W221 (2006-2013)

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. Once the engine warms up and the exhausts get hot, …

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 are: Whining or squealing noise Wheels are difficult to turn Hard steering Before replacing a power steering pump, …

Mercedes Benz Wheel rim Bolt Pattern Reference Table. Look it up by chassis or by year and model. The first number, 5, indicates the number of bolt holes. The second number, for example, 112, is the circle’s diameter created by the 5 bolts in millimeters. If you will install bigger …

How do you fix the headliner material that is falling and sagging? We spent some time fixing the ceiling material this weekend, which started to sag down on a C Class. This is a common problem on older Mercedes-Benzes, not just the C Class but also the E Class, S …

  Are you trying to find the location of the Oxygen O2 sensors in your Mercedes Benz? Well, pictures are worth a thousand words, so here is one. Look at the picture; it will show where the Oxygen O2 sensors are located. If you are trying to find any of …

This guide will show you how to replace the Mercedes-Benz mass Air Flow (MAF) sensor. If you get any of these codes, P0100, P0101, P0102, P0103, and P0104, you most likely need your MAF replaced. Some of the most common symptoms of a bad Mass Air Flow sensor in Mercedes-Benz …

The transmission 13-pin connector plug causes most transmission slipping or delayed engagement problems on the Mercedes-Benz 5-speed transmission. “A leaking connector sleeve can allow ATF into the electrical connector and wiring harness. If fluid contaminates the electrical contacts or migrates toward the transmission control module, transmission faults and communication problems …

Mercedes-Benz vehicles equipped with Sensotronic Brake Control, also known as an electrohydraulic brake-by-wire system, may have been greeted with the “Brakes Defective Stop Vehicle” error message in your instrument cluster. Several faults can trigger brake warnings on Mercedes-Benz vehicles equipped with SBC. The operating time of Component A7/3 is exceeded. …

Is your air conditioner A/C not working or blowing hot air? The air conditioning system can get very complicated in cars, but that doesn’t mean that you can’t perform some troubleshooting yourself. Maybe even charge the A/C system if needed. This article provides an overview of the A/C system, common …