W140 (1991-1998)

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 to 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 the older Mercedes Benz and not just on the C class, but the E …

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 these …

The transmission 13-pin connector plug causes most transmission slip or delayed engagement problems on the Mercedes Benz 5-speed transmission. It leaks transmission fluid to the 13-pin connector and causes the car to lose communication with the valve body. This is a common problem with the Mercedes Benz cars from 1998 …

Is your air conditioner A/C not working or blowing hot air? The Air Conditioner 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 will overview the A/C system, common problems, and …

Problem: Interior Vibrations Are you feeling vibrations inside the cabin of your Mercedes? Often MB owners feel seat vibrations that can’t be explained because the car runs great in most cases. Vibrations may be felt on the steering wheel or dash and are most noticeable when stopped at a red …

Have you ever wondered what maintenance you should perform on your Mercedes Benz at a specific mileage? Follow these recommended service intervals and avoid things like this:   This is a rotor on an ML that I worked on. This Mercedes Benz was driven for a long time without any …