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 »Brake defective Stop Vehicle! SBC Brake Failure Error CODE C249F Fault
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. …
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 »Vibrations and Shaking Inside a Mercedes-Benz Cabin.
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 …
Read More »Recommended Maintenance by Mileage / Year
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 care. Not …
Read More »Mercedes-Benz SRS Malfunction: Airbag Light Troubleshooting
Is the SRS or airbag warning light on in your Mercedes-Benz instrument cluster? Are you getting the warning message: Restraint System Defect! SRS Visit Workshop! Two of the main reasons why the SRS malfunction comes on are a dead battery or SOS TeleAid system problems. Keep on reading to understand …
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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