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. This device is designed to work in conjunction with a diagnostic tool to clear stored error codes from the control unit related to a faulty seat occupancy sensor. After connecting the emulator, use a diagnostic tool to reset the SRS warning light and clear any existing faults. Please note that safety system errors cannot be cleared automatically without a diagnostic tool. Voltage: 12V Before purchasing, scan your vehicle using a diagnostic tool to confirm that the SRS warning is caused by a defective seat occupancy mat. Not compatible with W203 or W168 models. Color: Black Material: Plastic Package Contents: 1 x Emulator Note: The package includes only the emulator; other items are not included. Due to lighting and display differences, the color of the item may vary slightly from the image. Measurement tolerance: 13 cm.