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2002 ML320, 2003 A160, 2002 ML500, 2018 GLS350d
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But pump must be wrong inside tank... Says empty.
Maybe pump sensor is correct. Maybe tank is empty, and old pump sensor was faulty. Causing incorrect assumption about fuel level.

For avoidance of doubt, add 5 L (1.5 gallons) of gasoline, then try ignition key.
 

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Maybe pump sensor is correct. Maybe tank is empty, and old pump sensor was faulty. Causing incorrect assumption about fuel level.

For avoidance of doubt, add 5 L (1.5 gallons) of gasoline, then try ignition key.
Turned over didn't stay started. Runs about 2 seconds dies...every time 5/6 tries.exact same way dies. ??? What now??
 

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2003 ml500, 2004 ml350
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White usually means Something like a blown head gasket ( coolant is getting into combustion)

But you are not getting the engine to operating temp, so it probably just residual mositure. A blown gasket is usually not enough to prevent a car from starting and running.

Have you checked fuel pressure at the rail in the 2 minutes of run time while running
 

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White usually means Something like a blown head gasket ( coolant is getting into combustion)

But you are not getting the engine to operating temp, so it probably just residual mositure. A blown gasket is usually not enough to prevent a car from starting and running.

Have you checked fuel pressure at the rail in the 2 minutes of run time while running
See above..yes. Had half tank added more just in case.
 

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Alarm LED is still in same place on older vehicles with single DIN radio.
that radio set up... Plenty in Schrader almost seems like maf. Swapp

Yes. I said plenty in the Schrader . no issues with the pressure... This has turned into such a cluster Fudge!!!
 

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Watch alarm LED while turning key to position 2. It should blink once.

It blinked once /// staying in pos.2 it keep blinking. Then on way back to off it blinked once again. .. I remember someone messing with the buttons on key the other day. Don't know what was pushed/ in which order...
 

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It blinked once /// staying in pos.2 it keep blinking. Then on way back to off it blinked once again. .. I remember someone messing with the buttons on key the other day. Don't know what was pushed/ in which order...
You have all the symptoms of key not being recognized by vehicle.

Read through this.
 

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You have all the symptoms of key not being recognized by vehicle.

Read through this.
WOW !!! Ok.. Is there a way to just push the buttons on it to reprogram it??
 
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