Mercedes Benz Cooling Fan Problem

When the correct parameters are met a temperature switch or.

Mercedes benz cooling fan problem.

The cooling fan relay is the relay that controls the engine s cooling fans. Also check the aac pressure at stand still cold. Check for cooling fan problems using this simple guide and tips. If the a c compressor of a mercedes benz c300 is not good can it affect the fan.

I have a 2008 mercedes gl 450. Turned on the airconditioner but still doesn t run. The low temperature refrigernat passes through the evaportaor which causes the evaportator to get cold. If it is higher the air conditioning control module presumes that the pressure is high and assigns the fan control module to run at 90 pwm actuation.

For example at a coolant temperature of 51 0 c 123 8 f the refrigerant pressure should be no more than 12 bar. The evaporator works in a similar way as the radiator except in this case instead of hot coolant there is cold refrigerant flowing through the evaporator. Air then blows thourgh the evaportator which makes it get cold. Mercedes w211 radiator fan relay location replacement products used in the video.