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Splicing Mercedes transmission return line #4693990
03/13/18 08:18 PM
03/13/18 08:18 PM
Joined: Sep 2003
Posts: 1,336
Austin, TX
MaximaGuy Offline OP
MaximaGuy  Offline OP
Joined: Sep 2003
Posts: 1,336
Austin, TX
The new GLE is a sophisticated beast to maintain and one observation made thus far was the transmission return line

In these newer vehicles, there is no easy way to service the transmission and the GLE is no different.
The return line from radiator to transmission have lines that are crimped (much like the AC hoses) with overengineering & non-serviceability being their moto.

Personally dislike dropping the pan ever and wanted to know if the return line could be spliced and a coupler put for flushing.

Any thoughts


2018 MB GLE350
2011 Lexus ES350
2006 Toyota Highlander 4WD
Re: Splicing Mercedes transmission return line [Re: MaximaGuy] #4694006
03/13/18 08:30 PM
03/13/18 08:30 PM
Joined: Nov 2006
Posts: 20,566
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,566
MA, Mittelfranken.de
Can you post a pic of the line where you want to install a T?


ASE L1, Master. Deutsch Meisterbrief.
Re: Splicing Mercedes transmission return line [Re: MaximaGuy] #4694061
03/13/18 09:23 PM
03/13/18 09:23 PM
Joined: Aug 2008
Posts: 3,231
Where the wind comes sweepin'
Reddy45 Offline
Reddy45  Offline
Joined: Aug 2008
Posts: 3,231
Where the wind comes sweepin'
Would this not void the warranty on a brand new vehicle? (or present serious risk if you ever have to take it into the dealership for ANY transmission related issue)

Re: Splicing Mercedes transmission return line [Re: MaximaGuy] #4694066
03/13/18 09:28 PM
03/13/18 09:28 PM
Joined: Dec 2011
Posts: 5,094
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 5,094
North Carolina
Fairly certain the GLE has a ZF 8HP.

It has a drain plug, and fill plug. A fairly simple but not quite standard filling procedure is required. No big deal.


"Zed's dead baby, Zed's dead."
Re: Splicing Mercedes transmission return line [Re: MaximaGuy] #4694108
03/13/18 10:20 PM
03/13/18 10:20 PM
Joined: Aug 2004
Posts: 20,199
CA
The Critic Offline
The Critic  Offline
Joined: Aug 2004
Posts: 20,199
CA
AT Filter changes are required on MB as part of scheduled maintenance.


2011 Toyota Prius - 178k - Various 0W-20 (Brew)
2007 Honda Accord 2.4 - 133K - Mobil 1 EP HM 5W-30

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