When I had my 17 C63S I was told it had to service the diff after the break-in was completed which was free of charge. Was wondering if that is required with other AMG's cause there was no mention when I purchased the CLA 45? Asked around and got both yes and no answers from different dealerships. I am at 620 miles so still have time to figure it out cause I don't want to set up an appointment and get charged and finding out I didn't have to do it
Junior Member
Every year or 10,000 miles. Seems standard for the automotive industry nowadays.
