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Mercedes-Benz OEM part number A2155450008 is an EIS/EZS electronic ignition switch module. This exact number corresponds to Marquardt reference 33001103 and identifies the vehicle’s electronic ignition switch or ignition lock control unit. Interchange, coding status and vehicle application should be confirmed by the buyer.
As an electronic ignition switch module, this unit belongs to the ignition and start authorisation system used in Mercedes-Benz vehicles. Common names include EIS, EZS, electronic ignition switch and electronic ignition lock control unit. The secondary number 33001103 is an associated manufacturer reference on the same unit. Buyers should match the full OEM number A2155450008 on the original component before purchase, especially where multiple visually similar ignition modules may exist.
Returns accepted only for genuine faults — faulty on arrival, not as described, or wrong part supplied — requested within 14 days, with all 3 anti-tamper stickers intact. No returns for change of mind, incorrect installation, coding/programming, or buyer compatibility errors; checking compatibility (OEM number, firmware, vehicle) is the buyer’s responsibility. Full policy: https://giantparts.eu/refund-and-returns/
