You can find this product under Mercedes Benz C-Class LED Daytime Running Lights (70-705).
Step 1: There are two (2) screws located on the far left and far right corners of the stock fog lamp bezel that you will need to remove. Make sure to thoroughly inspect the stock fog lamp bezel for these screws so you don't try to yank off the bezel and damage the parts.
Step 2: The screws are small and hexogonally shaped so you will need to use a hex tool to unscrew them.
Step 3: Once you remove the hexagonal screws, the stock fog lamp bezel will come off.
Step 4: Reinstall the new OEM fit LED daytime running lights the same way you removed the stock fog lamp bezel.
Step 5: Tap the red/black wires to the side marker lamps or the red wire to the ACC and the black wire to the ground.
Since Mercedes has a really complicated wiring system so we recommend that you connect the wires to the side marker lamps unless you have a professional installer.
Test to see if the Mercedes Benz C-Class Direct Fit LED Daytime Running Lights work.