Failure to regulate a proper temperature is usually due to a rotted foam hose under the dash. Hardware store pipe insulation may be used to replace the rotted-out segment.
On that system, the common failure points, in no particular order: 1) Torn monovalve diaphragm 2) Cracked solder joints inside the pushbutton unit. 3) Rotted foam hose going to the cabin temperature sensor. -- Jim _______________________________________ 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
