THE UNIT IS NOT COMPATIBLE FOR PORSCHE CAYENNE OR PANAMERA! 1 Brand New D1s HID Xenon Ballast ONLY for Mercedes-Benz E Class W212 part# 5DC009060-20 5DC009060-212.....The unit is test and 100% working condition. This is a Replacement ballast for Hella d1s AFS-GDL 5DC009060-20 5DC009060-212 ----- Compatible with MERCEDES-Benz E Class W212 Saloon 2010 2011 2012 2013 E Class S212 Estate 2010 2011 2012 2013 E Class C207 Coupe 2010 2011 2012 2013 E Class A207 Convertible 2010 2011 2012 2013 .-------30 Day Return and 2 YEAR WARRANTY COVERAGE ON BALLAST but not limited, from the date of the purchase. Any defects resulting from water damage, fire, acts of nature, misuse, abuse, modification, improper installation, vehicle crash, or any type of impact. Any modification such as cutting wires or soldering wires to the system or operating a vehicle with a damaged headlight housing will void the warranty. FOR ANY QUESTION AND CONCERNS PLEASE SEND US AN EMAIL AND WE'LL GLADLY HELP YOU. THANK YOU,