Mercedes 5-pin OVP relay.
Overload Protection Relay for W107, W123, W124, W126, W201.
With hinged lid over the 10 amp plug-in fuse.

Suitable for 4 and 5 pin cable connector.
Part #1265404745 (4-pin) has been replaced by part #2015400845 (5-pin).
For a 4-pin plug, an additional hole needs to be created for the 5th pin.
Installing an additional 4 mm pin bushing is not necessary.
The middle pin 87 is simply not used (see photos).

Not interchangeable with Overload Protection up to 1981 made of red anodized aluminum with part number 116 545 0034

Mercedes Benz reference numbers 1265404745 und 2015400845.