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#4693990 - 03/13/18 09:18 PM Splicing Mercedes transmission return line
MaximaGuy Offline

Registered: 09/20/03
Posts: 1143
Loc: 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

#4694006 - 03/13/18 09:30 PM Re: Splicing Mercedes transmission return line [Re: MaximaGuy]
Trav Offline

Registered: 11/20/06
Posts: 17736
Loc: MA,
Can you post a pic of the line where you want to install a T?
ASE L1, Master. Deutsch Meisterbrief.

#4694061 - 03/13/18 10:23 PM Re: Splicing Mercedes transmission return line [Re: MaximaGuy]
Reddy45 Offline

Registered: 08/15/08
Posts: 2517
Loc: USA
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)
2015 Toyota Tacoma V6 4X4

#4694066 - 03/13/18 10:28 PM Re: Splicing Mercedes transmission return line [Re: MaximaGuy]
rooflessVW Online   content

Registered: 12/24/11
Posts: 3480
Loc: 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."

#4694108 - 03/13/18 11:20 PM Re: Splicing Mercedes transmission return line [Re: MaximaGuy]
The Critic Offline

Registered: 08/30/04
Posts: 19545
Loc: CA
AT Filter changes are required on MB as part of scheduled maintenance.
2011 Toyota Prius - 164k - ACDelco 0W-20
2007 Honda Accord 2.4 - 126K - Idemitsu 5W-20