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rpmdiag, Tech and Instructor
Category: Mercedes
Satisfied Customers: 6700
Experience:  Since 1975
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I received a check engine light on my mercedes benz e420,

Customer Question

I received a check engine light on my mercedes benz e420, 1994
JA: Does the light stay on, or does it blink?
Customer: it stays on
JA: Are you fixing your E420 yourself? What have you tried so far?
Customer: I saw that the oil is a bit low, so I was going to pour some oil.
JA: Anything else you want the mechanic to know before I connect you?
Customer: no, I guess that is it.
Submitted: 25 days ago.
Category: Mercedes
Expert:  rpmdiag replied 25 days ago.

Hi, I'm Ron and I will be helping you today.
Stand by for a moment while I prepare your answer.

Expert:  rpmdiag replied 25 days ago.

In order for you to get more information, you need to attach a scan tool to the computer and get those codes out. This will give you more direction where we have to go next.

Thanks, Ron

Expert:  rpmdiag replied 24 days ago.

Hi, I'm just following up with you to see if you have any more questions.
Thanks, Ron

Expert:  rpmdiag replied 23 days ago.

If you are satisfied with my answer, I would greatly appreciate a 5
star rating now and I will still assist you after you have rated me
too if another question pops up. I don’t get credit for helping you
until you rate me.
Thanks again, Ron