Latest cars are progressively pre-loaded with new technologies, apart from the comfort of use it can provide, technology also has the advantage of saving fuel or reducing the pollution emitted by our cars. This is precisely the subject of our content page of the day, we are going to look at the problems of the lambda sensor on Mercedes Benz C Class , this sensor also known as oxygen sensor plays an essential role. To find out, first, we are going to find out what a lambda probe is used for, then, what are the lambda sensor problems on Mercedes Benz C Class and how to fix them.
What is a lambda role on Mercedes Benz C Class?
So we start our content page with the benefit of a lambda sensor on Mercedes Benz C Class , we will first discover what is the task of this probe and then how it works.
Role of a lambda sensor on Mercedes Benz C Class
First created by Volvo in the 1970s, it began to show up on our cars in the 1990s with the first EURO 1 emission requirements. Also called oxygen sensor on Mercedes Benz C Class , its objective is to regulate the amount of oxygen in the exhaust gases, this will enable the engine unit to change the air/fuel mixture to reduce the pollution emitted by the motor vehicle and lower the car’s fuel consumption.
Lambda sensor procedure on Mercedes Benz C Class
Before explaining you the different problems of lambda probe on Mercedes Benz C Class , we will look a little more in outline at its working to allow you to understand exactly how it works and thus to consider more serenely the correction of a problem associated with it.
As we told you, a lambda probe has the job of managing the amount of oxygen present in the exhaust gases . One could naively think that this data is measured upstream of the combustion but it is on the contrary measured at the engine outlet . With the EURO 1 standard there was only one lambda sensor needed before the catalyst, but with the arrival of more drastic requirements there are now 2 lambda sensors, one before and one after the catalyst . The benefit is to have more precise data by compiling the two probes. These data are sent to the ECU which will modify the quantity of air and gasoline inserted into the engine unit to optimize the combustion .
Lambda sensor problem on Mercedes Benz C Class
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At last, we are now going to attack the section you are obviously most keen on this content page, how to handle it if you have a lambda sensor problem on Mercedes Benz C Class . In a first step we will see how to identify a lambda sensor HS and in a second step how to change it.
How to know if a lambda sensor on Mercedes Benz C Class is HS
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It is essential to know that a lambda sensor has in general a lifetime of 150 000 km , this statistics can differ according to the year of your Mercedes Benz C Class, your driving, and the good performance of your engine unit. A poorly maintained engine unit that emits unburned gases may permanently damaged your lambda sensor. One of the clues that can warn you of a defective lambda sensor on Mercedes Benz C Class may be the engine unit light comes on, if you want to turn off the engine light of your Mercedes Benz C Class, do not think twice to consult our dedicated content page to discover the process to stick to. The only effective method to ensure that you have a lambda sensor problem on your Mercedes Benz C Class and to pass your car to the diagnostic case, for that do not think twice to consult our guide which explains you Mercedes Benz C Classhow to read the fault code of a Mercedes Benz C Class. Please note that if you have problems with one of your lambda sensors, the only solution to correct them will be to change the defective sensor.
How to change a lambda sensor on Mercedes Benz C Class?
And finally, we are going to focus on the correction of lambda sensor problems on Mercedes Benz C Class , by detailing how to replace a lambda sensor.
The replacement of a lambda sensor is quite very easy to accomplish and you will be able to do it yourself with a minimal of tools and mechanical knowledge. A lambda sensor is worth between 25 and 50€ , it is better to change the 2 lambda sensors present upstream and downstream of your catalytic converter because if one of them is defective the second one risks to drop you quickly. To replace it, it will be required to put your Mercedes Benz C Class on candles and at the level of your catalyst unscrew your probes, disconnect them, reconnect them and screw the new ones . Once re-connected, you should not have any more problems with your lambda sensor on Mercedes Benz C Class.
If you need more tutorials on the Mercedes Benz C Class, go to our Mercedes Benz C Class category.
