C32 AMG, C55 AMG (W203) 2001 - 2007

sensor that regulates air into the engine

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Old Sep 14, 2012 | 02:44 PM
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Mercedes Evo II
sensor that regulates air into the engine

what is it called exactly? In germany they told me a sensor you change every 30 000 miles and controls the amount of air that goes inside the engine... Thanks a lot!
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Old Sep 14, 2012 | 03:29 PM
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Maybe mean the "Air Temperature sensor",, do you have a C32 or C55.....??

ZAYED,,
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Old Sep 14, 2012 | 03:51 PM
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G63, C190 AMG GTC, W209 CLK63 BS, W208 CLK430
Throttle Position Sensor, Mass Airflow Sensor, Intake Air Temperature sensor, and Manifold Air (or Absolute) Pressure sensor could all be possibilities for such a general description.

I wouldn't think that you NEED to change any sensor every 30k miles though
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Old Sep 14, 2012 | 03:56 PM
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From: A.D., U.A.E
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Originally Posted by VividRacing
Throttle Position Sensor, Mass Airflow Sensor, Intake Air Temperature sensor, and Manifold Air (or Absolute) Pressure sensor could all be possibilities for such a general description.

I wouldn't think that you NEED to change any sensor every 30k miles though
Agreed...

*About the C32,, it well be "2" things that controls the amount of the Air goes inside the Engine,, "Air Mass Sensor" & "Air Temperature sensor"

*About the C55,, it well be only the "Air Mass sensor",, NO "Air Temperature sensor" in the V8 M113,, isn’t....?!?!

ZAYED,,
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Old Sep 14, 2012 | 04:26 PM
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I'm thinking he was referring to the mass air sensor.
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Old Sep 14, 2012 | 04:53 PM
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As i know; the "MAF" counting the density value of the air,, is that correct.......??

ZAYED,,
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Old Sep 14, 2012 | 05:00 PM
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MAF is just a hot wire with a voltage signal (0-5V) going to the ECU that fluctuates as air flows past it. So it only reads airflow. The ECU uses this value plus the known diameter of the MAF housing to calculate the amount of air coming in.

Last edited by VividRacing; Sep 14, 2012 at 05:05 PM.
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Old Sep 14, 2012 | 05:13 PM
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That’s a value & great info. Thankss alot.....

ZAYED,,
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Old Sep 14, 2012 | 05:33 PM
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Originally Posted by VividRacing
Throttle Position Sensor, Mass Airflow Sensor, Intake Air Temperature sensor, and Manifold Air (or Absolute) Pressure sensor could all be possibilities for such a general description.

I wouldn't think that you NEED to change any sensor every 30k miles though
thanks! could it be the mass airflow sensor. They told me not enough air getr within the engine which caused the car to stall (extremely rarely)
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Old Sep 14, 2012 | 10:39 PM
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If you have a C55 then it has a MAF but if you have a C32 then it does not have a MAF, it has a MAP sensor and I doubt this would affect idle.

If a dealer, they probably want to sell you a new throttle body assembly.
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Old Sep 15, 2012 | 06:22 PM
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thanks mate. Its a heavely modified c55. Its my tuner Vath in Germany that told me to check it when i get back to Switzerland...
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Old Sep 15, 2012 | 09:17 PM
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thanks mate. Its a heavely modified c55. Its my tuner Vath in Germany that told me to check it when i get back to Switzerland...
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Old Sep 17, 2012 | 03:06 PM
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That would make sense then if it is a heavily modified C55.
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