The PIECHA LED daytime running light inserts with exact fitting housings be replaced by the external standard grille inserts between fog lights and central grid. Among the LED daytime running lights of the POWER-air channel is formed deep and very distinctive. Assembly requires the control modules for the LED controller and the cable set are pre-assembled ready for installation included . installation should be carried out in a specialist workshop. A detailed installation instructions are included. During installation of the front spoiler must be removed and the cut-outs are trimmed in order to integrate the LED daytime running lights can. A rear armor is not possible. , the LED daytime running lights illuminate when the ignition with 100% light output (very bright) As soon as the be switched on low beam headlights (also on the automatic setting), the LED dim daytime running lights at 20% light output down and act as marker lights. The daytime running lights have an e-registration and must not be entered by the TÜV. As an ideal supplement we recommend the front spoiler lip W204-251 , the has been specially developed and designed for the C63 front spoiler. matrkantes for a very sporty design, we recommend the Eyebrows W204-300 .