2005 Mercedes-Benz S430 4MATIC Q&A

2005 Mercedes-Benz S430 4MATIC Question: What would be the cause of a slight noise like a fan hitting radiator blades

When I start up a hill it is worse than otherwise but it is there when I take off -
Answer 1
poss weak or bad motor mounts,motor is lifting and fan could be hitting fan shroud -