anyone have a write up on installing xenons?
Thread Starter
Almost a Member!
Joined: Feb 2004
Posts: 40
Likes: 0
anyone have a write up on installing xenons?
do i only have to splice/solder the positive wire from the ballast to the positive white wire on the headlight and the negative wire from the ballast to the brownish negative wire?
Senior Member
Joined: Mar 2003
Posts: 253
Likes: 5
From: West Palm Beach, Florida
GLE53 Coupe
xenon
on the ballast connection yes, correct.
However, are you putting xenon bulb in the halogen headlight?
If so, the ligth pattern is not going to be correct, but it will be bright. Are you using the D2S or D2R bulb or H7 xenon bulb?
Give us more detail on what you are trying to do?
Steve
However, are you putting xenon bulb in the halogen headlight?
If so, the ligth pattern is not going to be correct, but it will be bright. Are you using the D2S or D2R bulb or H7 xenon bulb?
Give us more detail on what you are trying to do?
Steve
Thread Starter
Almost a Member!
Joined: Feb 2004
Posts: 40
Likes: 0
i am trying to install some xenon ballast i bought off a wrecked s4. to my 98 s420. and yes, i have halogen housings. the oem s4 ballast use d2s bulbs and is h7 like mercedes.
i just want to know how others with mercedes installed their own xenons.
the oem ballast look like this...my ballast look like this...
http://ctny.a4.org/mark/s4/euros/dsc01701.jpg
http://www.vagparts.com/pages/NewA4_xenon_install.htm
i just want to know how others with mercedes installed their own xenons.
the oem ballast look like this...my ballast look like this...
http://ctny.a4.org/mark/s4/euros/dsc01701.jpg
http://www.vagparts.com/pages/NewA4_xenon_install.htm
Super Member
Joined: Aug 2002
Posts: 812
Likes: 0
From: Los Angeles
I see that the Audi ballast has 6 contacts in the connector. Do you know the wiring diagram? That would be helpful if you're going to try to retrofit. Also, the bulb is not a straight *snap* fit, you're gonna have to jimmy up some method to hold the D2S bulb in the H7 socket. Unless you're correct about Audi using H7 style on the D2S bulb.
question, why are you asking about installation on a W140 in a W210 forum?
question, why are you asking about installation on a W140 in a W210 forum?
Senior Member
Joined: Mar 2003
Posts: 253
Likes: 5
From: West Palm Beach, Florida
GLE53 Coupe
The D2R bulb need to be modify to fit into the H7 socket.
The modication is adding a spacer to match the filament.
Please read here
H7 HID:
H7 specs calls for a distance of 25mm from the base flange to the bottom of the filament. D2S/D2R specs call for a distance of 27.1mm from the base flange to the center of the hid capsule. H7 filament is spec'd to be 4.1mm in length, so distance from base flange to filament center is 25 + 4.1/2 or 27.05mm nominally nearly perfect positioning. Hid capsule size is 4.1mm measured along the longitudinal axis, so even that is very nearly identical to the length of the H7 filament. This is if the H7 filament was centered. But it isnt. Its actually off the center axxis by a 1.5mm in downwords direction.
http://faq.auto.light.tripod.com/special-topics.htm
or you can get a Xenon bulb that have the H7 socket.
I do have a spare pair if you are interested.
Steve
The modication is adding a spacer to match the filament.
Please read here
H7 HID:
H7 specs calls for a distance of 25mm from the base flange to the bottom of the filament. D2S/D2R specs call for a distance of 27.1mm from the base flange to the center of the hid capsule. H7 filament is spec'd to be 4.1mm in length, so distance from base flange to filament center is 25 + 4.1/2 or 27.05mm nominally nearly perfect positioning. Hid capsule size is 4.1mm measured along the longitudinal axis, so even that is very nearly identical to the length of the H7 filament. This is if the H7 filament was centered. But it isnt. Its actually off the center axxis by a 1.5mm in downwords direction.
http://faq.auto.light.tripod.com/special-topics.htm
or you can get a Xenon bulb that have the H7 socket.
I do have a spare pair if you are interested.
Steve
MBWorld Fanatic!
Joined: Oct 2002
Posts: 1,560
Likes: 1
From: Columbia, SC
E300
I did a quick retrofit of D2S bulbs by cutting the base off of an H7 bulb and used JB weld to adhere it to the base of the D2S bulb. Works fine, just make sure everything is straight.
Thread Starter
Almost a Member!
Joined: Feb 2004
Posts: 40
Likes: 0
Originally posted by Hank
I see that the Audi ballast has 6 contacts in the connector. Do you know the wiring diagram? That would be helpful if you're going to try to retrofit. Also, the bulb is not a straight *snap* fit, you're gonna have to jimmy up some method to hold the D2S bulb in the H7 socket. Unless you're correct about Audi using H7 style on the D2S bulb.
question, why are you asking about installation on a W140 in a W210 forum?
I see that the Audi ballast has 6 contacts in the connector. Do you know the wiring diagram? That would be helpful if you're going to try to retrofit. Also, the bulb is not a straight *snap* fit, you're gonna have to jimmy up some method to hold the D2S bulb in the H7 socket. Unless you're correct about Audi using H7 style on the D2S bulb.
question, why are you asking about installation on a W140 in a W210 forum?
Trending Topics
MBWorld Fanatic!
Joined: Oct 2002
Posts: 1,560
Likes: 1
From: Columbia, SC
E300
Originally posted by 98sclass
i am trying to install some xenon ballast i bought off a wrecked s4. to my 98 s420. and yes, i have halogen housings. the oem s4 ballast use d2s bulbs and is h7 like mercedes.
i just want to know how others with mercedes installed their own xenons.
the oem ballast look like this...my ballast look like this...
http://ctny.a4.org/mark/s4/euros/dsc01701.jpg
http://www.vagparts.com/pages/NewA4_xenon_install.htm
i am trying to install some xenon ballast i bought off a wrecked s4. to my 98 s420. and yes, i have halogen housings. the oem s4 ballast use d2s bulbs and is h7 like mercedes.
i just want to know how others with mercedes installed their own xenons.
the oem ballast look like this...my ballast look like this...
http://ctny.a4.org/mark/s4/euros/dsc01701.jpg
http://www.vagparts.com/pages/NewA4_xenon_install.htm
MB World Stories
The Best of Mercedes & AMG
6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)
Verdad Gallardo
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun
Verdad Gallardo
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Verdad Gallardo
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine
Verdad Gallardo
Flawlessly Restored Mercedes 190E Evo II Heads to Auction
Verdad Gallardo
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know
Verdad Gallardo
Mercedes EQS Gets A Major Update: Everything You Need to Know
Verdad Gallardo
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve
Verdad Gallardo
Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping
Verdad Gallardo
Thread Starter
Almost a Member!
Joined: Feb 2004
Posts: 40
Likes: 0
Originally posted by michakaveli
That isn't the right ballast to use for this retrofit. You have to use the ballast off of 00-02 A4/S4 or A6 with xenon lamps.
That isn't the right ballast to use for this retrofit. You have to use the ballast off of 00-02 A4/S4 or A6 with xenon lamps.
MBWorld Fanatic!
Joined: Oct 2002
Posts: 1,560
Likes: 1
From: Columbia, SC
E300
Originally posted by 98sclass
this is oem ballast off a 2000 s4. i removed them myself when i paid the junkyard.
this is oem ballast off a 2000 s4. i removed them myself when i paid the junkyard.
Senior Member
Joined: Apr 2002
Posts: 405
Likes: 12
From: Sacramento, CA
W204 C300 2010
Re: anyone have a write up on installing xenons?
Originally posted by 98sclass
do i only have to splice/solder the positive wire from the ballast to the positive white wire on the headlight and the negative wire from the ballast to the brownish negative wire?
do i only have to splice/solder the positive wire from the ballast to the positive white wire on the headlight and the negative wire from the ballast to the brownish negative wire?
I replied on a previous post last August:
https://mbworld.org/forums/showthrea...threadid=48247
Scroll down till you see me crude wiring diagram. I shows a how to insert a resistor in parallel so the headlight warning does not come on.
Thread Starter
Almost a Member!
Joined: Feb 2004
Posts: 40
Likes: 0
Re: Re: anyone have a write up on installing xenons?
Originally posted by rob_fed
When you figure out the proper wiring configuration of your ballasts, then "yes", you are basically powering each ballast from each original headlight harness. If you do not want to cut off the original H7 socket, you can use the male 1/4" blade connectors inserted into their respective sockets. Just remember to get the polarity right for your ballasts.
I replied on a previous post last August:
https://mbworld.org/forums/showthrea...threadid=48247
Scroll down till you see me crude wiring diagram. I shows a how to insert a resistor in parallel so the headlight warning does not come on.
When you figure out the proper wiring configuration of your ballasts, then "yes", you are basically powering each ballast from each original headlight harness. If you do not want to cut off the original H7 socket, you can use the male 1/4" blade connectors inserted into their respective sockets. Just remember to get the polarity right for your ballasts.
I replied on a previous post last August:
https://mbworld.org/forums/showthrea...threadid=48247
Scroll down till you see me crude wiring diagram. I shows a how to insert a resistor in parallel so the headlight warning does not come on.
about the resistor.. is there a certain brand i'm supposed to use? also do you have a part number of the one you used? thanks in advance
Senior Member
Joined: Apr 2002
Posts: 405
Likes: 12
From: Sacramento, CA
W204 C300 2010
For the purpose of fooling the "headlight" failure message, the resistor can be almost anything. The last person was able to get away with the 2.2K ohm resistor in parallel with the ballast. You can use almost any wattage, but I would use a 1/2 to 1watt rated resistor. You can get them at any Radio Shack. The higher the resistance the less power it will have to dissapate. But if you go too high, the warning will still come on. What every you use, you will have to solder some wires to the the ends of the resistor.
On a side note, there are many load resistors sold for the purpose of loading the mechanical turn indicator flasher, as when you replace your turn indicator bulbs with LED bulbs. These are typically in the 5 to 10 ohm resistance range and are rated at about 20watts. These are power resistors with small wires soldered to each end. You can use these in parallel with the HID ballast, but it is an over kill. They will just get hot from being powered continously when the headlights are on.
On a side note, there are many load resistors sold for the purpose of loading the mechanical turn indicator flasher, as when you replace your turn indicator bulbs with LED bulbs. These are typically in the 5 to 10 ohm resistance range and are rated at about 20watts. These are power resistors with small wires soldered to each end. You can use these in parallel with the HID ballast, but it is an over kill. They will just get hot from being powered continously when the headlights are on.
