Here list reasons why you should buy a Benz star mercedes diagnostic tool with a laptop full package: —With the Dell D630’s dedicated serial port, there was no issue for me…. it was plug and play… I just loaded the HDD from the Seller into my Dell and all I needed to do was activate WIS/EPC and XENTRY/DAS with “activation keys”… I only use the Dell for mb star sd c4 purposes… mb-star-c3-1 —Bought an older Dell D630 laptop with a serial port and plan on ...