Notes for Service department: Guard

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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:

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.
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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