radio code after oil,brake and battery change - Mercedes-Benz Forum

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Old 10-09-2011, 10:58 PM   #1 (permalink)
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radio code after oil,brake and battery change

today i changed the oil the rear brakes and the battery and my radio code came on, the thing is i got my radio code in my booklet think my question is what would of caused the message to come on could it be cause i changed the battery or did i touch something that i shouldn't have while changing the oil brake or battery? the car is at 62000 km's and its been 6 years and i just changed the battery for the first time in this car.
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Old 10-09-2011, 11:17 PM   #2 (permalink)
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Yes, the battery change

Yes due to the battery change.

Also go to the owners manual to reset steering angle sensor, sunroof, windoes, seats, etc.
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Old 10-09-2011, 11:26 PM   #3 (permalink)
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will it show in the owners manual what else i have to reset and how to cause no other warning came on
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Old 10-10-2011, 11:02 AM   #4 (permalink)
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Copied this info from the sticky.

After disconnecting/reconnecting the battery ground cable

1) Enter the security code for the radio.
- Enter the number on the radio card and hit "OK"

If the code is entered incorrectly, word "CODE" appears on the display. After entering the wrong code for 3 times, "WAIT" appears on the display and the radio is disabled for 10 mins. After entering the wrong code for 3 more times, radio is disabled for 60 mins.

2) Re-activate steering angle sensor
- Start the engine
- Turn the steering wheel from lock to lock.
- Malfunction lamp should turn off.

3) Synchronize sunroof
- Open sunroof and hold down the switch. Sunroof moves to the end position, pulls back 1/4 turn and stops.

4) Synchronize power windows (as of VIN A289565)
- Press the switch for the power windows to the 1st actuation point, and then hold down for another 5 seconds after the windows has reached its top end position.

Note: When removing and installing battery, always remove the key from ignition to avoid fault codes. Remove the ground cable first and connect it last. Insulate both cable terminals to prevent unintentional contacts.
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Old 10-10-2011, 11:08 AM   #5 (permalink)
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thank you very much i will get those done as soon as i have a chance
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Old 10-10-2011, 11:59 AM   #6 (permalink)
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thank you very much guys i realized it was only radio and sunroof and my rip computer date time compass.my power windows and steering malfunction lamp didn't come on so all i did was reSynchronize my sunroof set the time and unlocked my radio as the rest was working again thank you very much
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Old 10-11-2011, 06:42 PM   #7 (permalink)
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Quote:
Originally Posted by Merzatt View Post
Copied this info from the sticky.

After disconnecting/reconnecting the battery ground cable

1) Enter the security code for the radio.
- Enter the number on the radio card and hit "OK"

If the code is entered incorrectly, word "CODE" appears on the display. After entering the wrong code for 3 times, "WAIT" appears on the display and the radio is disabled for 10 mins. After entering the wrong code for 3 more times, radio is disabled for 60 mins.

2) Re-activate steering angle sensor
- Start the engine
- Turn the steering wheel from lock to lock.
- Malfunction lamp should turn off.

3) Synchronize sunroof
- Open sunroof and hold down the switch. Sunroof moves to the end position, pulls back 1/4 turn and stops.

4) Synchronize power windows (as of VIN A289565)
- Press the switch for the power windows to the 1st actuation point, and then hold down for another 5 seconds after the windows has reached its top end position.

Note: When removing and installing battery, always remove the key from ignition to avoid fault codes. Remove the ground cable first and connect it last. Insulate both cable terminals to prevent unintentional contacts.
Really interesting. Over the weekend I managed to disconnect the negative terminal only. Radio code came on and I did the reset. I don't have any errors showing up. Do I have to re-synch everything?
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Old 10-11-2011, 07:24 PM   #8 (permalink)
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Originally Posted by Darkmann View Post
Really interesting. Over the weekend I managed to disconnect the negative terminal only. Radio code came on and I did the reset. I don't have any errors showing up. Do I have to re-synch everything?
Yes!
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