⚠️ MG MG4 — Not applicable misfuel risk
No petrol or diesel tank. Wrong-fluid events involve washer fluid, coolant, or AdBlue mis-fill on PHEV variants only.
If the engine was not started
Keep ignition off; do not charge the high-voltage battery until the incorrect fluid is removed.
If the engine was started
If the vehicle was driven, inspect for damage to pumps, modules, or HV components per OEM inspection checklist.
⚠️ MG position — MG4
MG prescribes high-voltage safety and fluid-spec procedures in NZ service information. Factory warranty excludes damage from incorrect fluids or misuse. Contaminated liquids must be disposed per HSWA 2015 and regional council requirements.
Vehicle information
| Specification | Details |
|---|---|
| Make | MG |
| Model | MG4 |
| Market status | Sold new in New Zealand 2023–present |
| Body styles | Hatchback or SUV (variant dependent) |
| Generations | SAIC MSP (EP22) |
| Engines | Electric: 64 kWh typical NZ specification |
| Fuel tank capacity | Not applicable — high-voltage battery only |
| Fuel system | Battery-electric; no fuel tank. Follow high-voltage safety per OEM. |
| Access method | Not applicable for fuel tank |
| Anti-siphon | Not applicable |
| OEM service portal | MG Motor New Zealand — SAIC/MG technical publications |
OEM access procedure
- Identify which reservoir was affected (washer, brake fluid, coolant — not fuel).
- Keep the vehicle OFF; follow OEM high-voltage lockout if working near orange cables.
- Drain or extract the incorrect fluid using OEM-specified access points.
- Flush or replace affected components per service manual.
- Document the event for warranty and Consumer Guarantees Act records.
Additional notes
- NZ-new and parallel-import EVs use the same fluid-reservoir cautions; there is no fuel misfuel risk.
Related models
Frequently asked questions
Can I misfuel a MG MG4 with petrol?
No. The MG4 is electric and has no petrol tank. Use 91/95/98 only in PHEV variants that have a separate fuel filler.
Who services MG EVs in New Zealand?
Authorised MG dealers and NZIFDA-certified workshops with OEM training and HV safety equipment.
How should contaminated workshop fluids be disposed of in NZ?
Follow HSWA 2015, HSNO, and your regional council requirements for hazardous substances and waste minimisation.
Need certified fuel contamination service?
Find an NZIFDA certified operator or read consumer guidance on wrong-fuel incidents.
Find an operatorFor consumers