Cube shaped 5 pin relay. Used in the starter relay circuit, and for other circuits, as well.
Located under driver seat
MB part # on old relay could be 004 545 79 05, 002 542 14 19, 002 542 96 19, 003 542 10 19, 002 542 89 19, 000 982 25 23, 000 982 81 23
Detailed Description
Sprinter 2002-2006
Sprinter II 2007-2018
Metris 2016+
Uses include the electric fuel pump, starter and rear defogger, etc.
Relay case may be either yellow or black, depending upon in which facility it was manufactured.