Upgrade your sealed beam headlights to Hella H4 - Mercedes-Benz Forum
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#1 (permalink) Old 12-13-2013, 05:29 PM
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Upgrade your sealed beam headlights to Hella H4

Hi,

I ran across the option to upgrade sealed beam headlights for '88 560SL.
I have seen the whole set here:
https://mercedessource.com/store/111...-h4-headlights

Has anyone done it? I believe it will be a huge difference.

What is the right size for our headlights? 5.75"?

If I understand it well, we will need:
5-3/4" Round Conversion Headlamp Kit, High/Low Beam (ECE)
+
5-3/4" Round Conversion Headlamp Kit, High Beam (ECE)
Am I right?

I found other links where to buy if my assumption is correct:
http://www.amazon.com/Hella-H5006-Sealed-Conversion-002850001/dp/B003UHN4SK/ref=sr_1_2?s=automotive&ie=UTF8&qid=1386983901&sr=1-2&keywords=hella+5.75%22+headlight
and high beams
http://www.amazon.com/Hella-E-Code-Conversion-Headlight-Replaceable/dp/B000FQCWXM/ref=sr_1_3?s=automotive&ie=UTF8&qid=1386983901&sr=1-3&keywords=hella+5.75%22+headlight

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#2 (permalink) Old 12-13-2013, 05:34 PM
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#3 (permalink) Old 12-13-2013, 06:38 PM
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several people have done this, you can do a search and you may find them. The biggest objection is the way the lights protrude out of the retaining rings. If I recall on solution was to use the stock high beams but rearranged so the high beams were on the outside and then put the Euro Halogen low beams on the inside where the protrusion would be less noticeable.
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#4 (permalink) Old 12-13-2013, 07:39 PM
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I did the switch-over on mine on only the low beams. I also added a relay system at the same time. And yes the difference is (pun intended) day and night. Huge improvement over the sealed beam units. IIRC I am using a 75 watt lamp. Adding a relay system is not hard...if you can solder you can do it. More info on the relay system...

Daniel Stern Lighting Consultancy and Supply



As roncallo mentioned they do extrude past the retaining rings but I don't find that objectionable. If you do Daniel Stern sells Cebie H1 and H4 headlamps.

Last edited by reno4u2; 12-13-2013 at 07:51 PM.
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#5 (permalink) Old 12-13-2013, 09:58 PM
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I did the same conversion as reno4u2, replacing the outer low/high beams with Hellas, retaining the stock high beams and wiring it all with relays as per Daniel Stern's instructions.

It makes a big difference, especially if you use heavier gauge wiring, which I highly recommend. I used some 14 gauge wire from a big box hardware store.

One thing to note: if you use relays, the bulb out indicator on the dash will light up, because it doesn't "see" the proper resistance in the switch circuit. I found there's a way to make that functional using a pair of 4 Ohm resistors in the switch circuit to make it think there's bulbs there.

Tom H.
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#6 (permalink) Old 12-14-2013, 01:23 AM
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I still run H1 globes in mine. I deliberately did not go for the H4 reflectors due to the unwanted parking globe and the protrusion.

On Lurch, I use the long range high beam on the inners and a normal high beam pattern on the outside, but set the scatter pattern adjusters down to low beam levels.

I also run 100w halogen globes - and yes - the difference is night & day.

Edit: Pics.
These are about 4.5 years ago.
Upgrade your sealed beam headlights to Hella H4-img_0003.jpg

Upgrade your sealed beam headlights to Hella H4-img_0004.jpg

Upgrade your sealed beam headlights to Hella H4-lurch-us-h1conversion.jpg

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Last edited by JoeB; 12-14-2013 at 04:37 AM. Reason: added pics
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#7 (permalink) Old 12-14-2013, 02:57 AM
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I did both the H1/H4's using 3-relays all supplied (and supported by tech. guidance) by Daniel Stern Lighting as Remo4u refers to (above). The difference in illumination and distance is 10-fold compared to the OEM type sealed beams. As shown in the photo and they fit perfectly with high beams remaining inward toward and low outward from the grille assy. Re-aiming was/is also required post installation but that's easy to do. I also purchased the halogen fog lamp bulbs and installed them as well.

Installed over 1-yr ago and they continue to work well. No issues.

Armadillo, you will need to use relays as they are required and do not appear to be included in the kit you referred to in your link. Daniel Stern may not be the cheapest source but he has the correct parts and provides installation guidance and tech support should one encounter installation issues. The need to install a diode may also be required to preempt the light out warning lamp (instrument cluster) from illuminating post installation of the H1/H4's.

Upgrade your sealed beam headlights to Hella H4-windows-photo-viewer-wallpaper.jpg

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Last edited by rewillia; 12-14-2013 at 03:12 AM.
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#8 (permalink) Old 12-14-2013, 05:42 AM
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Quote:
Originally Posted by rewillia View Post
I did both the H1/H4's using 3-relays all supplied (and supported by tech. guidance) by Daniel Stern Lighting as Remo4u refers to (above). The difference in illumination and distance is 10-fold compared to the OEM type sealed beams. As shown in the photo and they fit perfectly with high beams remaining inward toward and low outward from the grille assy. Re-aiming was/is also required post installation but that's easy to do. I also purchased the halogen fog lamp bulbs and installed them as well.

Installed over 1-yr ago and they continue to work well. No issues.

Armadillo, you will need to use relays as they are required and do not appear to be included in the kit you referred to in your link. Daniel Stern may not be the cheapest source but he has the correct parts and provides installation guidance and tech support should one encounter installation issues. The need to install a diode may also be required to preempt the light out warning lamp (instrument cluster) from illuminating post installation of the H1/H4's.

Attachment 688602
Those bulbs don't seem to protrude the way reno4u's do. who makes these.
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#9 (permalink) Old 12-14-2013, 06:03 AM
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Quote:
Originally Posted by roncallo View Post
Those bulbs don't seem to protrude the way reno4u's do. who makes these.
Purchased from Daniel Stern along with the H1/H4 bulbs, relays, etc. Fit perfect and as you noted, they do not protrude as do the flat faced versions.

Cibie H4 & H1 headlamps • 5.75” round, convex (domed) lenses, Regulatory compliance: ECE (European E-Code); SAE M

http://www.danielsternlighting.com/p...ducts.html#Buy

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Last edited by rewillia; 12-14-2013 at 06:05 AM.
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#10 (permalink) Old 12-14-2013, 07:40 AM
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Just an FYI...Painless Wiring does offer an H4 wiring harness for those who don't feel comfortable making their own. Kinda pricey $228.

Part# 30815 Details | Painless Performance
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