What Is Mercedes ASSYST Plus? A Guide to Your Service Codes

If you drive a Mercedes-Benz, you’ve probably seen it: a wrench icon on your dashboard with a message like “Service A in 1,200 miles” or “Service B Due.” Maybe you ignored it. Maybe you Googled it and ended up more confused than when you started. This guide breaks it all down so you know exactly what your car is asking for — and why it matters.