MG MG HS / MG EHS

Coolant capacity & service interval

MG MG HS / MG EHS coolant capacity ranges from 2,4 to 7,6 liters. Service intervals require a change every 48 months. The data covers 6 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
MG HS 1.5 GDI PHEV (226 kW) (2024- )
  • Use: Normal
  • Capacity 7,2 liter (Electric motor)
  • Capacity 7,6 liter (Engine)
MG HS 1.5 GDI PHEV (249 kW) (2024- )
  • Use: Normal
  • Capacity 7,2 liter (Electric motor)
  • Capacity 7,6 liter (Engine)
MG HS 1.5T GDI (125 kW) (2024- )
  • Use: Normal
  • Capacity 5,8 liter
MG EHS 1.5T GDI PHEV (190 kW) (2020-2024)
  • Use: Normal
  • Capacity 2,4 liter (Electric motor)
  • Capacity 5 liter (Engine)
  • Change 48 months
  • MG EHS 1.5T GDI PHEV (190 kW) (2020-2024)
  • High voltage battery
  • Use: Normal
  • Capacity 4,4 liter
  • Change 48 months
MG HS 1.5T GDI (124 kW) (2018-2024)
  • Use: Normal
  • Capacity 5,8 liter
  • Change 48 months

Additional Notes

  • The MG EHS 1.5T GDI PHEV (190 kW) runs three separate coolant circuits, each with its own capacity figure: 2.4 liters for the electric motor cooling system, 5 liters for the combustion engine cooling system, and 4.4 liters for the high-voltage battery cooling system.
  • The combined coolant volume across all three circuits of the MG EHS 1.5T GDI PHEV (190 kW) totals 11.8 liters, which reflects the added thermal management complexity of a plug-in hybrid drivetrain compared to a conventional combustion-only vehicle.
  • All three coolant circuits on the 2020-2024 MG EHS 1.5T GDI PHEV share the same 48-month change interval under normal use conditions, meaning all circuits fall due for renewal at the same service point.
  • The MG HS 1.5T GDI (124 kW) covering model years 2018-2024 carries a single cooling system capacity of 5.8 liters and a 48-month change interval under normal use conditions.
  • The MG HS 1.5T GDI (125 kW) introduced from 2024 onward also specifies a 5.8-liter cooling system capacity, matching the figure of the earlier 124 kW variant despite the slight power output difference.
  • The two 2024 PHEV variants of the MG HS, rated at 226 kW and 249 kW respectively, both specify identical coolant capacities of 7.2 liters for the electric motor circuit and 7.6 liters for the engine circuit, indicating a shared cooling system architecture across the two power outputs.
  • The electric motor cooling circuit on the 2024 MG HS PHEV variants at 7.2 liters is notably larger than the 2.4-liter electric motor circuit on the earlier MG EHS 1.5T GDI PHEV (190 kW), pointing to a substantially different thermal management design between the two generations.

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