S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

SRS warning, child recognation sensor

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Old 01-01-2012, 06:05 PM
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SRS warning, child recognation sensor

I decided to change by myself Child Seat Recognition sensor , which is located at the Front Passenger seat . After that the Dealer told me that I have to replace the child recognition sensor and that would cost me $ 690 , I thought I can do that by myself . Actually I made some research at ALLDATADIY.COM and they explain all the process in a proper way , but I am not sure do I have to remove all the Passenger Seat ? If yes, can somebody please tell me How to remove it ? There are few screws on the floor and I am not sure which are the right ones ?

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Old 01-01-2012, 06:45 PM
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10 speed bicycle
There are 4 E12's to R&R the seat. Disconnect the electrical connectors and the seatbelt height adjustment cable.

Seat is now out
Old 01-01-2012, 09:07 PM
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Originally Posted by MBtech1098
There are 4 E12's to R&R the seat. Disconnect the electrical connectors and the seatbelt height adjustment cable.

Seat is now out
what is R&R PLEASE ?
Old 01-01-2012, 09:14 PM
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Remove and replace or remove and reinstall.
Old 01-01-2012, 10:24 PM
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Thank you MBtech , I am trying to do fix it by myself and I do not want to make things worse , for that reason i like to be sure. Are this 4 E 12'S on the floor or 2 E 12'S on each side of the Passenger seat ?

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Old 01-01-2012, 10:38 PM
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If you see an e12 in the seat frame screwed into the floor...take it out.
Old 01-02-2012, 04:25 PM
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Originally Posted by MBtech1098
If you see an e12 in the seat frame screwed into the floor...take it out.
I just finished . I replace the child recognition sensor. I took the 4 e12s on the flor and remove the passenger seat. I install that again . I connect the positive cable to the Battery and start the car. No more SRS sensor , but after 2-3 seconds I read Airmatic, ESP visit workshop and brake sensor or something like that.
Any suggestion ?
Thank you in advance
Old 01-02-2012, 09:24 PM
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Did you re-normalize the steering angle sensor after disconnecting the battery?
Old 01-02-2012, 09:36 PM
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Originally Posted by MBtech1098
Did you re-normalize the steering angle sensor after disconnecting the battery?
No sir , what is this ? Do I have to go to the Dealer now to fix that problem ?
Old 01-02-2012, 09:39 PM
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Do you thing I can get that fixed if I disconnect the Battery again ?
Old 01-02-2012, 09:42 PM
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Turn the wheel lock to lock after starting the vehicle. You should be all set.
Old 01-03-2012, 10:55 AM
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Originally Posted by MBtech1098
Turn the wheel lock to lock after starting the vehicle. You should be all set.
Can you be more specific please ?

thanks
Old 01-03-2012, 02:21 PM
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MBtech1098 I fixed my problem as you told me. It was very simple and again I appreciate your big help, your time and your immediate response.

Thank you again my friend I wish you all the Best in 2012
Old 01-03-2012, 02:38 PM
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how much did you get the SRS seat sensor for? My dealer wholesale price is $364.00

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