Jun 15, 2015, 01:34 PM
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- Mercedes-Benz E-Class: How to Replace Side Marker Bulb
Guide to diagnose trouble and recommended solutions
Front side marker lamps out
Thread Starter
Newbie
Joined: Jan 2011
Posts: 5
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2007 E350
Front side marker lamps out
I recently acquired a 2007 E350 and have a light out on the left front marker lamp. The right side goes off and on intermittently. The manual says to have the dealer replace the bulbs because it is "technically challenging" ?? How is the lamp mounted? Does it snap into the bumper from the front or do you gain access from the back?
Junior Member
Joined: Oct 2010
Posts: 61
Likes: 1
2005 E320 CDI (W211)
By "marker lamp", are you referring the parking lights? or the turn indicator?
If the parking light, I don't know about the '07, but this is a dead-easy 20 second fix on my '05. Nothing technical about it. Quarter turn on bulb base to remove, remove burnt out bulb, insert new bulb, replace with a quarter turn and bob's your uncle.
If the parking light, I don't know about the '07, but this is a dead-easy 20 second fix on my '05. Nothing technical about it. Quarter turn on bulb base to remove, remove burnt out bulb, insert new bulb, replace with a quarter turn and bob's your uncle.
MBWorld Fanatic!
Joined: Jul 2006
Posts: 1,779
Likes: 11
From: Long Island, NY
2004 E320
see post #81 , here : https://mbworld.org/forums/e-class-w...corners-4.html
Junior Member
Joined: Aug 2004
Posts: 24
Likes: 0
W203, W211, W212
You can pry at the corner to pop them out, but be forewarned that the plastic will be weakened and eventually break if you pop them out often.
The proper way (not necessarily the easiest) is to turn the wheel all the way to one side or other, then remove the splash guard in the wheelwell to get access to the bulbs. (Another way is to remove the splash guard underneath that goes across the front behind the bumper, but that requires removing ~8 bolts.)
From there, you can twist the socket out of the housing and swap bulbs.
The proper way (not necessarily the easiest) is to turn the wheel all the way to one side or other, then remove the splash guard in the wheelwell to get access to the bulbs. (Another way is to remove the splash guard underneath that goes across the front behind the bumper, but that requires removing ~8 bolts.)
From there, you can twist the socket out of the housing and swap bulbs.
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Thread Starter
Newbie
Joined: Jan 2011
Posts: 5
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2007 E350
Well, I took the splash pan off by removing the 8 screws (about 10 minutes). The lamps were easy to access from below. When I took the socket out of the lamp, one of the wires fell out of the socket and water ran down my arm. I compressed the plastic clip and removed the lamp (which is a different design from the 2006 model pictured in the thread listed above). I removed both sides and found that the plastic around the bulb had melted a bit causing cracks and letting water into the socket. The left side was trashed with corrosion. Off to the dealer and bought 2 new lamps, socket repair kit, and 2 bulbs. $94.00 30 minutes to reassemble and now good as new.
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Senior Member
Joined: Mar 2011
Posts: 396
Likes: 1
From: SF Bay Area
2004 E500
Just did mine and put in smoked clear lens form DEPO. The trick to this is to remove the plastic pin holding the plastic cover in the wheel well first. Then you can pull back the cover. On my 2004 E500, one can't just stick your hand behind the lens and pop it out. There's a housing that surrounds the lights. There is a spot to slide a short handle screwdriver or awl to push on the lens clip. Once you figure it out it pops out easily. 5 min upgrade.
Super Member
Joined: May 2003
Posts: 968
Likes: 78
From: Long Island, New York
2018 E400 4matic Wagon
I just replaced both front side marker lamp bulbs today. It's not the easiest thing to do, but if you've done it before, you can do both in 15 minutes. For the right side, turn the wheel all the way to the left, and vice versa.
There are two plastic fasteners you need to remove. One is in the wheel well and the other is just under the bumper at the corner. Remove the plastic "pin" part of the fastener and then the plastic plate behind it using a small pry bar that is the same size and length as a medium size screwdriver (this is a very useful tool to have which is available at any decent hardware store).
Grab the plastic fender liner and pull it out. Find the pointy plastic tip that holds the lamp assembly in place and press forward (toward the front of the car). The whole thing should release and pop outward. Turn the lamp holder 90 degrees and remove from lamp housing. Replace bulb and reinstall everything.
There are two plastic fasteners you need to remove. One is in the wheel well and the other is just under the bumper at the corner. Remove the plastic "pin" part of the fastener and then the plastic plate behind it using a small pry bar that is the same size and length as a medium size screwdriver (this is a very useful tool to have which is available at any decent hardware store).
Grab the plastic fender liner and pull it out. Find the pointy plastic tip that holds the lamp assembly in place and press forward (toward the front of the car). The whole thing should release and pop outward. Turn the lamp holder 90 degrees and remove from lamp housing. Replace bulb and reinstall everything.
Senior Member
Joined: Nov 2008
Posts: 253
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From: DC Metro
W210 E55, W211 E3504M, E90 325i
Actually I found out you can get away just by removing the top fastener. The fender liner is very flexible. You'd need to dig in to pull the liner towards you, after that you can negotiate just enough clearance to have a quick look inside and have a good feel with your hands.
As Oggie stated, you feel for the pointy end closest to you and unclip the marker from the marker housing. The whole marker lens would just tilt forward and away. The furthest end of the lens is hooked onto the back housing. After you liberate the lens from the back housing you can see how the bulb is connected/wired. Then its just a simple twist-remove-replace operation.
5 minutes per side is plenty.
As Oggie stated, you feel for the pointy end closest to you and unclip the marker from the marker housing. The whole marker lens would just tilt forward and away. The furthest end of the lens is hooked onto the back housing. After you liberate the lens from the back housing you can see how the bulb is connected/wired. Then its just a simple twist-remove-replace operation.
5 minutes per side is plenty.
Senior Member
Joined: Mar 2011
Posts: 396
Likes: 1
From: SF Bay Area
2004 E500
Actually I found out you can get away just by removing the top fastener. The fender liner is very flexible. You'd need to dig in to pull the liner towards you, after that you can negotiate just enough clearance to have a quick look inside and have a good feel with your hands.
I'm surprised however that others don't have the same reinforcement that Wampa (#7) mentioned. For mine, it was not as simple as reaching in and unclipping it with my hand, as some of you mentioned. There was a slot on the back of the reinforcement housing that accepts a screwdriver (I used an awl) to push on the side marker clip. Once I did that, it popped out very easily. Still a 5 minute job.
Super Member
Joined: Aug 2006
Posts: 724
Likes: 50
From: Vancouver Canada
S213 2020 E450 4Matic CDN Spec 07/19 build
Oddly, the manual for my 2004 E-wagon does not mention going in via the wheel well to get access to this bulb. Instead, the instructions are:
1) carefully slide the lamp towards front
2) remove rear end first
3) change bulb
4) to reinstall lamp, set rear end in bumper and let front end snap into place
this seems like dark magic to me, bacause there's no way to slide the lamp forward, because the lamp is recessed. Am I missing something fundamental?
1) carefully slide the lamp towards front
2) remove rear end first
3) change bulb
4) to reinstall lamp, set rear end in bumper and let front end snap into place
this seems like dark magic to me, bacause there's no way to slide the lamp forward, because the lamp is recessed. Am I missing something fundamental?
Junior Member
Joined: Dec 2011
Posts: 34
Likes: 0
From: Boomer Sooner USA
2018 GLC 300
Does anyone know the the size of the bulb that goes into the side marker light on my 05 E500? Wife told me there is a warning light on. I'm going to run to the parts store and pick a couple of them up before she gets home. I couldn't find it on my EPC. I'm assuming I just need a clear bulb?
Thanks.
Thanks.
Last edited by Ouch1234; Jan 18, 2012 at 10:31 AM.
Junior Member
Joined: Dec 2011
Posts: 34
Likes: 0
From: Boomer Sooner USA
2018 GLC 300
Oddly, the manual for my 2004 E-wagon does not mention going in via the wheel well to get access to this bulb. Instead, the instructions are:
1) carefully slide the lamp towards front
2) remove rear end first
3) change bulb
4) to reinstall lamp, set rear end in bumper and let front end snap into place
this seems like dark magic to me, bacause there's no way to slide the lamp forward, because the lamp is recessed. Am I missing something fundamental?
1) carefully slide the lamp towards front
2) remove rear end first
3) change bulb
4) to reinstall lamp, set rear end in bumper and let front end snap into place
this seems like dark magic to me, bacause there's no way to slide the lamp forward, because the lamp is recessed. Am I missing something fundamental?
Newbie
Joined: Feb 2013
Posts: 1
Likes: 0
2007 e350, 2006 e350, 1999 e320 (retired), 1999 e320 (retired), 1999 c280 (retired), 1990 e300
You can pry at the corner to pop them out, but be forewarned that the plastic will be weakened and eventually break if you pop them out often.
The proper way (not necessarily the easiest) is to turn the wheel all the way to one side or other, then remove the splash guard in the wheelwell to get access to the bulbs. (Another way is to remove the splash guard underneath that goes across the front behind the bumper, but that requires removing ~8 bolts.)
From there, you can twist the socket out of the housing and swap bulbs.
The proper way (not necessarily the easiest) is to turn the wheel all the way to one side or other, then remove the splash guard in the wheelwell to get access to the bulbs. (Another way is to remove the splash guard underneath that goes across the front behind the bumper, but that requires removing ~8 bolts.)
From there, you can twist the socket out of the housing and swap bulbs.
That is what it was designed for. And much easier than removing the wheel and wheel well or the entire splash guard.
Newbie
Joined: Sep 2012
Posts: 3
Likes: 0
2004 MB E500
side marker follow up - follow the manual it works.
Just replaced my side marker bulb by this method. Simpler than removing access panels or wheel wells. I think using a small flat pry bar is better than a screwdriver. It distributes the pressure evenly because it does feel like you're gonna break something using a flat tip screwdriver.
Last edited by FWA E500; Feb 19, 2013 at 12:12 PM. Reason: wrong link
Newbie
Joined: Jul 2011
Posts: 4
Likes: 0
E55 AMG
I recently acquired a 2007 E350 and have a light out on the left front marker lamp. The right side goes off and on intermittently. The manual says to have the dealer replace the bulbs because it is "technically challenging" ?? How is the lamp mounted? Does it snap into the bumper from the front or do you gain access from the back?
Member
Joined: Jan 2012
Posts: 244
Likes: 4
From: PA, USA
2004 E320 4matic Sedan
A link to a DIY
There are several ways it can be done. Here's pictures of how I did it:
https://mbworld.org/forums/e-class-w...?highlight=DIY
https://mbworld.org/forums/e-class-w...?highlight=DIY
Newbie
Joined: Feb 2015
Posts: 2
Likes: 0
2010 E63 AMG
side marker light replacement
Thanks so much for your helpful information on replacing my side marker lights, one thing I noticed is that this seems to be a common problem, I noticed that while replacing through the wheel well that a large amount of water poured out of the oversized tube that the wires ran through, I believe that this is the reason my bulb blew and would give me false alerts that it was out, so when changing your bulb take the extra minute to tape up the gap with electric tape so water can't get in the tube.
Newbie
Joined: Feb 2015
Posts: 2
Likes: 0
2010 E63 AMG
side marker light replacement
Thanks so much for your helpful information on replacing my side marker lights, one thing I noticed is that this seems to be a common problem, I noticed that while replacing through the wheel well that a large amount of water poured out of the oversized tube that the wires ran through, I believe that this is the reason my bulb blew and would give me false alerts that it was out, so when changing your bulb take the extra minute to tape up the gap with electric tape so water can't get in the tube. You won't see or be able to let the water drain unless you go thru the wheel well.
