This Yanhua MB CAN Filter 18 in 1 Benz / BMW Universal filter should be added to car after odometer adjustment for most chassis model, EXCEPT for W222/W205/W447, those 3 chassis models should add can filter before odometer adjustment.
This CAN Filter 18 in 1 for Benz / BMW universal filter should be added to the car after odometer adjustment for most chassis models. But for W222/W205/W447 models, CAN filters should be added before odometer adjustment.
This Yanhua MB CAN Filter 18 in 1 Benz / BMW Universal filter should be added to car after odometer adjustment for most chassis model, EXCEPT for W222/W205/W447,those 3 chassis models should add can filter before odometer adjustment.