1. Disconnect battery cable;
2. Take off airbag and original paddle shifters;
3. Replace original paddle shifters with OHC magnetic Paddle Shifters,please use the screws 4x18MM or 4x14MM (depends on different car models) to mount the paddle shifters onto steering wheel;Screw driver is M2.5;
4. Install airbag and reconnect the battery cable;
5. For some car models,it may need to use diagnostic tool to delete the error light on instrument panel,since the error light will be shown after airbag is removed.

Compatiblilty：

Fit For: Mercedes-Benz Smart 451 / 453（This is a pre-order item. After placing your order, please contact Customer Service to extend the receipt confirmation period.）