My car has recently developed an attitude. When I first start it, it lags and hestitates in acceleration. It's almost rythmic! And the transmission seems to be "popping" into gear with hard jerks.

I've changed the plugs (copper), checked the wires, dist. cap and transmission fuild level. All is good.

Could this be the result of the ealier problem I inquired about over the w/e (Low radiator fluid level)?

Thanks for any advise.

Sounds like a vacuum leak. The transmission relies on vacuum to tell it how hard to shift.

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Benzmac:
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM

Experienced mechanic work, I assume? Is this also causing the lag in acceleration? It goes away after the car warms up.