How can I make my yet-to-be-installed Depo Euro lights into Daytime Running Lights? I saw a few people who said they did that.

1991 300d, 220k

Easiest way would be to get a very bright LED in the city light socket and wire to a circuit that's comes on with ign power.

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Watch him go!!! link

#dontdealwithkahlil

IIRC I wired the city lights as DRLs in my ‘87 300D off a wire at the glow relay.

I didn’t use LED bulbs though. You hardly notice the feeble incandescent city lights in daylight. Definitely get something brighter.

Sixto
98 E320s sedan and wagon
02 C320 wagon

https://mbworld.org/forums/slk-class-r170/635709-city-lights-factory-r170-headlights.html

In the above post I show city lights installed in aftermarket and OEM headlights.

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Greg
2012 S350 BlueTEC 4Matic
2007 ML 320 CDI
2007 Leisure Travel Serenity
2006 Sprinter 432k
2005 E320 CDI
1998 SLK230 (teal)
1998 SLK230 (silver)
1996 E300D 99k, 30k on WVO
Previous:
1983 240D, on WVO
1982 300D, on WVO
1983 300CD, on WVO
1986 300SDL 237k, 25k on WVO (Deerslayer)
1991 350SDL 249k, 56k on WVO - Retired to a car spa in Phoenix
1983 380 SEC w/603 diesel, 8k on WVO
1996 E300D 351k, 177k on WVO