The chip in your key is damaged or missing.

Professional services often require you to mail in your ECU , the WSP module (located behind the instrument cluster), and your key for bench-testing and data repair.

Given that "Error 13" is not standard, let's consider a general approach to solving issues with Mercedes Sprinter or Vito:

. This is a common and frustrating issue for Mercedes Sprinter and Vito owners, but it doesn't always have to mean a trip to the dealer and a hefty bill. What is the "Start Error"?

vans (typically models from 2001–2006) where the dashboard displays a "START ERROR"