Yellowish color high beams
It's this way on all cars, not just Mercedes.
Here I was thinking I needed an upgrade, but just found one; see below.I checked Hoen and they sell a xenonmatch Titanium rated at 70W/4,300K; I wonder if this higher wattage halogen replacement will cause an error as opposed to the OEM 55W bulb. Someone on the forum can please comment if this will work before I order it.
Last edited by pinebaron; Jan 4, 2008 at 03:20 PM.
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Last edited by pinebaron; Jan 7, 2008 at 06:39 PM.
http://www.hoen-usa.com/plus.htm
By using 100Watt bulbs, you have almost doubled the current draw through existing wiring. OEM wiring and halogen headlamp fixtures are designed to safely use 55Watt bulbs. Most would reccomend a wiring harness upgrade (with perhaps a relay switch) when using high wattage bulbs, to avoid wiring damage.
Secondly, each plastic headlamp housing will now need to dissipate an additional 45Watts of heat. Minimal use of high beams will prevent heat accumulation and damage. Extended use may cause damage. I located a link for you to read some related information.
55W/12V = 4.58A (Watts/Volts = Current)
100W/12V = 8.33A
http://www.club-tc.com/forums/lighti...formation.html
Late Edition: Another thing you need to consider when using higher power bulbs or any other device creating an appreciable load within a vehicles electrical system, leaves less current/power available for other vital electrical functions like ignition and battery charging etc., though an MB's electronics is quite clever; it starts switching off unneccessary functions in case of an overload. I am not sure how well it works.
In the past I have built custom 1000 watt plus lighting systems on my off-road vehicles (not in the USA) which involved upgrades of engine, custom wiring, dual alternators, dual 250+amphr batteries etc.
Last edited by pinebaron; Jan 17, 2008 at 08:04 AM.

An easy plug and play option is to replace standard bulbs with a Hoen Colormatch 55W bulb set; a low investment and safe option.
You say your low beams produced inadequate light from new. Review the condition of your headlamp lens; it won't let all the light pass through if it is not absolutely clear. You can purchase kits online to help resurrect a dull headlamp surface. My Ford Expedition headlamps had suffered due to extended exposure to sand and sea water spray while fishing sandy beaches in NJ. I recently replaced its headlamp shells with standard OEM shells; a Xmas present from my very observant son. I replaced the yellow halogens with white 4300K 55W halogens. They look cool and emit a great white light; a little better visibility than new OEMs.
Other than plug and play you could install HIDs; there is a sticky up there in this forum.
Other expensive plug and play options:
http://www.eautoworks.com/index20!ma...ght%20bulb.cfm
Last edited by pinebaron; Jan 17, 2008 at 10:12 AM.








I would like to change it to the same white xenon if possible though I have not looked into where to start. Perhaps someone can advise on this forum.



