The role of the lambda sensor of your C-CLASS (W203) is to measure how much oxygen the exhaust gasses contain at the engine exit. This information is then used to adjust the fuel-air rate in the fuel/air mixture accordingly. The goal being to obtain the best mixture possible
If the lambda sensor fails, the transmitted information is no longer correct resulting in a decreased fuel economy.
Mister-Auto has a selection of quality brand lambda sensors for your MERCEDES-BENZ $serie C-CLASS (W203).
You will find parts from Bosch, NGK, Delphi or Febi Bilstein at bargain prices.
To find out which lambda sensor references are suitable for your car, we recommend you enter your reg or select yyour MERCEDES-BENZ $serie C-CLASS (W203)'s engine type in the drop down menu.
Sale of Lambda Sensor MERCEDES-BENZ C-CLASS (W203) by engine