My 99 E300 seems to like fuel additives, typically idling quieter and getting slightly better mileage than without.
I have expirimented with adding ~1% of B100 and get the same results.
I would like to run straight B100 occasionally and am curious if other board members with 98 or 99's do so successfully, and if so:
How long they have done so?
Whether or not they have have had any mechanical issues they could attribute to use of B100?
Finally, does the 99 use the "viton" rubbers in fuel related lines, hoses, o-rings etc?
Like most other E300 TD owners, I don't want to go through another round of air infiltration into the fuel system.
Thanks