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5-speed vs. 7-speed ??

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Old May 10, 2012 | 08:21 AM
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relinuca
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2009 E350 4Matic Sport sedan
5-speed vs. 7-speed ??
My '09 E350 4Matic has a 5-speed auto trans. The non-4Matics have a 7-speed. Why is that? Did the addition of the front drive system necessitate this change?

(FYI- in the passenger footwell, there's a curious "bump" on the side of the transmission tunnel. I assume this was needed to provide additional floor pan clearance for the front drive shaft.)

Comments, please.

relinuca

PS: The 5-speed performs fine; just a bit slow off the line.
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Old May 10, 2012 | 08:44 AM
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From: Dallas
2009 E350
i recall reading something about space issues.
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Old May 10, 2012 | 03:28 PM
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2012 E350 4matic Sport
That is correct. Simply a space issue. 7 speed would not 'fit' onto 4matic vehicles... so they kept the 5 speed for 4matic cars.
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Old May 10, 2012 | 04:50 PM
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2004 E320
........and be happy that's the case because the 7 spd is problematic.
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