Engine

Step-by-step instructions on changing the oxygen (O2) sensor in your car. Is the check engine light on because of a bad oxygen sensor? You don’t have to spend your life savings replacing a defective O2 sensor. Here we will show you the steps to replace an oxygen sensor successfully. An …

In this repair guide, we will show you how to replace the starter on a Mercedes-Benz. These instructions should apply to several Mercedes-Benz models, such as the C, E, ML, CLS, SLK, CLK-Class, and S-Class. In this case, we replace the starter on a C-Class W203. If you have a …

Below, you will find step-by-step instructions with pictures on removing and installing a new engine oil sensor on a Mercedes-Benz engine. Part numbers related to the oil level sensor are shown below; there could be more. The oil level sensor (B40) measures the oil level, the oil temperature, and the …

Check the maintenance schedule for your specific model. Many Mercedes-Benz models in this range specify engine air filter replacement at about 40,000 miles or 4 years under normal conditions. Replace it sooner when driving in dusty conditions. There are two engine air filters on these models, and both sit on …

Step-by-step instructions on replacing the valve cover gaskets on the Mercedes-Benz M112 V6, fitted to the C-Class, CLK, E-Class, ML, S-Class and SLK. The full application list and part numbers are at the foot of this page. When the valve cover gasket leaks oil, it drips on the exhaust manifold. …

Instructions on replacing the power steering pump or the power steering reservoir on Mercedes-Benz V6 and V8 cylinder engines, such as the M112 and M113 engines. Symptoms of power steering failure include: Whining or squealing noises The steering wheel is difficult to turn Loss of steering assist Before replacing a …