Originally Posted by Graham

OK Thanks - Good Tips!

I decided to get a new thermostat kit from dealer. $38! But at least I can pick it op here. Napa and others may have had one, but not worth the effort to shop around. Most of them freeze as soon as I say Mercedes!

I didn't order the bolts. Mine may be OK (not been in there that long since engine rebuild) but if not I imagine they are standard metric machine screws? Maybe I should use stainless?

Thermostat will be here tomorrow. Gives me a chance to start dismantling and draining.