Question about Mercedes-Benz Cars & Trucks
High beam reporting not working and stops working. Then turn off the engine, key position 0 and then High beam is working for 10 seconds more, then you get the message again, the high beam is working but if you release the knob and try to activate the high beam is not working again. Once again you have to stop, key position to 0 and then turn on. High beam for more 10 seconds. Any idea?The model is a GLK 350CDI with ILS.I have the same reporting problem with parking front light L/R but they are working fine. Any ideas?
The bulb check system in Mercedes is very sensitive to ( bulb watt ) I am sure there is problem with the headlight bulb it self also the parking light bulbs, I advise you to change the bulbs, this will sort out the problem.
Posted on Mar 20, 2014
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Posted on Jan 02, 2017
SOURCE: INOP low beam and high beams
The problem is the headlight switch itself - it's one of the most common failures on these cars. The part, brand-new, is about $158 from ECSTuning.com. Replacing it involves removing the airbag and steering wheel - not difficult but a little nerve-wracking due to the power of the airbag.
If this is something you want to tackle on your own, reply back here and I can give you a step-by-step on doing the work yourself. Or you can go to a shop/dealer and just have them do it. They'll probably charge you at least two hours' labor, even though it's a 40 minute job. Let me know what you would like to do.
Posted on Dec 11, 2008
The low beam headlamps have a seperate fuse for each lamp in the central or underdash fuse panel.
The right headlamp is fuse fuse 26 (10amp) and the left is fuse 28 (10 amp). These fuse are hot only when headlamps are on so you need to test them with a test light with headlamps on. If they do not have power to them then concern is either headlamp switch or daytime running lamp relay if your vehicle is equipped with this feature, or a bad multifunction switch.
Power leaves the headlamp switch on the RD/YE wire and goes to multifunction switch. It leaves multifunction switch on the other RD/YE wire The wire will then go thru either a connector c2003 located behind the passenger side air bag behind the dash or to the DRL relay if your vehicle has this feature and leaves there on RD/BK wire to the headlights .
Posted on Feb 24, 2009
WHAT HAPPENED IS WHEN YOU SHUT DOWN AND RESTARTED YOU (RESET THE ENGINE MANAGEMENT COMPUTER) AND THE SERVICE LIGHT SHOULD GO OUT AFTER 10 MINUTES OF DRIVING
Posted on May 12, 2009
had the same problem on my 92....check under the hood on the drivers side,towards the front,there is a "junction box" with all of the lighting wires connecting from the switches to the lights.My wires were all corroded inside,so I cleaned the ends and bought a new box from the local electronic supply store.The problem has not come back.
Posted on Jul 15, 2009
just replace the dimmer switch under the column its wore out on the low beam side
Posted on Jan 17, 2010
Testimonial: "It's great to know that there's not a whole lot more to check! I wouldn't have guessed I was so close. Thanks!"
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