car will not start at times and have to let it sit for 10 minutes and then will start . Also stalled out while driving . what cold be the cause

What is your question?

The problem is now happening almost every day . The vehicle will start . I will drive to destination and vehicle will not start for 10 minutes to an hour . there are no warning light showing . Also while driving the veh yesterday , it stall like you were running out of gas . I had to wait 10 minutes for it to start again . It is happening more frequently now . What could it be ?

What makes this problem better or worse?

it is unpredictable

How long has your 2005 Mercedes-Benz C240 had this problem?

a few weeks