If your xenon lights have stopped working or they are blinking, then Xenon HID Ballast has failed, and you need a new one. Xenons4u takes pride to offer Hella 5DC 009 060-00 5DC009060-00 AFS-GDL Xenon Ballast Control Unit around UK at very affordable prices. It is a direct replacement for Hella brand. This part is intentend to fit only Mercedes-Benz E class cars such as W211 and S211 Facelift with factory fitted D1S HID bixenon headlamps. If you are unsure about fitment, don’t hesitate to get in touch with us or by visiting our website.