Mercedes Repair Questions? Ask a Mechanic for Answers ASAP
Hi, my name is***** is a plastic cover directly in front of the fuse box under the hood. The box usually has a large X on the top of it. Open the cover and you will see some small positive battery cable wires. You can connect your red clamp to those wires and connect your black clamp to a metal bracket or a bolt on the chassis. I've attached a picture below.
Let me know how you make out.