Originally Posted by G-Benz

If there is a dealership you frequent, have them look up the VIN in their database and obtain the codes...provided the unit is the original one installed in the vehicle.

Before you go there, check for any recent service invoices from ANY MB dealership...the header information usually includes radio codes (e.g., RSC: ) so the tech working on the vehicle can reset them...it's standard procedure to disconnect the battery prior to servicing.

Hope this helps.