When I run the AC and am accelerating up through the gears I feel a little hesitation and have to push down pretty hard on the peddle to make it go away. Of course then then I'm going too fast and am driving like "jack rabbit" starts. What should I check? Without AC the car does fine 26-28 MPG.

Bill

Be sure that the auxillary fans are working. They are the key to keeping the pressures down.

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Benzmac:
Donnie Drummonds
1992 500E (very soon I hope :)
1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM

benzmac,
I have the exact same problem with an automatic 2.6 (1991) and this is a new possible cause I've heard. What 'pressures' are you referring to????

intruder

1991 300E2.6

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<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Benzmac:
Be sure that the auxillary fans are working. They are the key to keeping the pressures down.

<HR></BLOCKQUOTE>
Benzmac,
Would that be AC pressure? And should the fans come on WHENEVER the AC is on? Thanks.

Bill