Smart 453 Headlight Rubber Cap

For the Mercedes Smart 453, Philips LEDs for Headlights are now road legal for a specific headlight model. But the LEDs have a massive dongle connector which does not fit into the original plastic caps.
Here is a set of new caps.

The right side model can fit both, but as there is a cable boom under the left side cap, the smaller left side model might suit you better. It did for me.