Are there any specific vendors you had in mind? I would love a TCU tune for my w210, something to speed up the shifts, like the "S" sport mode on the bluetec.

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Current fleet:
1998 E300 turbodiesel
2008 E320 bluetec - leaky oil cooler seals replaced
2012 S350 bluetec
2014 GL350 bluetec

Sold:
1996 Passat TDI
1997 E300 diesel