While you wait for answers, we may have found some information which could help you.
Click here for Wiper Wont Stopmercedes 814 vario 1998 ?
how to set up adjust rear calipers on mercedes 814 vario?
mercedes 814 breaking system change?
how to solve starting problem, please?
Adjusting rear brake pads on Mercedes 814 1995 (drum brakes) ?
Bleeding the fuel system on Meredes 814?