E-Class (W211) 2003-2009

Help Needed- Errors

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Old Jan 15, 2014 | 05:11 PM
  #1  
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E200
Help Needed- Errors

Hi folks sorry to drag up an old post but this student is in trouble.

Car
2003 W211 E Class 1.8 Petrol
Background:
Occasionally I had been getting an error on the dash "Malfunction Electrical Comsumers switched off" This error would show it head every so often but it would go away so I must admit I ignored it.
While driving home last week the car pretty much died on me. The radio went off, indicators stopped working, Heater/AC stopped. I tried to brake to slow down as I got a lot of warning lights on. THE BRAKES WERE GONE

Eventually I got the car stopped on the side of the road and tried to disconnect the battery etc and nothing changed. The car went into limp mode and I got it home as it wasn't far. (wouldn't come out of first gear)

Now at the moment the car is sitting there and when I start it there is various errors on the display:
"Malfunction Electrical Comsumers not switched on"
"ESP defective visit workshop"
"ABS defective visit workshop"
"Battery symbol -(Red) visit workshop"

There was a lot more (BAS was one) but thats what I have left.

I hope these would be all related. I have also read about this other battery. Does anyone with experience know if trying to change this battery would be a start rather than brining it to a garage ?

I just an not sure what this second battery is for ?

Thanks in advance
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Old Jan 15, 2014 | 06:31 PM
  #2  
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2010 GL450
IF I were you, I would have a proper indie shop replace the 2nd small battery thats in the passenger side engine bay. Then check/replace the main battery depending on how old it is. If the problem persists, replace the relay (sorry forgot what the proper name is) thats mounted near the 2nd small battery that controls when the 2nd small battery receives a charge. That relay may be the culprit.
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Old Jan 16, 2014 | 01:21 AM
  #3  
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Thanks for replies. I am gonna change the small better myself. I have checked the voltage on the main battery and found it to be 11.5V. I would be surprised if it was an alternator issue but might be wrong.

What does the main battery and the small engine control ?
No sure what controls what


Thanks
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Old Jan 16, 2014 | 09:14 AM
  #4  
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2010 GL450
The small battery is for sbc brakes. The main is for everything els. How old is the main battery? If it's over 4 years old, change that also.
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Old Jan 16, 2014 | 10:39 AM
  #5  
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Aux battery connects when the main battery is too low to assist on board system not just SBC, attachment explains system and will assist to diagnose problem.

FYI: If the systems (main) battery is disconnected, you should check the following for normal operation if inoperative or erratic then you will have to perform normalization.
• ESP
• Automatic air conditioning
• Left & right front seat memory/adjustment
• Steering wheel and mirrors memory/adjustment
• Windows and sunroof
Attached Files
File Type: pdf
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Old Jan 16, 2014 | 11:18 AM
  #6  
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Ok thanks, not sure how old the main battery is to be honest. I have had the car a little over 2 years and neither has been changed. Without sounding miserable I am a student and trying to get this up and running as cheap a possible.
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Old Jan 16, 2014 | 11:49 AM
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2010 GL450
The aux (small motorcycle) battery can be bought from ebay fairly cheap. But have someone that knows what they are doing replace it. The main battery can be had for under $200. Save up and replace both. Also, autozone will do a free charging system test to make sure it isn't your alternator.
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Old Jan 16, 2014 | 04:12 PM
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Originally Posted by konigstiger
Aux battery connects when the main battery is too low to assist on board system not just SBC, attachment explains system and will assist to diagnose problem.

FYI: If the systems (main) battery is disconnected, you should check the following for normal operation if inoperative or erratic then you will have to perform normalization.
• ESP
• Automatic air conditioning
• Left & right front seat memory/adjustment
• Steering wheel and mirrors memory/adjustment
• Windows and sunroof

Thanks what exactly is the image ? Is they where the relay is ? Mine is a european model, will this make a difference ?
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Old Jan 16, 2014 | 04:19 PM
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Sounds like the alternator to me..or somewhere a shorty and needed to be tracked down.
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Old Jan 16, 2014 | 04:39 PM
  #10  
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Surely the battery wouldn't have 11.5v if it wasn't getting charged. ?

Also the car is starting no issue
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Old Jan 16, 2014 | 05:22 PM
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Check the voltage to the main battery while the car is running. If you about 13.5-14.6V then your alternator is fine.
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Old Jan 16, 2014 | 05:26 PM
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Originally Posted by jandmtv
Check the voltage to the main battery while the car is running. If you about 13.5-14.6V then your alternator is fine.
It's a 12v battery here and when running I've got 11.5v so yeah don't think it's the alternator myself
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Old Jan 16, 2014 | 06:05 PM
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If you got 11.5V from the battery while the car was running then your charging system needs to be checked. That's too low.
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Old Jan 16, 2014 | 06:14 PM
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Ok will recheck it tomorrow. Got confused. I know what you mean now

Last edited by TheFridge; Jan 16, 2014 at 06:19 PM.
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Old Jan 16, 2014 | 06:16 PM
  #15  
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While the car is running, your charging system should be putting out 13.5-14.6v to the battery. I understand your battery is 12v. But your charging system is not 12v it's higher.
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Old Jan 18, 2014 | 07:10 AM
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Seems you folks are probably right Altenator
I had the battery checked this morning (Main battery) and the battery is a good one..
I feel really stupid now tho. I took the battery out of the car and brought it garage to get checked. The door locks are open but the boot (trunk) is locked. So now I can't get the boot opened to put the battery back in .
I have got a price to get the alternator refurb done. Is it easy to take out and put in yourself ?
Thanks
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Old Jan 18, 2014 | 07:11 AM
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Ah the small key I remember now lol
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Old Jan 23, 2014 | 10:22 PM
  #18  
Eayacht's Avatar
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From: Miami
2003 E320 W211
Originally Posted by TheFridge
Hi folks sorry to drag up an old post but this student is in trouble.

Car
2003 W211 E Class 1.8 Petrol
Background:
Occasionally I had been getting an error on the dash "Malfunction Electrical Comsumers switched off" This error would show it head every so often but it would go away so I must admit I ignored it.
While driving home last week the car pretty much died on me. The radio went off, indicators stopped working, Heater/AC stopped. I tried to brake to slow down as I got a lot of warning lights on. THE BRAKES WERE GONE

Eventually I got the car stopped on the side of the road and tried to disconnect the battery etc and nothing changed. The car went into limp mode and I got it home as it wasn't far. (wouldn't come out of first gear)

Now at the moment the car is sitting there and when I start it there is various errors on the display:
"Malfunction Electrical Comsumers not switched on"
"ESP defective visit workshop"
"ABS defective visit workshop"
"Battery symbol -(Red) visit workshop"

There was a lot more (BAS was one) but thats what I have left.

I hope these would be all related. I have also read about this other battery. Does anyone with experience know if trying to change this battery would be a start rather than brining it to a garage ?

I just an not sure what this second battery is for ?

Thanks in advance
I recently, changed my rear tires but installed the wrong size. The profile was a bit higher so as I left the shop all the lights on my dash turned on while driving, ABS, ESP, Brakes, etc and also my trans was stuck on 1st gear, I drove right back to the shop and they determined that by installing the wrong size tires it sets off the O.B.C. When the mechanic plugged in the computer he had to Clair all on the codes, then I installed the correct size tires, cars runs great.
So I suggest you have a tec look at your vehicle, and have a computer plugged in to check for any codes and have them cleared.
Good luck!
Reply
Old Jan 23, 2014 | 10:24 PM
  #19  
Eayacht's Avatar
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Joined: Nov 2013
Posts: 134
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From: Miami
2003 E320 W211
Originally Posted by TheFridge
Hi folks sorry to drag up an old post but this student is in trouble.

Car
2003 W211 E Class 1.8 Petrol
Background:
Occasionally I had been getting an error on the dash "Malfunction Electrical Comsumers switched off" This error would show it head every so often but it would go away so I must admit I ignored it.
While driving home last week the car pretty much died on me. The radio went off, indicators stopped working, Heater/AC stopped. I tried to brake to slow down as I got a lot of warning lights on. THE BRAKES WERE GONE

Eventually I got the car stopped on the side of the road and tried to disconnect the battery etc and nothing changed. The car went into limp mode and I got it home as it wasn't far. (wouldn't come out of first gear)

Now at the moment the car is sitting there and when I start it there is various errors on the display:
"Malfunction Electrical Comsumers not switched on"
"ESP defective visit workshop"
"ABS defective visit workshop"
"Battery symbol -(Red) visit workshop"

There was a lot more (BAS was one) but thats what I have left.

I hope these would be all related. I have also read about this other battery. Does anyone with experience know if trying to change this battery would be a start rather than brining it to a garage ?

I just an not sure what this second battery is for ?

Thanks in advance
I recently, changed my rear tires but installed the wrong size. The profile was a bit higher so as I left the shop all the lights on my dash turned on while driving, ABS, ESP, Brakes, etc and also my trans was stuck on 1st gear, I drove right back to the shop and they determined that by installing the wrong size tires it sets off the O.B.C. When the mechanic plugged in the computer he had to Clair all on the codes, then I installed the correct size tires, cars runs great.
So I suggest you have a tec look at your vehicle, and have a computer plugged in to check for any codes and have them cleared.
Good luck!:
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