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Please HELP! Persisting Electrical Problems!

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Old Nov 16, 2004 | 08:18 PM
  #1  
KompressorKev's Avatar
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Joined: Jun 2003
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From: bay area, california
'14 428i M-Sport, '02 C32 AMG
Please HELP! Persisting Electrical Problems!

hello, i am in desperate need of your help

my car does not start. even worse, it now does not even accept any of my keys and i cannot turn the key to any power settings whatsoever! here's the story:

1) i got bixenons and hid fogs a little while ago, maybe 2 weeks ago. maybe five days later, my car does not start. when i put the key in, it was fine. i could turn on the radio, and my COMAND said something very close to "battery voltage too low. start engine or battery will die within 3 minutes". so i jumped it and drove it a bit, and it worked fine. it died the next day. i jumped it again, and drove it a bit, and it worked fine. again it died the next day...as a side note, the lcd dash looked and illuminated fine, but now the temperature reading in the bottom left said "+ 185F", which i thought was unusually high temperature!

2) so i called Roadside Assistance, who came in 1/2 an hour to my house and i saw the guy replace the whole new battery. he got a fresh one from his E-wagon and i saw him replace the whole unit. the car worked normally for maybe 4 days or so. but i know it's less than a week. lcd dash is bright, stereo works fine, and car feels and operates normal.

3) then the car dies again! i decide to jump it again, so it put the key in, put the gear selector to "Neutral" and then took off the parking brake, and pushed the car out of my garage. my garage is cramped so i can't park a car next to it and jump it. but i am able to roll the car out of my garage while it is off and jump it. the car works for fine. i drive it a lot, several hours. it works the next day...i guess the alternator was recharged when driving a long time. however, i did not drive it for one day, and now it does not start!

4) now it does not start, but it is even worse than before. it does not even recognize my key when i put it in; i cannot turn it! therefore, i cannot put the gear selector to "Neutral" to even push the car out! it is stuck in park, yet i cannot jump it in the garage cause it's too cramped.

*few things to note:

- car is a 2002 C32 AMG
- in total it has been maybe fewer than 10 days since my new battery.
- it is now worse than before as power is even more drained, yet the interval between driving the car has not changed...
- car operates fine if driven for long time the day before
- i just got aftermarket (but OEM) bixenons, but no ECU reflashed: not yet set to "xenons present" (haven't had time to go get it flashed at place yet)

long story short: my car battery died. i jumped it a few times, yet it still died. Roadside Assistance replaced a whole new battery at my house. the car worked fine for a few days, but it died again. it seems to have lost even more power, and it cannot even accept my key or turn on the radio or any lights!

please help me out and offer any expertise or experience with this or similar issues. i would really appreciate it! my car is completely stuck and i can't even put it into Neutral. i am hesitant to have Roadside Assistance bring it to the dealer, for fear of voiding my electronic warranty. do you guys think my warranty will be voided if they find out i have HID's and bixenons? thanks!

kevin
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Old Nov 17, 2004 | 07:46 AM
  #2  
Ted Baldwin's Avatar
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Joined: Dec 2001
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.....this happened to my G after some work was done to the Comand. At rest, with engine off, the comand was drawing current from the battery so that every two days, my car battery died. You need a really good mechanic, and unfortunately MB mechanics will simply look for fault codes and start replacing things. You need each current source from your battery tested with your car off, to figure out which source is draining the battery at rest. Since you had new Xenons put in, chances are that it was wired wrong.

Ted
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