If steam is coming out of the exhaust that is a very bad sign, it is a symptom of a blown head gasket with water entering the combustion chamber, you should check for oil in the water or water in the oil, if you pull the oil filler cap and it looks like a chocolate milkshake you have a blown headgasket or cracked head

__________________
Jerry

2004 SL500 Black 55K Miles
2002 s500 Black 90K Miles
1986 300E Gold 233K Miles
1966 Twin Cessna 320D
1989 Jeep Cherokee 233K Miles
1994 Ford Van E150 399K Miles