If the valve does not receive power you will get full heat. Unplug the line to it and see if you get full heat. If not it sounds like you are in for a valve replacement.
Sent from my iPhone > On Dec 8, 2016, at 5:59 PM, M. Mitchell Marmel via Mercedes > <mercedes@okiebenz.com> wrote: > > 1997 E420, not getting any heat to speak of. I wanna check the fuse before > getting any more exotic, repairwise, but all the online guides to the three > fuseboxes in the W210 are quite non-helpful about finding the fuse > controlling the duovalve. Everything else on the A/C panel is working, > except the "Rest" button, which leads me to conclude the trouble is > electrical in nature. > > Help? > > -MMM- > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
