hello i have a a c230 compressor model 2005 ..when i turn it on at the morning it makes a frequent vibrations each 3 to 4 second u feel like it gonna turn off till it reach its normal temperature the vibrations will disappear ..note that i have a message on my screen which is : battery alternator visit workshop ..
does the alternator makes such kind of problems ?

 

test your battery and alternator to see if they are still good. having a dying battery will cause warning lights to come one like the ESP and others to go off sometimes.