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Should I replace Transmission filter and fluid?

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M-Class (W163) 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

Should I replace Transmission filter and fluid?

 
Old 01-15-2019, 08:40 AM
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2004 ML350
Should I replace Transmission filter and fluid?

I just passed 170,000 miles and I have to replace the transmission mount. I know these transmissions are sealed and they say no maintenance but should I replace the trans filter and fluid while I'm under the truck anyway? It shifts through all gears with no problems as it is now. Will changing the fluids and filter cause any problems that don't now exist? Thanks for the feedback.

2004 ML350

Anthony
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Old 01-15-2019, 09:10 AM
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2002 ML 320 & 2006 ML500
Yes change the fluid and filter.
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anthonym13 (01-17-2019)
Old 02-17-2019, 10:46 AM
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Hey Major, I drained the fluid from my transmission pan and replaced the filter. I added the same amount of fluid that I previously drained. Upon reading the newest transmission fluid changed post I realize I only replaced about half of the fluid in the trans. Do you think that is enough or should I go through the process of removing and adding more? I've never had any problems with the shifting this is all just preventative maintenance for me.
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Old 02-17-2019, 12:08 PM
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The remainder is in the torque converter.

You must get a dipstick to check for the proper fluid level.

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Trans. Fill Procedure.pdf (118.4 KB, 14 views)
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