Mercedes Vito AdBlue Malfunction: Causes, Countdown Triggers and Fixes

Mercedes Vito van with AdBlue system components visible in the engine bay

If your dash is showing a Mercedes Vito AdBlue malfunction warning, the problem is rarely as simple as just topping the tank up and driving on. On the Vito, this warning can sit behind a low fluid message, an emissions fault, a no-start countdown, or a fault that keeps coming back after a refill. The […]