Originally Posted by ihsanshaik
My 2001 W203( mercedes C240) has this. This technology has been out for well over a decade. I use it on my benz and my e90 all the time.
Water pump on? Will it cause any premature wear on the WP? Shit I might not use it as much. is WP covered under CPO?
Premature wear? For those few minutes running compared to all the hours running when the engine is actually turned on?