1994 Mercedes-Benz E320 Q&A
1994 Mercedes-Benz E320 Question: how to read the codes
I know that this response is late for the original poster, but wanted to provide an answer for any others who are curious about this topic. As was mentioned, the 1994 e320 has a built-in diagnostic LED. The best example of how to utilize it that I have seen is at: http://youtu.be/HCcmL8hLcDY This YouTube poster (eallevato) has a lot of detailed information for DIY-ers on this year and model, so it is worthwhile the check out the other videos he has uploaded. - TommyY
When I push down and hold the button in the small box under the hood it does not blink, what should I try next to read code.
I have 1997 mers. E320. Transmission runs only 1 gear, doesn't changing at all, I checked and got those codes P0743, P0753, P0763 and P0758 which parts I have to changed first it maybe only from...
CEL light is on I had the codes checked and it came back O2 sensor. How do you know where the O2 sensors are located and how do you know which one to replace?