Check Engine Mercedes P2004 Code The intake manifold air flap lever is a common failure point for Mercedes-Benz cars equipped with the M272 (350) and M273 (550) engines. When this component fails, your Mercedes-Benz will turn on the check engine light triggering any of the following codes: P2004 – Intake …
Read More »Mercedes Lowers Drops When Parked – Air Suspension – Self Leveling Problems
This week we are troubleshooting a Mercedes-Benz S-Class that lowers itself when parked. Mercedes-Benz lowering is intermittent. In some cases, the car will drop itself overnight but not always. If the vehicle is parked on an incline or downhill, the raising or lowering when parked may stop. There are many …
Read More »How to Troubleshoot Mercedes airmatic suspension with YOUCANIC Diagnostic Scanner
If you are experiencing problems with the airmatic suspension on your Mercedes-Benz, don’t panic. You could troubleshoot most airmatic problems yourself using the right diagnostic scanner. While Mercedes Star Diagnostic Scanner SDS C3 or C4 is what is used at dealerships, there are other scanners that you can use to …
Read More »Troubleshooting Mercedes Windshield Washer Problems
Are you experiencing problems with the windshield washer on your Mercedes-Benz? This article will help you troubleshoot problems such as windshield fluid not coming out or windshield washer fluid pump not working. It is important to accurately diagnose the problem before you rush to replace the windshield washer fluid pump. Symptoms Windshield Washer …
Read More »How To Fix Mercedes-Benz Ticking Sound in the Dashboard Problem
Symptoms: Noise Under the Dash When you start your Mercedes-Benz, or even just turn the AC on, you hear a clicking sound (at times a shhh sound) from the dashboard. The sound lasts for about 20 seconds and then goes away after approximately 5 minutes. Later on, however, the ticking …
Read More »Mercedes – 722.9 7G-Tronic Valve Body & Conductor Plate – Must Read
Defective valve body and conductor plate issues have affected many Mercedes-Benz cars with 722.9 7G Tronic Automatic Transmissions. If these parts fail, they will require replacement to extend the life of the transmission. The early 722.9 transmissions installed on Mercedes-Benz models between 2004-2008 had a higher failure rate. Most of …
Read More »Mercedes Flex Disc Problems, Symptoms, Cost
What is a flex disc? A flex disc or a giubo is a coupling device made of hard rubber. Input and output shaft flanges are bolted to the Mercedes Flex Disk on either side (see picture below). The transmission shaft, drive shaft, and differential are not connected directly; they are …
Read More »Mercedes Thermostat Replacement DIY Guide
In this article, we will show you how easy it is to replace the coolant thermostat on your Mercedes-Benz engine. The thermostat stays closed from the time you first start the motor until the engine operating temperature is reached. At that point, the thermostat opens up and allows the coolant …
Read More »Mercedes Wiring Diagram – Free Resources
This page provides links to websites that contain Mercedes-Benz wiring diagrams and schematics. Bookmark this page as it contains invaluable resources. Our goal is to keep the resources on this page updated at all times. If you know of any website that we should add to this list, please send …
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