Wilbur I think every W123 that I have ever had with an auto tranny has always shifted "differently" until they warmed up.
You should be OK if it shifts fine after everything warms up a bit.
Kind of like me trying to walk away from the bed in the mornings.....

__________________
Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John