2000 Mercedes Benz ML320 GEAR SHIFTER LOCKOUT

2000 MERCEDES BENZ ML320
111,200 MILES • 6 CYL • AWD • AUTOMATIC
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RPSTARR
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WHEN I START THE CAR ALL OF THE DASH LIGHTS GO OUT AS USUAL - THEN WHEN I DEPRESS THE BRAKE PEDAL THE BAS/ESP LIGHT COMES ON AND I CAN'T SHIFT OUT OF PARK - WHEN I MANUALLY OVERIDE THE LOCKOUT SYSTEM THE CAR DRIVES FINE (THE BAS/ESP LIGHT STAYS ON) - EVERY TIME I START THE CAR IT DOES THE SAME THING.

IS THIS TIED TO THE BRAKE LIGHT SWITCH??

THOUGHT ABOUT LOW VOLTAGE BUT HAVE HAD NO PROBLEMS WITH STARTING !!
Aug 23, 2010 at 2:35 PM
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DAVE H
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Hello .. thanks for the donation .. much appreciated Have the car plugged into a diagnostic computer to check for fault codes stored ... check for leaks around the master cylinder area .. it could be a faulty/leaking brake pressure sensor !


https://www.2carpros.com/forum/automotive_pictures/266999_merc_20.jpg

Aug 24, 2010 at 4:19 AM
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RPSTARR
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CHECKED AND I HAVE NO NEW OR OLD CODES-

CHECKED FOR FLUID LEAKS AROUND MASTER CYLINDER AND BOOSTER. NO LEAKS AND RESEVOIR FULL-

NOW THE FUN PART ABOUT CARS - YESTERDAY THE BAS/ESP LIGHT STOPPED COMING ON WHEN I DEPRESSED THE BRAKE AND THE SHIFTER CAME OUT OF PARK - HAS BEEN OPERATING NORMALLY EVER SINCE ?????
Aug 24, 2010 at 11:22 AM
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DAVE H
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It could have been a low voltage supply problem to the brake sensor ? as you suspected ... let me know if anything changes in the future


https://www.2carpros.com/forum/automotive_pictures/266999_smiley3_23.png

Aug 25, 2010 at 3:17 AM