If the car is driving smoothly and you notice no change in power, the issue is likely minor (like a faulty brake light switch). You can continue driving to your destination, but you should schedule a diagnostic appointment soon. Do not ignore it, as a minor issue can escalate.
Access to the EPC varies depending on your region and technical needs: A2228851537 for Mercedes-Benz S-Class W222 - AliExpress epc mercedes benz
This is arguably the most common cause for EPC lights in Mercedes models like the C-Class, CLA, and GLA. If your brake light switch malfunctions, the car’s computer thinks you are constantly braking (or not braking when you should be). This confuses the engine management system, often triggering the EPC light and potentially disabling cruise control. If the car is driving smoothly and you
Example: