Type 2 Seat Occupancy Sensor SRS Emulator for Type 2 Support: E W211 2003–2007 – Temic SL W230 2003 W171 2004–2011 Color: Black Material: Plastic This emulator helps prevent seat occupancy sensor error alerts and seat belt warning alarms in your vehicle. Compatibility information is provided for reference only. Please compare the part number with your original unit before purchasing. Note: Due to different production batches, labeling may vary. Package Contents: 1 x Emulator Only the above package content is included; other items are not part of this package. Note: Light reflection and display differences may cause slight variations between the product color in images and the actual item. Measurement error allowance is +/- 1–3 cm.