when i put the ac on moving about 30 MPH the car starts to judder as if its out on 2000 Mercedes-Benz CL500

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
of fuel what might cause this it has just been re gassed
(1) Answer
Check the car with a SCAN TOOL from Discount Auto Parts or wherever. You may want to check your AIR MASS SENSOR for cleaning or replacing. Also check your THROTTLE