Srs error every morning

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Apr 19, 2016 | 10:29 PM

ljtigre

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c200 year 2000 (w203)

Srs error every morning

Hi, everyone... i get an srs error every morning. Also the drivers door will not unlock or lock with the key's remote. The driver' panel wont work either. I have had my car scanned and 20 plus faults were cleared (mostly with the various modules). It was ok
For a day, then again.... my next step is to have my battery checked - i have a 95 amp varta wc is less than 2 yrs old., bought this in germany and am using in the philippines. Most mechanics ive been to asvise replacing batt with an import, which is quite costly, thus am holding off. Thus far, i have disconnected both seat modules as the drivers seat was grounded. Again it was ok for a few days after that, then again, the srs issue started again. Im at a loss... i will have the car scanned again this weekend. My battery voltage is at 12.1 every morning, 14 when i start, then 13.5 while running, then about 12.8 after a 15 min drive. Any ideas? Should i change my battery? Thanks in advance.....

Apr 19, 2016 | 10:42 PM

Holmes5518

Senior Member

Joined: Sep 2006

Posts: 300

Likes: 16

From: Northwest Arkansas

2016 C450

No. your battery is fine. Get a scan and post the results.

Apr 19, 2016 | 11:35 PM

ljtigre

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Joined: Apr 2014

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c200 year 2000 (w203)

Last scan...

The mechanic says some of the errors may be because my battery was once discharged and it was disconnected for testing, but the codes were not cleared. I do hope its not my starter again, as i had to get a new starter and had it programmed by mb berlin - quite a costly affair.

Last edited by ljtigre; Apr 19, 2016 at 11:43 PM.

Apr 20, 2016 | 10:52 PM

Holmes5518

Senior Member

Joined: Sep 2006

Posts: 300

Likes: 16

From: Northwest Arkansas

2016 C450

There's no airbag faults. That's impossible, if the SRS light came on there should be a stored fault. Codes weren't cleared?

Apr 21, 2016 | 12:15 AM

VVF

MBWorld Fanatic!

Joined: Sep 2011

Posts: 1,657

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From: Austin, TX

2005 C230K(sold), Mk7 Jetta

Btw, if the battery drops to 12.1 overnight it's pretty weak...
Mine usually sits at about 12.3 after 5 days of not driving, and it's older than yours.

Apr 21, 2016 | 09:40 AM

ljtigre

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c200 year 2000 (w203)

Quote:

Originally Posted by Holmes5518

There's no airbag faults. That's impossible, if the SRS light came on there should be a stored fault. Codes weren't cleared?

it was not on that time. but it is on almost every morning, then comes off.
its really weird, i also cannot open the windows, and the drivers door does not unlock. it stays on while i drive to work (aboutn 12 mins) its usually gone when i start the car at night for my drive home. the codes were cleared after this reading, but not before. airbag fault has been going on for the past few months.

Apr 21, 2016 | 09:44 AM

ljtigre

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c200 year 2000 (w203)

Quote:

Originally Posted by VVF

Btw, if the battery drops to 12.1 overnight it's pretty weak...
Mine usually sits at about 12.3 after 5 days of not driving, and it's older than yours.

which is a battery drain from somewhere, which cannot be found at the moment? or battery, which i bought during winter, does not like tropical weather?

im taking car back to be scanned again, and hopefully they can figure out what could be wrong. i just fear that one day, the car will just suddenly die on me at the worst possible time.