Type2: Seat Occupancy Occupation Sensor SRS Emulator for Type 2 Support: E W211 2003-2007 - Temic SL W230 2003-... W171 2004-2011 color: Black material: plastic After this, your car not alarm for seat occupy sensor problem and not alarm for inserting seat belt. The Compatibility Is Just For Please Compare The Part Number With Your Original One Before Purchasing Note: Due to different production batches, labeling is random. Package Contents: 1 x Emulator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.