Have Mercedes Questions? Ask a Mechanic for Answers ASAP
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The problem can be a loss of spark or fuel. You can check forspark at the plugs with a spark tester. Check compression too for apossible valve timing issue with a compression gauge.You can check fuel pressure with a gauge and all of these toolsshould be available to you at yourlocal parts store for rent or purchase.You need to check for any stored codes in the computer with acode reader or a scan tool.The code reader only gives the codes and definitions, where thescan tool gives you allthe needed data to diagnose the codes.
Yes, the coolant temp sensor will cause this if it is out of calibration. It can be tested with a scope and a scan tool.
Thanks again and please remember to rate me 5 stars now and keepthis link in case you need me again later on.I don’t get credit for assisting you until you rate meRon
If you are satisfied with my answer, I would greatly appreciate a 5star rating now and I will still assist you after you have rated metoo if another question pops up. I don’t get credit for helping youuntil you rate me.Thanks again, Ron
Our goal here is to assist you in the repair of your vehicle bysupplying you with well educated information. We may not alwayshave the exact fix you wanted to hear, but our job is to get you onthe right track, which we always do. We can’t hear, see, smell ortouch your vehicle from where we’re at, so your understanding ofthat is greatly appreciated. There are no magical or miraculousanswers, but we do our best to guide you in the right direction.Thanks, Ron