The "START ERROR" message on a Mercedes Sprinter or Vito dashboard is a frustrating issue that prevents your vehicle from turning over, often appearing after a battery failure or jump-start. is a specialized repair software designed to fix this by re-synchronizing the Engine Control Unit (ECU) and the Immobilizer (WSP) module . Understanding the "Start Error"
: Forums like carmasters.org and otomotiv-forum.com provide deep dives into the EEPROM structures and manual repair steps.
After researching and analyzing various reports, we've identified some common causes of the Start Error 1.3: