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Q: SRS and Airbag Off Lights? on 2000 Mercedes-Benz ML430

We purchased a used ML430 and ever since we bought it the SRS and Airbag Off lights have been on. Sometimes they will go out for 30 or 50 miles but then come back on. The seller assured me she had taken it to a Merc Tech who told her the bags would still work and that it was only a light issue?
Also how the heck do I get the drivers door panel off? my window wont go up or down but I hear the motor running, probably broke an arm but cant get into the thing?
And lastly, how do I get the static outa my radio am station only, antenna is fine and at times when I step on brake the radio will clear up, cant remove it so any tips would be helpfull
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1st) The SRS light indicates a malfunction in the air bag system and needs to be diagnosed and repaired by a professional technician. Even if the light comes on and off, there is a problem. 2nd) The air bag off light could be indicating the passenger side air bag being off for a few reasons- 1) there isn't anyone sitting in the passenger seat, 2) the weight of the passenger is to low for the air bag to function properly(also a purse or package could cause this), 3) the passenger weight sensor could be malfunctioning. 3rd) I recommend having a professional do this- but there are 2 screws behind the interior door handle and maybe two on the on the bottom that will be visible(been a while since I took one off). Once the screws are removed use a plastic wedge around the bottom to pop the clips loose and continue all the way around the door panel. Then lift up on the panel to loosen the top. 4th) It may sound really simple, but try removing the 3rd(center) brake light bulb and see if the noise goes away. If it does, try a new bulb first, if the noise is still there check the rear body grounding point and clean if needed. If the noise is still there the antenna amplifier may be bad.
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