I have a 1992 300ce with the m104 dohc. It has the ram air into that start off at next to the aux fans and leads to a box over the throttle body. My question is what is that sensor on the right side of the box. Mine looks REALLY old and useless. Its dried up, discolored and falls out a lot. So most of the time its not even in while I am driving. Is that bad. Beacuse I do get pretty bad gas milage, I get about 12 mpg.

Every time I start my car I kinda chock over the fumes from the gas in the exhaust.

Thanks in advance.

IAT sensor...Air Intake Temp

Change it...it is making your car run rich...

http://catalog.peachparts.com/ShopByVehicle.epc?q=1992-Mercedes--benz-300ce-Fuel--Injection&yearid=1992%40%401992&makeid=63%40%40MERCEDES%2DBENZ%40%4063&modelid=6176%3AMBC%7C1498%3AED%7C10000018%40%40300CE&catid=240621%40%40Fuel+Injection&subcatid=240673@@Air+Temp%2E+Sensor&mode=PA

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A Dalton

Thank you very much.
Much appreciated.

My '89 300CE (M103) has always gotten in the low twenties, from when I purchased it from the original owner with 75k miles up to its current 210k miles. Something's wrong with yours.