Hi, I've lowered my 124 cabrio, and now during accelleration, cornering and even small bumps in the road the read headrests come flying up. I am aware of one other person with the same car having the same problem. Can anyone help?

Best bet is to call Xzibit at MTV's "Pimp My Ride". He specializes in tricking out early model hoopties, but he might be able to hook up with the home boys at West Coast Customs where the work is done. At least they can tell you how to install a Playstation in the back seat.

The switches for headrest activation are on the rear axle at each side of the differential. Somehow, the mods were probably made in such a way that the sensors think the wheels are off the ground everytime you hit a bump.

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95 E320 Cabriolet, 147K

I've changed both the switches on the rear axle and it still does it. Are there any other sensors in the car that would set them off?

I believe they are the only triggers for the headrest mechanism. Rather than switch replacement, you may need to set the activation point for the switch relative to your driving conditions, though I don't know if the switches are adjustable.

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95 E320 Cabriolet, 147K

I've adjusted the activation points on the switches and still no luck. As well I've set them on the service position.
I've been told there is an anti rollover switch under the passenger seat, could that have something to do with it?

A friend of mine had a 1993 300CE-24 Cabriolet. She was involved in a very hard head-on collision after she inadvertedly run a stop sign and collided with a huge Mack Truck.

Although the car sustained considerable damage, the insurance company proclaimed it fixable and they local dealer proceed to repair the car.

The car was handed back to her after one month of work and it looked brand new, except for the fact that after taking delivery of the car the rear headrests would pop up on the slighest curve or by the smallest pot hole on the road.

I took the car back to the dealer for her and the service manager told me that there is a special sensor switch or controle module which controls the safety feature of the rear headrests located behind the backrest of the rear seat.

They dismanteled the rear backrest, change this unit (which by the way it looked like a regular black relay box) and the problem was solved. They also send her a US$1,500.00 bill for the part, which they claim many times misbehaves on its own, but on this partticular car they assured me it was due to the heavy collision.

Thought this story could help you.

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A. Rosich
CL 500, 1998
S 500 L, 1998
E 320 T, 1995 [Sadly sold ]

Thanks, I've been trying to locate the unit. I know it's asking alot but is there a chance that you have a part number for that unit.
Thanks,