continuosly

HI I'm new to this forum and have a problem with my 2002 ML270 CDI the heater is blowing hot air all the time even when the controls are put to cold can anyone help please?

Hi Guys, New to the club and to Mercedes in general but have now got a 98 SLK230, I'm not sure if this is a problem but would like someone to put my mind at rest, The FAN, It sometimes comes on literally minutes after it's gone off, If I'm sat at the lights then I hear it come...