I'm making an offer on an 86 560SL - has a slight power steering noise when turning. If at standstill and you rock the steering wheel, it just grunts a very sight amount. Steering felt smooth otherwise. What would a guestimate be on repair cost for this? My regular machanic is out for surgery and He's the only guy I trust!

Looks like a good deal, too. 86, 140K but only $10,000.