My indy has a 1978 300D. The heat does not work and he said it needs a water pump heater. I don't know what that is.
If it's the auxiliary water pump, you don't really need it. Unless you spend a lot of time at idle in the cold climates. Bypass it, or at least just unplug it.
-- Jim _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com