I have been thinking that the location under the bumper where the fog lights are on 500Es wouldn't look too bad. It would depend on which ones I bought. The Hella European page has a site that shows the light output from their various Xenon driving lights at
http://www.hella.com/maineng/lev1b/lev2ba/lev3bab/lev4babd/index.htm
The micro Xenoens would be the least clutter on the car, but the best light would come from the ones that make the car look like a Rallye car! (Lets see, 2 micro xenons shining out from behind the grill, invisible during day time, hmmmm

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John
2003 Firemist Red/grey leather SL 500
2015 Palladium Silver/black mbtex GLK 350
1987 Smoke Silver/burgundy mbtex 300E Sportline (SOLD)
Click to see 87 300E