From YahooSprinterVan Post No. 11203:
Re: [sprintervan] Re: Daytime Running Light Relay Removal
The instrument lights and license plate light will still come on when
the key is on, but pulling the three fuses does disable the automatic
DRL function without killing any other standard features.
I was unable to find a relay under the seat that disabled the DRL's as
described in my 2003 service manual.
> I have the DRL option on my 2004. I pulled 3 7.5 Amp fuses to disable
> it (#2, #13, #14), checked the lighting functions and determined that
> they all worked as I would expect for a non-DRL vehicle - including
> brights and parking lights.
>
> I didn't pull any relay.
>
> Is there anything I'm missing by leaving the DRL relay in place?
> >
> > I don't want to start a debate about the value of Daytime Running
> > Lights, my intent is simply to post the DRL deactivation
> instructions
> > that have repeatedly been discussed here on this forum. I'd tried
> > removing the applicable fuses but found that I had to choose between
> > removing two fuses and leaving the parking lights on permanently or
> > pulling three fuses and loosing the ability to use my headlight
> > brights. Thanks to Tim Duffy's post #10484 and his link to a
> Sprinter
> > service manual however, I was able to find the relevant information
> to
> > completely deactivate the option. The critical DRL relay on a 2004
> > Sprinter appears to be the front-right most relay (looking down on
> the
> > driver's seat pedestal, it's bright yellow on my Sprinter). Now if
> > someone can just figure out how to workably disable the event data
> > recorder, I'd be one happy Sprinter owner!
> >
> > From page 8L-9 of the Sprinter service manual (posted here for the
> > bandwidth limited):
> >
> > -----
> >
> > DAYTIME RUNNING LAMP RELAY REMOVAL
> >
> > WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS,
> > DISABLE THE SUPPLEMENTAL RESTRAINT SYSTEM
> > BEFORE ATTEMPTING ANY STEERING WHEEL,
> > STEERING COLUMN, DRIVER AIRBAG, PASSENGER
> > AIRBAG, SEAT BELT TENSIONER, OR INSTRUMENT
> > PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT
> > AND ISOLATE THE BATTERY NEGATIVE
> > (GROUND) CABLE, THEN WAIT TWO MINUTES FOR
> > THE SYSTEM CAPACITOR TO DISCHARGE BEFORE
> > PERFORMING FURTHER DIAGNOSIS OR SERVICE.
> > THIS IS THE ONLY SURE WAY TO DISABLE THE SUPPLEMENTAL
> > RESTRAINT SYSTEM. FAILURE TO TAKE
> > THE PROPER PRECAUTIONS COULD RESULT IN
> > ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE
> > PERSONAL INJURY.
> >
> > (1) Disconnect and isolate the battery negative
> > cable.
> > (2) Move the driver side front seat to its most forward
> > position for easiest access to the seat riser
> > cover panel (Fig. 12).
> > (3) Remove the cover panel from the top of the
> > driver side seat riser.
> > (4) Remove the DRL relay by grasping it firmly
> > and pulling it straight out of the relay connector.