|
darko
Regular
Date registered: Mar 2012
Location: Isle of Man
Vehicle(s): 2003 G500
Posts: 62
| Nolden LED Headlights - Help Needed !
Hi All,
I'm really hoping someone can help me here..
After reading so many good reviews I bought a set of the Nolden LED Headlights and fitted them to my 2003 G500
Parking / Sidelights needed a new plug soldering in but other than that all very straightforward
Parking / sidelights and the headlights work fine however when I try to use the high beam I get a bulb out warning (for both sides) and the car switches the high beam on and off
After speaking with Nolden in Germany we have tried adding different resistors to solve this. We sort of had a result with 10 Ohm / 100 W resistors strapped across the high beam and ground pins on the main connector but it only lasted a couple of minutes before the bulb failure warning happened and the pulsing of the high beam started. Since then we have tried 6.8 Ohm, 8 Ohm & 15 Ohm - no success. Strangely if I now try the 10 Ohm resistors it fails straight away. As mentioned when I 1st tried them it worked ok for about 3 to 4 minutes..
Does anyone have any idea what might be causing this ? Does the ECU / Computer need it's fault codes clearing ? I have already tried disconnecting the battery for 20 mins and reconnecting to do that but maybe I need to plug in a laptop to do it properly ?
Otherwise what are my options ? I have considered rigging up some kind of relays to the high beam pins on the stalk and bypassing the factory wiring but this seems a bit extreme..
Thanks for any help, I'm really stuck on this now !
Edited by darko 6/17/2014 11:34 AM
|
|
| |
|
fernweh
Date registered: Apr 2006
Location: Calabasas, CA - Centenario, BCS - Luebeck, Germany
Vehicle(s): Few Mercedes-Benz, a Toyota Amphibious and a Vespa
| RE: Nolden LED Headlights - Help Needed !
Maybe you can install a SPST relay into the High Beam circuitry (on each headlight).
Use the +12VDC for the coil (#86) and the #30 relay contact from the High Beam wire (white), connect #85 to ground and connect #87 from the relay to the Low Beam wire (yellow).
Now when turning on the high beams, the low beams will come on as well - maybe you are drawing now enough amps to keep the lighting computer happy.....
Karl |
|
| |
|
NHDave
Extreme Veteran
Date registered: Dec 2013
Location: Seacoast NH.
Vehicle(s): 2004 AMG
Posts: 465
| Re: Nolden LED Headlights - Help Needed !
Dr. House!
Trickery at it's best!!
I hope this works for you darko....... |
|
| |
|
darko
Regular
Date registered: Mar 2012
Location: Isle of Man
Vehicle(s): 2003 G500
Posts: 62
| RE: Nolden LED Headlights - Help Needed !
Hi Karl,
thank you for your suggestion, I drew a little schematic to ensure I am understanding this idea properly
Please let me know if I am correct
Thanks, Mark
Attachments
----------------
 SPST Relay Fro Nolden LED.pdf (70KB - 18 downloads)
|
|
| |
|
fernweh
Date registered: Apr 2006
Location: Calabasas, CA - Centenario, BCS - Luebeck, Germany
Vehicle(s): Few Mercedes-Benz, a Toyota Amphibious and a Vespa
| RE: Nolden LED Headlights - Help Needed !
Mark,
that is correct.
Please let us know, if that will do the trick.
Good luck,
Karl |
|
| |
|
darko
Regular
Date registered: Mar 2012
Location: Isle of Man
Vehicle(s): 2003 G500
Posts: 62
| RE: Nolden LED Headlights - Help Needed !
Hi Karl,
unfortunately it did not work
I just did one side to see what would happen. Interestingly it is now different to the other side - the high beam is now pulsed / flashed very quickly compared to the side with no relay (this pulses / flashes on and off quite slowly)
Is it possible to switch off the bulb detection in the computer somehow ? It seems the computer will not be fooled !
|
|
| |
|
fernweh
Date registered: Apr 2006
Location: Calabasas, CA - Centenario, BCS - Luebeck, Germany
Vehicle(s): Few Mercedes-Benz, a Toyota Amphibious and a Vespa
| RE: Nolden LED Headlights - Help Needed !
darko - 6/18/2014 11:01 AM
Hi Karl,
unfortunately it did not work
I just did one side to see what would happen. Interestingly it is now different to the other side - the high beam is now pulsed / flashed very quickly compared to the side with no relay (this pulses / flashes on and off quite slowly)
Is it possible to switch off the bulb detection in the computer somehow ? It seems the computer will not be fooled !
Well Mark,
that is already progress.....if we get it to pulse now very fast, the human eye thinks it's on all the time 
Karl |
|
| |
|
darko
Regular
Date registered: Mar 2012
Location: Isle of Man
Vehicle(s): 2003 G500
Posts: 62
| RE: Nolden LED Headlights - Help Needed !
True !
I am very tempted just to take a feed from the flash / high beam stalk and run that to a relay, basically bypass the car's "intelligent" system.. |
|
| |
|
fernweh
Date registered: Apr 2006
Location: Calabasas, CA - Centenario, BCS - Luebeck, Germany
Vehicle(s): Few Mercedes-Benz, a Toyota Amphibious and a Vespa
| RE: Nolden LED Headlights - Help Needed !
Mark,
no good, don't start fooling around with the can bus signals.
Try other type of power resistors.
 (NTE 25W.JPG)
 (RCD620X.JPG)
Attachments
----------------
NTE 25W.JPG (119KB - 0 downloads)
RCD620X.JPG (111KB - 0 downloads)
|
|
| |
|
djdinaz
Extreme Veteran
Date registered: Jun 2007
Location: Arizona
Vehicle(s): 03 G55
Posts: 439
| Re: Nolden LED Headlights - Help Needed !
The pulse is a function of the front SAM. Current to E1e1/E2e1 (high beams) is switched off in a unexpected load situation. When this happens, fault codes B1007 or B1008 will be thrown (depending on side). When B1007/B1008 is present, the voltage will pulse on the respective side (E2e1/E1e1) between 14.5 and 0.
According to Xentry, the regular current supply can be re-established after a switch-on request (should be a matter of cycling the lights on/off). Unfortunately, I don't know any German (aside from Hefeweizen and Bratwurst), so I'm of no use looking through the developer options in DAS/Xentry to see if there are any adaptation settings one could change on that control unit to alter the behavior or to change the expected resistance.
If the LED headlight specs are listed correctly (2.7A @ 12V), then the 6.8 Ohm resistor should just about be perfect to mimic the draw a halogen would give you. Have you tried going the other way? Meaning, wire a 5 Ohm resistor in parallel so that the draw looks like a 61W bulb instead of the 48W bulb the 10 gets you. |
|
| |
|
darko
Regular
Date registered: Mar 2012
Location: Isle of Man
Vehicle(s): 2003 G500
Posts: 62
| RE: Nolden LED Headlights - Help Needed !
Thanks Guys for all your help and suggestions - much appreciated !
I will have to order some more resistors and try some lower impedances
I have been reading around on the web and some people seem to suggest the lamp warning system is triggered by measuring a difference between circuits. For example the LH & RH high beam circuits measuring differently. Does anyone know if this is the case ?
I was wondering if the relay system may work if I join the LH & RH circuits together ? |
|
| |
|
darko
Regular
Date registered: Mar 2012
Location: Isle of Man
Vehicle(s): 2003 G500
Posts: 62
| RE: Nolden LED Headlights - Help Needed !
Seems like this would be an ideal fix if possible :
http://www.peachparts.com/shopforum/diesel-discussion/208306-w124-h...
post number 12 talks about a similar problem and has a neat solution
Question is, does the G wagen use a similar system or is it a newer system built into the ECU ? |
|
| |
|
darko
Regular
Date registered: Mar 2012
Location: Isle of Man
Vehicle(s): 2003 G500
Posts: 62
| RE: Nolden LED Headlights - Help Needed !
Just discovered this solution :
Canbus HID Warning Cancellers
Towards the bottom of the page :
http://www.autolumination.com/equalizers.htm |
|
| |
|
darko
Regular
Date registered: Mar 2012
Location: Isle of Man
Vehicle(s): 2003 G500
Posts: 62
| RE: Nolden LED Headlights - Help Needed !
A small update.
Nolden in Germany have told me the LED lights have a safety feature which manages temperature etc and this will not allow the high & low beam to activate at the same time, this is why sadly the relay solution did not work
I will keep searching for the solution... |
|
| |
|
Floobydust
Veteran
Date registered: Mar 2014
Location: Massachusetts, USA
Vehicle(s): 1995 E320 Cabrio, 2003 G500, 2000 SL500, 1980 TR8
Posts: 284
| RE: Nolden LED Headlights - Help Needed !
Darko -
I am new to this board and new to the G500 having just acquired a 2003 G500, so this will be my first post here. But am not new to Mercedes in general having owned and worked on many MBs over the years. I am an electrical engineer by training and a working stiff by necessity. I saw your posts and the replies and I would like to make one more suggestion.
While you are ordering the 5 ohm resistors, order 4, 100 mfd, 25 vdc capacitors as well. Wire these in parallel with each of the dummy loading resistors (be sure to observe the proper polarity).
The reason I am suggesting this is that LED's need to be run in a regulated current mode. Modern LED lighting devices utilize a switching regulator circuit to accomplish this function (in the old days, we wasted power and just used resistors). Unfortunately, these can sometimes push current spikes back into the supply lines. Normally this isn't a problem in an automotive application (their electrical systems tend to be "dirty" anyhow), but I think it is possible that the current sensing circuit in the SAM is "seeing" these current spikes and interpreting them as a fault condition. The purpose of the capacitors is to filter the spikes so they don't reach the SAM. The caps are only a few quid (even from NTE) so it may be worth the experiment.
- FD
|
|
| |
|
darko
Regular
Date registered: Mar 2012
Location: Isle of Man
Vehicle(s): 2003 G500
Posts: 62
| RE: Nolden LED Headlights - Help Needed !
FD - thanks for this suggestion
I had just started reading about using capacitors in LED & HID conversions, it all seems to make a lot of sense
Here in the UK I am struggling to find 4100μF / 25V Capacitors from the usual suppliers though (RS Components etc) - I'll keep looking... ! |
|
| |
|
Floobydust
Veteran
Date registered: Mar 2014
Location: Massachusetts, USA
Vehicle(s): 1995 E320 Cabrio, 2003 G500, 2000 SL500, 1980 TR8
Posts: 284
| RE: Nolden LED Headlights - Help Needed !
That's 4 each, 100 mdf, 25 vdc capacitors, not "4100" mfd (that is not a standard value so you will never find one). The reason for four separate capacitors is one for each light function (high beam left, high beam right, low beam left, and low beam right). In reality, any value around a 100 mfd should work, but make sure the voltage rating is at least 25vdc. |
|
| |
|
darko
Regular
Date registered: Mar 2012
Location: Isle of Man
Vehicle(s): 2003 G500
Posts: 62
| RE: Nolden LED Headlights - Help Needed !
Aha - sorry ! My mistake
would these be ok :
http://www.maplin.co.uk/p/100f-25v-85c-radial-electrolytic-capacito... |
|
| |
|
Floobydust
Veteran
Date registered: Mar 2014
Location: Massachusetts, USA
Vehicle(s): 1995 E320 Cabrio, 2003 G500, 2000 SL500, 1980 TR8
Posts: 284
| RE: Nolden LED Headlights - Help Needed !
Yes, those would be fine, although you may find an axial style easier to wire. |
|
| |
|
darko
Regular
Date registered: Mar 2012
Location: Isle of Man
Vehicle(s): 2003 G500
Posts: 62
| RE: Nolden LED Headlights - Help Needed !
Turns out they don't carry them in stock..
I can order these ones though if they are ok too ?
http://uk.rs-online.com/web/p/aluminium-capacitors/0381497/ |
|
| |
