Drives: 2006 Mercedes-Benz S500; 2008 BMW 750Li Individual
Originally Posted by aestafford1
I locked my keys in the trunks of my 2002 S500 and the battery is dead. I did leave my fron door open. Anyway to get get power to the battery so I can pop open the trunk?
1. Remove the mechanical key from the SmartKey or push down on the mechanical (if you have the original SmartKey from the vehicle)
2. Insert that mechanical key into the lock where you press to open the trunk.
3. Trunk is open.
2006 Mercedes-Benz S500 2008 BMW Individual 750Li 2013 Infiniti G37x
Thanks for the reply but they are going to charge. I just need to figure out a way to get power to the battery. Can I do it though the Alternator or any othe scources from underneath the hood or maybe some how open the back seats.
Drives: His mama. Traded y0 mama in because she was squeaking.
Don't you have battery post access tabs on that car?
Look on the passenger side under the door, see if you have a square tab there. That should be your + side. Double check, though. I've never had to use mine, and mine is a 215, so it may be different than yours.
Mercedes Benz Owner's Gun Club, Member #85.
mercedes roadside assistance is free no matter the age of your car
If you dont want to use them, all you need to do is get a "portable jumpstart" machine that plugs into the cigarette lighter, they dont do a good job to charge the battery enough to start the car, but should give the car enough power to pop the trunk.....
most auto parts stores and large dept stores sell them
or the have lighter to lighter jump starters..again not really powerful enough to start the car, but will give enough juice to pop the trunk
These cars do not like jump starts, there are chargers through the cigarette lighter, etc. but I do not recommend them, you will most likely fry the Electronic Gateway Module which will cost you 10X of what MB Roadside might charge to open your trunk.
I recommend you call MB Roadside and ask if there is a charge and how much.
All the same aestafford, when you introduce an external source into the electrical system you risk a power surge damaging electronics in these cars. Did you try Sathina's suggestion? I recall my 2000 S500 had battery posts in the trunk which are used for jump starting, so his suggestion might be a good one for you.
Since everyone is touchy on this subject, DO AT YOUR OWN RISK!
I had the battery crap out on me a few times, and the trunk would not open with the blade either, and I jumped my 02 S500 numerous times without any electronic damage, but the 02's dont have the Electronic Gateway Module. What you can do is fold down the floor carpeting on the front passenger side, remove the metal shield thats held in place by 3 10mm plastic nuts, and you will see and exposed positive terminal, one where the red battery cable connects to. Connect the positive end of the jumper to it, and connect the negative to any exposed stud or any other bare metal on the frame. There you go. Works for me every time.
Drives: SL55AMG, Ferrari 348, Ferrari Testarossa, Ferrari F40, Ferrari Mondial t, Ducati 916, Indycar
If you are out of warranty MB Roadside will charge you. Wouldn't you rather pay a few bucks to have this done correctly, rather that play games with your $100K+ car?
I have had to call MB Roadside for my SL55 on a couple of occasions, and it was worth the money, and they took great care of the car. btw, the pricing was more than fair.
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Wouldnt they just use the jumpstart point mentioned below:
Originally Posted by nenad16
What you can do is fold down the floor carpeting on the front passenger side, remove the metal shield thats held in place by 3 10mm plastic nuts, and you will see and exposed positive terminal, one where the red battery cable connects to. Connect the positive end of the jumper to it, and connect the negative to any exposed stud or any other bare metal on the frame. There you go. Works for me every time.
Ive never seen this power point, maybe someone can take a picture of it so we all know where it is?