genuine mercedes-benz door lock 164-740-03-00 part can be found as #18 in the diagram above genuine mercedes-benz parts product description r63 amg. Ml500, ml350. Specifications brand mercedes-benz manufacturer part number 164-740-03-00 sku 164-740-03-00 product genuine mercedes-benz door lock 164-740-03-00 replaces 164-740-00-35,164-740-03-35,164-740-04-35,164-740-07-35 only part reference #18 on the diagram is included terms and conditions