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Home >> Mercedes Benz >> 2014 >> CLA250 Base >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - Safety Precautions >> Safety Information - Engine Cooling System >> Risk of injury due to fan starting unexpectedly - AS20.40-Z-0001-01A

Risk of injury due to fan starting unexpectedly - AS20.40-Z-0001-01A

Do not reach into the rotation or hazard area of the fan. Wear closed and close-fitting work clothes. 

ENGINE 780 in MODEL 242 

Risk of injury 

Due to preprogrammed or remote-controlled Preconditioning, the radiator fan may suddenly start operation. Persons working in the rotation area of the fan may be injured by this.

Safety instructions/precautions 

Before working directly in the rotation or hazard area of the fan, the Preconditioning function must be deactivated.