Very likely a bad temperature sender. Replace it, and have someone do the usual thermo wax test on the thermostat housing to verify.
It's possible, although unlikely, that the thermostat housing is leaking past the thermostat, but I think you would notice that. Peter _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
