Mercedes-Benz CLK430 ignition key won't turn after storage, window goes down when door is opened on Mercedes-Benz CLK430

Some Mercedes-Benz CLK430 owners report experiencing difficulties with their ignition key not turning after storage, which may be attributed to a binding steering column or ignition switch problems. Additionally, these owners have noted that the window goes down when the door is opened, potentially indicating issues with the window regulator or control module. To address these concerns, some owners recommend checking the condition of the ignition key and ensuring it is not damaged, as well as verifying the battery in the key fob for any communication issues with the Electronic Ignition Switch. If problems persist, it is advisable for owners to consult a qualified mechanic or Mercedes-Benz service center for a thorough diagnosis and repair.