C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Ned help: P0221 code and "Light Sensor-Drive to Workshop" message.

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Old Mar 21, 2013 | 10:22 PM
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Ned help: P0221 code and "Light Sensor-Drive to Workshop" message.

Hey guys,

Need your input on this. I know the P0221 error code is the Throttle Position Sensor. I also have a "Light Sensor-Drive to Workshop" on the display. Are these two issues related to each other? Don't know why a light sensor issue would require me to drive to the workshop?

Also, is my P0221 error more in relation to a dirty MAF? The car does have the K&Ns oiled from the factory (I haven't cleaned and re-oiled them).

TIA for your expertise.

This is for my dad's C320.
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Old Mar 24, 2013 | 03:06 AM
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No one?
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Old Mar 24, 2013 | 03:21 AM
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06 C230 SS 6spd
The light is the sensor by the rest view mirror I believe and sometimes the kn filters oil gets the maf dirty. get some maf cleaner and clean it and clear the code to see if it comes back.
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Old Jul 15, 2013 | 08:21 PM
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This issue was resolved by cleaning the MAF with CRC MAF cleaner and clearing the codes. Must be the K&Ns fouling the MAF??? Need to clean the MAFs on my other cars since they all have K&Ns.
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