For MB Type 6, compatible with W220, W163, W210, W168, W639, and other 20002005 models. The seat occupancy mat emulator simulates a passenger sitting in the front seat with the seat belt fastened. To activate the emulator, use a diagnostic tool to clear previous error codes from the control unit related to the original seat mat sensor. After connecting the emulator, use the diagnostic tool to reset the SRS warning light. Note that safety system errors must be manually cleared and will not reset automatically. Operating voltage: 12V. Before purchasing, scan your vehicle with a diagnostic tool to confirm the SRS warning is caused by a faulty seat occupancy mat. Not compatible with W168 or W203 models. Color: black. Material: plastic. Package includes: 1 x Emulator. No additional items included. Note: Display lighting and screen settings may cause slight color differences between the image and the actual item. Measurement tolerance: 13 cm.