I have a 1985 Mercedes 300D and I have a couple questions on plugging it in. I would like to point out that I have used the search button but I found very few relevent threads and the ones I did had many opinions on when to plug in but neither helped me with question 2 and there were just too many answers for question 1. I am basically looking for a straight answer, what it would say in the manual.


1. At what temperatures should I start plugging the car in and for how long?

2. If I decide that I need my car plugged in for an hour before I leave for work but I only get up 15 minutes before I leave, is it alright to leave the car plugged in overnight?