I'd like to service the transmission myself on a 2014 E-250 4 matic.  Upon examination there is no service tube to put the tranny tool into to get a level reading, there is a plastic blind cap on top of the tranny where the tube should be.  Can I buy a tube to access the transmission and install?  Rahaal says no and wants $500 to flush / fill for 40K maintenance.  HELP




No you can not buy a tube for that car. Since you have the 7 speed transmission, you measure the transmission fluid level via the drain hole on the transmission pan. Basically you need a tool that will the transmission with fluid as recommeded by the manufactuer. Then you let the transmission fluid drain out of the overflow.

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