Originally Posted by
onehundred80
Manual or auto it is the same part, but 2004 models have a specific part not used on later models.
Get the number off your unit and buy it using the Mercedes part or the manufacturers part number. Never use the Chrysler part number which is in the parts manual.
Are you sure you really need this part?
From reading a few other posts on here about the same issues it seemed changing out the abs unit fixed the issue. I was wondering how the abs unit would tie in to an inoperable speedometer though