E-Class (W211) 2003-2009

glow plug controller

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Old 12-09-2018, 09:14 PM
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Mercedes Benz E350 W212 -2010
Question glow plug controller

hello guys! my glow plug control unit has been acting up so I ordered a new one. when i got it I saw that they looked different and it looks like the original has some sort of intake on it. does someone know if there are different models and one i newer or what is up with them?

mercedes w211 e350 cdi
Old 12-10-2018, 09:46 AM
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2005 E320 CDI
Mine didn't have an intake. Are you sure you're comparing the correct component? An air intake sounds more like a turbo pressure sensor.

My glow plug control unit was a matchbox sized electrical box under the intake manifold with a single plug and held in by two screws. It should have been a breeze to replace but the screws were incredibly hard to reach with my fingers.

Peter
Old 12-10-2018, 10:57 AM
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Mercedes Benz E350 W212 -2010
the one I ordered is what autodoc said would fit my car.

original one

new one

Last edited by phaiL; 12-10-2018 at 11:00 AM.
Old 12-10-2018, 11:12 AM
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2013 ML350 Bluetec
Intake?
Main power line in (heavy gauge, goes in the round hole)
individual glow plug wires out (smaller, 6 of them, and maybe a data line or two, plugs into the oval hole).
What intake are you referring to?
Old 12-10-2018, 12:35 PM
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Mercedes Benz E350 W212 -2010
the circle thing on the original one looks like it is for a thermostat or something with the air, and the new one does not have that even though I ordered the recomended model on autodoc
Old 12-23-2018, 10:15 AM
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2005 E320 CDI
Wait? Is this a W211 car or W212 car? What year is it?

Peter
Old 12-23-2018, 11:45 AM
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1922 Ford Model T / no OBD
Did you try it?
MB constantly changes the designs and I run into EPC that for some sensors was listing up to 8 updates.
Than I run into couple of parts on my cars, that even google could not find. One of them was O2 sensor, so not unique part.
But EPC when you enter VIN will always show the latest part for your car and I would not buy such part from a seller who doesn't compare it to my VIN.

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