Are the BAS, ASR, and ABS lights staying ON in your Mercedes-Benz? This article will show you how to troubleshoot BAS/ASR light problems. What ASR, BAS, and ABS lights mean. Common problems and possible solutions. Common Mercedes-Benz BAS and ASR problems ABS/ ASR/ BAS Fault Codes BAS/ASR Light Stay On …
Read More »Mercedes P2004 Problem, DIY FIX
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, the check engine light will turn on in your Mercedes-Benz, triggering any of the following codes: P2004 – …
Read More »Mercedes-Benz Lowers or Drops When Parked: Airmatic Self Leveling Problems, Level Sensors and Calibration
This week, we are troubleshooting a Mercedes-Benz S-Class that lowers itself when parked. Â Mercedes-Benz lowering is intermittent. Â In some cases, the car will drop itself overnight, but not always. Â 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-Benz Airmatic Suspension With a Full System Scanner: Tests, Codes and Compressor Run Time
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 the factory Star Diagnostic system is what dealerships use, there are other scanners that you can use to perform Mercedes-Benz troubleshooting, such as …
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 the 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 …
Read More »Mercedes Ticking or Clicking Sound in the Dashboard: Stepper Motor Fix
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 replacements to extend the life of the transmission. For the wider picture on this gearbox, see our guide to its common problems and solutions. The …
Read More »Mercedes Flex Disc Symptoms, Replacement and 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). Â 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 …
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