Was a transmission change made from 04 to 05?

However, when I see cars advertised for sale, if theyre the later 05-06, I see included in the add "beefier, preferred or stronger" transmission.
Truth to this?




However, when I see cars advertised for sale, if theyre the later 05-06, I see included in the add "beefier, preferred or stronger" transmission.
Truth to this?
Mercedes states (somewhat emphatically) throughout their documentation that the 2 items (TCU and valve body) must be upgraded (from 2003 set to 2004 and later set) as a pair, however, some members have stated that they have swapped only one or the other with no ill effect.
whether or not this update (in 2004) can be equated to increased "beefiness" is debatable ... although it is commonalty accepted that the the bluetop solonoids are synonymous with firmer shifts.
I upgraded my 2003 sl55 (same valve bodies and TCUs as E55, just different variant coding) with a valve body and TCU from a 2004 E55 (in order to get the paddle shifting in all modes and the "blue tops") .... works for me.
hope that helps,
Chris
latemodel21 Products




However, when I see cars advertised for sale, if theyre the later 05-06, I see included in the add "beefier, preferred or stronger" transmission.
Truth to this?
Chris


