overhead console




and
does anyone knows if the glk automatically shuts-off the power after X amount of minutes after the key is pulled-out? some cars have this feature to make sure that the battery won't be drained.
Thanks!




No, it does not, and I think most cars with remote control receivers (for keys etc.) do not either. There is always a small current surge from (and internally in -) the battery, which finally will "drain" it.
My previous cars have that feature that cuts-off amenity power after X amount of minutes after you lock your car and can't imagine a merc not having this feature.
Bummer! if that is the case i cannot hot wire the radar detector on the lights as the detector won't shut-off by itself.
I didn't catch the connection between the "glk automatically shuts-off the power" question and the wiring of the detector, focused on how to open the overhead console as I were. Sorry.
So wiring the the radar detector to interior lights should certainly not drain the battery when the car is locked (or the key is not in the ignition lock).




According to the GLK manual is the interior lighting functions not automatically deactivated when the key is the position #2 of the ignition lock. Meaning the overhead console will have a source of 12VDC when engine is running = car may be driving = time for the need of a radar detector, I persume. Whether the source has the available current (power) as needed for the auxillary equipment or not, is another part of the story. Which most likely is the case, given your "route" is chosen.
When the key no longer is in that position the voltage (power) is disconnected in some way, most likely by a control signal? I just don't know, not having seen a wiring diagram or circuit layout of the overhead console.
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Even though I can get into the roof mounted consol, I don’t want to take power from there because all of that stuff is fed from one of the computers. I took power from the power plug in the glove box which is switched with the ignition.
I left some room at the mirror and then pushed the wire under the headliner along the windshield. Bring the wire down the front of the pillar along the windshield pushing it in so it is hidden. At the bottom work it in along the bottom of the pillar. Once the dash end cover is off, you can make it totally disappear by working it back and forth. This way you don not need to remove the pillar cover or mess with the air bag.
I removed the cover under the glove box (three torex screws) that covers the cabin filter. I then removed the passenger dash side cover by opening the glove box and pulling the cover outward and then towards the back. It comes right off. In the C-class blog they say to remove the glove box. It is much harder to remove the glove box in the GLK than in the C class. For the GLK you need to remove the wood piece to get at the top screws. This requires removing the air ducts in the center, as the wood piece needs to move towards the driver to be unclipped from the dash panel before pulling out. There is no need to do this!
Reaching under the glove box, I was able to disconnect the electrical connector from the power plug. The connector comes off sideways not straight out the back. It took a little pressure and trying to get your arm in the correct place was a pain.
Once the connector was off, I could pull it down so I had some room to work. I cut back the cloth wrap and connected the wires to the power plug cable, pink stripe is plus, brown is ground. I used crimp on connectors that take a push-on connector. Get them at Radio Shack.. My cable, as it came from Bell, has a fuse and extra wire. This was easily pushed into the area above the glove box. Then replace the side panel and the filter cover.
I have my detector high up on the driver side next to the mirror. I pulled the cable tight around the mirror support and tucked it under the headliner with only the plug sticking out. The small wire around the mirror mount is hard to see but could be put under the roof consol. Unit works like a charm and turns off when I leave.
Supposedly, it would be better to have the detector down low on the dash as that is more likely to pick up laser guns. I guess you could lead the wire along the front of the dash rather than up the post.. I may do this, if my unit misses some of the NJ lasers.
There is a picture of a typical power plug showing the electrical connection which needs to be removed from the side not back.




