My car has started shaking/vibrating whenever the AC is turned on, even when it is on low. It was always present but never this bad. Could anyone give me some help with this or have experience with it?

its a 96 C280 110K

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2004 CLK500
2000 S500

Check your motor mounts

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89 190E
2.6L
Arctic white
Grey leather
Sunroof
Pirelli P400 rubber
Smoked corners

That is a hell of a strong AC

Just kidding.

Check also how secure the compressor bolts are. If the motor mounts were bad, I would expect the shaking to happen at all times, not only when the AC is on.

Low or High is irrelevant, the car probably shakes because the compressor is engaging, not because of the setting on the blower fan. (IMHO)

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1999 Porsche 996 Carrera Convertible
1994 420E - SOLD
1986 300E - SOLD, what a car
609 Certified

where is the compressor located?

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2004 CLK500
2000 S500

Hi

Had similar problem on my R129 SL. I suggest you look at your AC cooling fans. My car had a broken blade that caused a lot of shaking and noise when AC was on.

Out of interest the fans (twin for my car) came as one unit and were very expensive, so I experimented by breaking of the blade opposite the broken blade to balance things out. It worked!!

Regards

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1990 300SL