Is running the car a bit cooler than normal temp better or is it not good for it?

I am talking 80C is the norm and 65C to 75C is what it runs at.

What are the pros. and cons? If any.

Thanks

__________________
1993 400SEL (W140) 281K
1999 S500 (W140) 163K (Sold)
2002 S500 (W220) 72K
1999 S500 (W140) 88K
You cannot simultaneously prevent and prepare for war.
Albert Einstein (1879 - 1955)