Is your Mercedes-Benz greeting you with an “SOS TeleAid not Activated” or “SOS Defective Please Visit Workshop” warning on your Instrument Cluster? Many early Mercedes-Benz TeleAid systems relied on legacy cellular technology that is no longer supported in the United States. As a result, some vehicles may display TeleAid-related warnings …
Read More »How to Check Mercedes-Benz Automatic Transmission Fluid Level
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 …
Read More »DIY How to Repair a Windshield Rock Chip or Bullseye
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. Â It is better to repair a rock chip …
Read More »How to Pair an Android or iPhone with Mercedes-Benz Bluetooth
Are you trying to pair your Bluetooth-enabled smartphone with your Mercedes-Benz? You should be able to do so on most newer Mercedes-Benz cars made after 2010. First, you need to make sure you have Bluetooth in your car. Next, you can follow the instructions below on how to pair your …
Read More »Mercedes-Benz Wheel Bolt Pattern Guide
Use this Mercedes-Benz wheel bolt pattern reference table to look up specifications by chassis, year, and model. The first number is the number of bolt holes. The second number is the pitch circle diameter in millimeters. For example, 5 × 112 means five bolt holes on a 112 mm circle. …
Read More »How to Fix a Sagging Mercedes-Benz Headliner
How do you fix a sagging headliner? This weekend, we repaired a sagging headliner in a Mercedes-Benz C-Class. This can affect many older Mercedes-Benz models, including the C-Class, E-Class, S-Class, and M-Class. We wanted to show you what we did. The fabric can also separate from the sunroof shade panel. Sagging …
Read More »Location of O2 Oxygen Sensor
Are you trying to find the location of the 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 O2 sensors are located. The diagram identifies Bank 1 Sensor 1, Bank 1 Sensor 2, …
Read More »Air Conditioner Troubleshooting Guide & Diagnosis
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 …
Read More »Check Engine Light ON? Service Engine? Simple Self Troubleshooting Guide
How to diagnose Mercedes-Benz Check Engine Light (CEL) problems. Is your check engine light on? Did the check engine light come on while driving? Don’t panic. When the check engine light turns on in your instrument cluster, the computer in your car has noticed that the engine is not running at its best performance or …
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