Engine cooling: Notes: Guard

If the temperature of the coolant or of the engine oil becomes excessive during engine operation, certain functions in the vehicle are influenced in such a way that the engine cooling has more energy available.

The measures are divided into 2 operating modes:

1. Guard
   • Coolant temperature between 117°C and 124°C
   • Engine oil temperature between 150°C and 157°C.

   Measure: power reduction of the climate control (up to 100 %) and of the engine.

2. Emergency
   • Coolant temperature between 125°C and 129°C
   • Engine oil temperature between 158°C and 163°C.

   Measure: power reduction of the engine (up to approx. 90%).

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