Our favorite product of the bunch is Raxiom’s LED turn signals. These lights house a similar tri-bar design that mimics the daytime running lights found in the S550’s headlights.

For example, if you were going to add LEDs to each turn signal, you’ll need four load resistors, one for each turn signal. Some of the custom LED turn signals (and tail/brake lights) have built-in ...

We're installing their more traditional deluxe-style turn signal mirrors, which replicate the deluxe remote mirror option—part number MP-8001-RD.