You'll have to Make contact with the supplier to view If the car or truck is underneath guarantee. I wouldn't know. - Nick at Pelican Components Kenny hi I'm owning precisely the same problem with my 2011 w204 [c300 Activity 4matic] I transformed the battery yesterday and drove the car https://mercedes-ignition-switch43344.fare-blog.com/28278907/top-guidelines-of-mercedes-keys