Can't find fanblower motorrelay on94 mercedes C220

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The dealer has some problems with these I think. Bad fuses and such. Check to see if the blower motor is getting power after you turn it on. Check to see if the resistor block (in series prior to the blower motor) is good.

Most of MB like what you have do not have a relay but a fan regulator mounted on the fan housing.

open the under cover of dash at front passenger foot-well have look under dash you can see the blower motor fitted in to the heater housing,

verify the plug of the fan and the fan switch located in termostat housing, if all are pluged in remove the conector of fan switch and short it with little piece of cable, if fan turn on replace the switch! it cost around $20. if the fan no turn on when short the conector verify if the fan conector have 12v if have it changer the fan motor if not check the fuse.

Follow the wires from the blower motor back to the blower motor resistor, normally only a few inches away and held in by a 7 mm screw. Replace it

check the blower fuse? check for voltage at the switch (requires removing heater / ac controls from dash on most vehicles.)

Try the strip fuse first on the driver side strut mount, its in a case about the size of a long tootsie roll. The blower motor and regulator are under the wiper assembly.

Try the fuse on the driver side strut mount first. Then the regulator underneath it and lube the bearings and turn by hand while your in there. The motor is below the wiper motor assembly.

hello,first check your fuse box in engine room,fuse number 11,14, or your blower motor,located at passenger side,below your dash,you can remove the plastic cover to check the blower motor,ty