2002 Mercedes Benz S430 Suspension Air Pump

Tiny
SAMAUTO
  • MEMBER
  • 2002 MERCEDES BENZ S430
  • V8
  • 2WD
  • AUTOMATIC
  • 91,481 MILES
What could cause the pump to stay on with the car turned off?
Saturday, April 3rd, 2010 AT 11:02 AM

1 Reply

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Could be a stuck relay, a leak in the system, a height sensor telling it to stay on. Many different things. Your best bet would probably be to have the suspension system scanned to see if it has stored any fault codes that could eliminate the guess work.
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Monday, April 5th, 2010 AT 7:40 AM

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