M-Class (W166) Produced 2012-2015

Transmission/Transfer Case Question

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Old Jun 1, 2015 | 12:00 AM
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Dallas5Star's Avatar
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2014 E350 Sport
Transmission/Transfer Case Question

It's my understanding that in the 4Matic in my w166 the transfer case is integrated into the transmission. Does that mean they share the same fluid? So when I change the transmission fluid it's also changing the transfer case fluid?

Is there a center differential or is that the same as the transfer case?
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Old Jun 1, 2015 | 09:38 PM
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2013 ML550
There's only a separate transfer case if you have the on/off road package with low range.
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Old Jun 3, 2015 | 12:53 AM
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'13 GLK350 4matic,'10 C207,'15 GLA250,'07 Honda Odyssey, '18 GLE 43, '24 EQS 580
This also begs the question does the ML requires a TC drain like the W204 when a transmission service is done? Does the ML's TC have the mystical drain bolt that most service centers deny that even exist on the 7g transmissions?
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