HI ALL!! Can MAF sensor in ML430 be cleaned instead of replaced?
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From: Orange, CA
Mercedes ML430
HI ALL!! Can MAF sensor in ML430 be cleaned instead of replaced?
Can the MAF (mas air flow) sensor be cleaned ad where is it located? Can I get to it without removing engine cover? thanks all!!
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2005 E500 4matic, 99 ML 430, 90 E300
It is on the passenger side of the engine past the airbox. There is a round tube with a
connector on it. That connector is plugged into the MAF. Unplug it and remove the 2 screws.
Then gently pull the MAF sensor out.
There are many opinions on cleaning them. Some have had great luck others not so great.
Seeing as the just that little part can be purchased as a Bosch part for a lot less than the
dealer price (which includes a new round plastic tube) I would just replace it if it were my
ML 430.
Did you get a code that indicated the MAF is shot or are you trying to prevent failure or
prolong the life of the MAF sensor?
IMO I would just leave it if it is not acting up and replace it when it does.
connector on it. That connector is plugged into the MAF. Unplug it and remove the 2 screws.
Then gently pull the MAF sensor out.
There are many opinions on cleaning them. Some have had great luck others not so great.
Seeing as the just that little part can be purchased as a Bosch part for a lot less than the
dealer price (which includes a new round plastic tube) I would just replace it if it were my
ML 430.
Did you get a code that indicated the MAF is shot or are you trying to prevent failure or
prolong the life of the MAF sensor?
IMO I would just leave it if it is not acting up and replace it when it does.
Thread Starter
Member
Joined: Oct 2009
Posts: 80
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From: Orange, CA
Mercedes ML430
well I have the check engine light on and I researched that it might be the MAF along with the fact that it only starts when engine is cold (will not start after being driven) so that is probably the CPS, I decided that I may as well do both if they are accessible. what do u think about the combination of both of those problems? thank you
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2005 E500 4matic, 99 ML 430, 90 E300
We need to get the codes to make sure.
Run it by Advance or Autozone and they will be able to pull codes for that part of the system.
If I recall a P0170 and P0173 code can indicate a MAF issue.
Run it by Advance or Autozone and they will be able to pull codes for that part of the system.
If I recall a P0170 and P0173 code can indicate a MAF issue.
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2005 E500 4matic, 99 ML 430, 90 E300
Forgot to mention that if the code id P0170 it is most likely MAF replacement time.
I am assuming that you have changed the air filter to a clean one. Also that if an oil
change was done that you are using Mobil One 0w40. It is one of the few oils approved
for theses engines.
I am assuming that you have changed the air filter to a clean one. Also that if an oil
change was done that you are using Mobil One 0w40. It is one of the few oils approved
for theses engines.
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2005 E500 4matic, 99 ML 430, 90 E300
I would post this in the W164 forum. You are in the W163 forum.
Here is a link from the W164 forum.
https://mbworld.org/forums/m-class-w...indicator.html
Here is a link from the W164 forum.
https://mbworld.org/forums/m-class-w...indicator.html
Last edited by LeviDenim; Oct 9, 2009 at 10:05 PM.
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2005 E500 4matic, 99 ML 430, 90 E300
Nickcat posted a service reset question on a 2008 ML W164 chassis. Resetting the service
indicator is much different than the W163.
This was not in response to your MAF problem.
Not even sure why he posted a service reset question in this thread or this forum.
indicator is much different than the W163.
This was not in response to your MAF problem.
Not even sure why he posted a service reset question in this thread or this forum.
