10-13 Mercedes W221 S400 S63 E550 Distronic Adaptive Cruise Control Module OEM. This product data sheet is originally written in English. It Is the buyers responsibility to determine weather the part will fit his/her car. Please make sure to match the part number with your original part. What you see in the photos is what you will. All electronics are tested before removed from vehicle. IF NOT FUNCTIONAL, WE WILL NOT SELL. If the item has defects we will state accordingly and sell for parts only. Please ask questions before purchasing. All the parts are tested either before or after removal from the vehicle. Before purchasing the item, the customer MUST verify that the item will fit said vehicle. Item may show light scuffs, scratches or other imperfections as a result of this being a used part. Item(s) tested and in good working condition with some normal wear (see photos). […]