my car starts and runs for about 30 to 40 minutes it get hot and shut off on 1999 Mercedes-Benz ML430

after cool down for one hour it starts again, I have this problem with my car in list for four weeks but is getting worse. thanks,

by in Guymon, OK on September 17, 2013
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2 answers
ANSWER by , September 26, 2013
most likely the crank shaft sensor. It gets hot and resistance goes up and it stops sending its signal to the engine control module. you should have a code set for this but not always
ANSWER by , September 17, 2013
seek diag and est it could be several items