C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Need help to identify issue

Old Nov 29, 2020 | 12:23 PM
  #1  
Adil Rumjauny's Avatar
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W203 c200
Need help to identify issue

Hello, i have a 2007 W203 c200. The car is showing the following errors:
- Check brake fluid
- SRS
- ESP
- turn signal wont work
- A/C panel doest not work
- lights would turn on by themselves
- errors come and go
- windows wont work

However when i turn the car off, everything works normally

Anyone has experienced the same before?
Help greatly appreciated
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Old Nov 29, 2020 | 03:31 PM
  #2  
DjaKRAbb's Avatar
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Joined: Nov 2020
Posts: 129
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From: UK, RHD
Bicycle, 2004 c200k
Hello, you have some similar issues to this thread which never reached a fix but some suggestions where made. New member huge issue . the main issues quoted below:

Tele Aid SOS, low brake fluid, wear on brake pads, SRS and ABS light won’t shut off the e-brake light won’t shut off my high beam light won’t shut off they stay lite up on my dash. However my dash lights no longer work, I have no difference between my high and low beams they just stay on low. The temp on my dash reads 185 degrees that’s even if the car has sat overnight. My interior lights won’t stay on. My side mirrors no longer adjust, my sunroof won’t open, my wipers no longer work. THE SOS info light has started beeping twice for no reason.
Would you agree you have similar issues? a " failing electronic ignition switch" was mentioned and a "cooked front SAM" and a suggestion of trying to "read some error codes" from it.

** please keep posting and update this thread with your progress

Lets find a diagram/document going over what exactly is in the front fuse box first
https://fusesdiagram.com/mercedes/fu...edes-w203.html

so 3 fuse boxes, lets find out where each of your problems 'live'

SRS, abs, AC, lamp stuff live in the engine bay box.. but i just cant seem to see where the electric windows 'fuse' or something is hmm or better, where they get their power from.. strange if they ALL dont work... any noises from the motors? a click? anything?

Hopefully someone with knowledge chimes in , goodluck!

Does your horn work by any chance? Voltage on your battery? is the battery newly replaced? engine bay fuse box part number 2039060005

Last edited by DjaKRAbb; Nov 29, 2020 at 04:03 PM.
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Old Nov 30, 2020 | 07:56 AM
  #3  
Adil Rumjauny's Avatar
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W203 c200
Originally Posted by DjaKRAbb
Hello, you have some similar issues to this thread which never reached a fix but some suggestions where made. New member huge issue . the main issues quoted below:



Would you agree you have similar issues? a " failing electronic ignition switch" was mentioned and a "cooked front SAM" and a suggestion of trying to "read some error codes" from it.

** please keep posting and update this thread with your progress

Lets find a diagram/document going over what exactly is in the front fuse box first
https://fusesdiagram.com/mercedes/fu...edes-w203.html

so 3 fuse boxes, lets find out where each of your problems 'live'

SRS, abs, AC, lamp stuff live in the engine bay box.. but i just cant seem to see where the electric windows 'fuse' or something is hmm or better, where they get their power from.. strange if they ALL dont work... any noises from the motors? a click? anything?

Hopefully someone with knowledge chimes in , goodluck!

Does your horn work by any chance? Voltage on your battery? is the battery newly replaced? engine bay fuse box part number 2039060005

Hello, yes the issues seem similar. My horn is working fine and battery voltage is good. When scanning the car for errors, a lot of CAN related errors are showing
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Old Nov 30, 2020 | 08:04 AM
  #4  
DjaKRAbb's Avatar
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Joined: Nov 2020
Posts: 129
Likes: 16
From: UK, RHD
Bicycle, 2004 c200k
Something else i know nothing about ehm.. what kind of errors? sometimes scanning tools cannot 'communicate' with the 'canbus' and have errors then.
https://mbworld.org/forums/c-class-w...nbus-hell.html

This is like the blind leading the blind so forgive me
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