W210 AMG Discuss the W210 AMG's such as the E50, E55, and E60

Bad MAF?

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Old Jun 1, 2010 | 09:58 AM
  #1  
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13' E550, 14' Ram, 99' E39 wagon
Bad MAF?

So yesterday the check engine light came on but didn't notice any difference in driveability.

This morning i stopped at a light and the car stalled, cold sweats begin. Continue on my way to work and it started hesitating and studdering at low speeds, also the tranny was acting weird, it would shift harder than normal, downshift when not suppossed to. Get to the parking lot and gun it but it woudn't catch.

I've had these symtoms before on my other cars and it was the MAF. I haven't read the codes either but from what i read these are the symptoms of a bad MAF. Or could it be a bad crank sensor?
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Old Jun 1, 2010 | 01:16 PM
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Crank sensor would have shut the motor off.I would suspect the MAF.
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Old Jun 1, 2010 | 03:20 PM
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13' E550, 14' Ram, 99' E39 wagon
I'm pulling codes after work. Will post for those interested
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Old Jun 1, 2010 | 04:36 PM
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How long have you had MAF? Could it maybe be spark plugs or a change of tranny oil?
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Old Jun 1, 2010 | 08:17 PM
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13' E550, 14' Ram, 99' E39 wagon
Code p0100 new maf tomorrow
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Old Aug 17, 2011 | 09:44 AM
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2001 slk320
hi, new here. Can anybody tell me what codes P0100 and P0110 are ?
Car has a bad hesitation when you hit the gas. other than that it idles and runs ok.
The car has also been sitting for over a year.
Help,
steve
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Old Aug 17, 2011 | 10:57 AM
  #7  
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W210 E55
Google is your friend.

http://www.obd-codes.com/p0100
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Old Aug 17, 2011 | 11:10 AM
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2001 slk320
Thanks!!! codes P0100 and P0110

looks like MAF and AIT sensor(whatever that is)
Any idea where this sensor may be located?
Thanks for your help!!!
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Old Aug 17, 2011 | 11:10 AM
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2001 slk320
whoops meant IAT sensor
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Old Aug 17, 2011 | 01:03 PM
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Originally Posted by stevek62000
whoops meant IAT sensor
IAT = Intake Air Temperature
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Old Aug 18, 2011 | 08:26 AM
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2001 slk320
bas/esr light

I have a 2001 SLK320 i just purchased.I'm new to the mercedes world having owned mostly BMW's.I'm working on a few issues with the car.
One is the BAS/ESR light is on.After reading many posts it looks like the first place to start is the brake light switch.I'm picking one up today.
Can anyone tell me how difficult it is to get at this switch? Also, is there a reset of these lights after I put the switch in?
Any help is much appreciated.
Thanks!!!!!!
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Old Aug 18, 2011 | 08:29 AM
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Originally Posted by stevek62000
I have a 2001 SLK320 i just purchased.I'm new to the mercedes world having owned mostly BMW's.I'm working on a few issues with the car.
One is the BAS/ESR light is on.After reading many posts it looks like the first place to start is the brake light switch.I'm picking one up today.
Can anyone tell me how difficult it is to get at this switch? Also, is there a reset of these lights after I put the switch in?
Any help is much appreciated.
Thanks!!!!!!
Can't speak for replacing the switch but I would recommend going to harborfreight.com and picking up a OBDII code reader ( cheap ! ) to allow you to read the codes and reset everything !
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Old Aug 18, 2011 | 08:46 AM
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2001 slk320
Thanks
I do have a reader however you can't reset the bas/esr light from that.
Maybe i need a better reader??
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Old Aug 18, 2011 | 09:30 AM
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Originally Posted by stevek62000
Thanks
I do have a reader however you can't reset the bas/esr light from that.
Maybe i need a better reader??
Nah , I thought it might throw a code.I would expect the the light to go out once the switch is replaced.
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Old Aug 18, 2011 | 12:15 PM
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503C43 ////AMG's Avatar
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Originally Posted by stevek62000
I have a 2001 SLK320 i just purchased.I'm new to the mercedes world having owned mostly BMW's.I'm working on a few issues with the car.
One is the BAS/ESR light is on.After reading many posts it looks like the first place to start is the brake light switch.I'm picking one up today.
Can anyone tell me how difficult it is to get at this switch? Also, is there a reset of these lights after I put the switch in?
Any help is much appreciated.
Thanks!!!!!!
You are in the wrong section, this is the W210 E55 part of the forum and you have an R170 SLK. You would get more informed responses from people who actually own the same vehicle, that being said I posted a thread in the correct section with screen shots from the WIS.

Here is a link:
https://mbworld.org/forums/slk-class...ml#post4798229

I would suggest that you post your questions in that section

I hope this helps
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