My wagon has always been somewhat notchy in this way, especailly right off the line.

I was told it was a bad throttle cable offerring too much resistance.

Another said it was bad motor mounts!

I did lubricate whatever linkage I could find and as I recall this helped somewhat. Might want to isolate the cable and see if it is twitchy.

Haasman

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'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)