W220 (2000-2005)

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. To …

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 …

You insert the key into the ignition, but your Mercedes-Benz won’t start or crank. You notice that in the instrument cluster, you get the message “Computing Data Please Wait” and the key symbol shown in the picture above. This happens because either you are using a new key or one …

How to replace the alternator on a Mercedes-Benz. If your instrument cluster displays a warning such as ‘Battery/Alternator Defective. Visit the workshop,’ do not assume that the alternator needs to be replaced immediately. First, test the battery and charging system to confirm the cause of the warning. In this article, …

This procedure applies to Mercedes-Benz models equipped with the 722.6 5 speed automatic transmission and a service dipstick tube. It does not apply to the 722.9 7 speed transmission, which uses a different fluid level procedure. If you were wondering, low transmission fluid could show the same symptoms as a …

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 air filters in your Mercedes-Benz. They are both on the …

Easy step by step photo and video instructions for repairing a windshield rock chip or bullseye. Repairing a small windshield chip is a straightforward DIY job, even if this is your first time. So go ahead, do it all yourself; it’s easy.  It is better to repair a rock chip …

Step-by-step instructions on replacing the valve cover gasket on Mercedes-Benz V6 and V8 engines found on the E-Class, C-Class, ML-Class, and many other models. When the valve cover gasket leaks oil, it drips on the exhaust manifold. As the engine warms up, oil on the exhaust manifold burns, and the …

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 …