Originally Posted by benzoram9
Michael either your the god of mercedes or just smart with cars... but it ended up being codes P0170 and P0173. Thanks a lot for everyones help.
I wish this was true! Unfortunately I am just one of several that have MAF issues. Before you go out and spend $300 to $400 on a new one. Do the following:
You could probably find this by doing a search, but here is how you do it:
1. Remove MAF from car. You may need a screwdriver to loosen the worm-drive clamp. (Depends on my model) You will also have to disconnect the electrical plug on the side. You probably will also have to unsnap the air filter housing.
2. Remove the insert using torx secruity bits. These can be obtained from pretty much any auto parts store or Harbor Freight, Sears etc.
3. Spray the wire with CRC Mass Air Flow Sensor cleaner. Also should be able to obtain locally. Costs about $6. Spray the wire like crazy. The first time I did mine, it was not enough. Really spray it well. Let it air dry.
4. Reassemble and put back in car.
You might want to check you air filter while you are at it.
You will have to have the codes cleared. Either with an OBDII scanner or disconnect the battery for 30 minutes.
If this does not fix the problem, contact germanstar. The MAF insert is about $130. No point in paying upto $270 more for a plastic housing.
Mercedes Parts, Mercedes Benz Parts