 models have been known to let water in through door seals, leading to damp carpets and a musty smell inside the cabin.
Est. Repair Cost: £50–£150
Buying Tips for 2013 MG MG3
- ✓Check the door seals for gaps or deterioration
- ✓Inspect the carpets and underlay for dampness
- ✓Test the clutch pedal feel and return action