SL/R230: transmission flush question
I can't seem to figure out if it needs to be at a higher temp or do I shift through the gears? I don't want to mess anything up




Now if you are trying to flush the ATF fluid I would put the transmission in park to flush it with one of the ATF hoses at the radiator disconnected.
Thats what I did, it is the ATF hose connected to the top of the radiator, passenger side, right below the air intake tube.




There must be oil in there to pump out
Last edited by NZ-Merc; Feb 16, 2017 at 07:46 PM.

I can't seem to figure out if it needs to be at a higher temp or do I shift through the gears? I don't want to mess anything up
Have you changed the filter and pan gasket? You should be getting fluid out of the upper trans cooler line.
Good luck, Bob
Have you changed the filter and pan gasket? You should be getting fluid out of the upper trans cooler line.
Good luck, Bob
Do you have a 722.6 or 722.9?
I followed your guide step by step.
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https://mbworld.org/forums/attachmen...55-p-0100a.pdf
fwiw, make sure you only use CURRENT SPEC APPROVED fluid. DONT use anything that says 'suitable' for Mercedes, only stuff that meets current spec. Here is a list of fluids that meet current spec
https://bevo.mercedes-benz.com/bevol...236.14_en.html
Member Glyn M Ruck helped develop the new standard. Read this thread & his comments with post #6 being important as well as his comments regarding flushing.
https://mbworld.org/forums/clk-class...722-6-atf.html



