u/Far_Orchid_6120

what the hell is up with my cls 550 I just bought it and it was driving fine for couple days then I go to get a drink I get back to my car says no key detected and not to forget key in the car im ao confused I changed remote batteries put jumper pack on battery tried pushing the key twisting it letting car sit with battery off did everything when I turn key no ignition nothing but locks and opens car perfectly fine im guessing its time for new key and new eis system but im not sure found 0 people that actually had this problem uncle ran computer showed 0 codes for ignition or anything related im guessing its a non oem key if someone knows how I can tell id appreciate that but im taking it to dealer to get oem key tomorrow