I changed my 2016 E400fluid. No need to remove the aux pump to drain the torque, there is a rubber plug (you can see it in your video too) in the 5 o'clock position on the bellhousing that gives access to the torque drain screw.
Yes it does have the start/stop pump. If you look at your post, step 5, the photo showing the torque screw. The rectangular rubber access plug is visible in your photo!
I never removed the pump, no reason to as there is an access plug just up the bellhousing on the right side of the vehicle. You have to fashion a rubber hose to place over the drain when you remove the screw otherwise it will make a mess.....You can see the rubber access plug, it is rectangular and appears just up the side of the bellhousing. Some fluid does run down the torque but it drains through an opening in front of the aux pump. A good shot of brake cleaner after a new screw is in place will flush out any remaining ATF. Otherwise, I guess you can take off the pump. Some torques don't have drain plugs, it is easier to check using the rectangular plug instead of pulling off the aux pump. The only other difference with the biturbo engine is the intercooler blocks the lower crank bolt. I used the alternator nut to carefully turn the engine to position the drain screw.
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I changed my 2016 E400fluid. No need to remove the aux pump to drain the torque, there is a rubber plug (you can see it in your video too) in the 5 o'clock position on the bellhousing that gives access to the torque drain screw.
Does your E400 has start/stop eco function? Do you have a photo of your drain plug?
Yes it does have the start/stop pump. If you look at your post, step 5, the photo showing the torque screw. The rectangular rubber access plug is visible in your photo!
If your E400 has start/stop function, the aux pump should covered the access hole of TC drain plug, like the 3rd picture of step 3.
I never removed the pump, no reason to as there is an access plug just up the bellhousing on the right side of the vehicle. You have to fashion a rubber hose to place over the drain when you remove the screw otherwise it will make a mess.....You can see the rubber access plug, it is rectangular and appears just up the side of the bellhousing. Some fluid does run down the torque but it drains through an opening in front of the aux pump. A good shot of brake cleaner after a new screw is in place will flush out any remaining ATF. Otherwise, I guess you can take off the pump. Some torques don't have drain plugs, it is easier to check using the rectangular plug instead of pulling off the aux pump. The only other difference with the biturbo engine is the intercooler blocks the lower crank bolt. I used the alternator nut to carefully turn the engine to position the drain screw.
I can't find the rectangular rubber access plug on the photo, can you indicate it?
The rubber plug has been removed.
I see that