This OEM operating unit is suitable for 81-85 Mercedes-Benz W126 500SEC and 500SEL models. It comes with different OE/OEM part numbers, including A1248200492, A1248200392, A1268202410, A1268202510, A1268211258, A1268211158, A2018210167, A1248212967, A1268300285, A1268211558, A1268211358, A2018200092, A1268211458. Part was remanufactured and removed from seal bag to photo only and has not been installed in a vehicle since remanufacturing. Part has been on the shelf of an independent German repair facility for 20 years. Box has minor damage. Please verify the part fits your car feel free to message me with any questions. I can help verify fitment. we have done everything within reason to help identify fitment, ultimately it is on you to verify parts fitment please verify fitment on your own or message me to help.