For as long as I have owned my 2006 E320CDI I have always assumed that she had a OM648 under the hood. That is until I accessed the hidden menu to check battery voltage and oil level. Much to my surprise OM613 was listed as the engine on the oil level page. I had never heard of the OM613 and after researching it I learned that it is very similar to the OM648, it was used for a few years before the OM648, and it seems as though it was more commonly used in the European diesel market than it was in the USA diesel market. Does anyone here happen to have an OM613 in their E320CDI? Were they commonly found in E320CDI's? I do recall the previous owner telling me that he did have to have the dealer replace a "computer" that had gone bad in the car but I don't remember which computer it was. Could it be possible that when the dealer installed and programmed the computer they accidentally selected the wrong engine during the programming process and that is why my dash is showing OM613, or do I most likely have an OM613?

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2006 E320CDI- current dd
1999 E300TD - retired
Wilmington, NC USA