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New Member ex BMW owner. My S 600 will not crank

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

New Member ex BMW owner. My S 600 will not crank

 
Old 10-30-2017, 09:00 PM
  #1  
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2003 S 600
New Member ex BMW owner. My S 600 will not crank

Hello all. I have a S 600 that i just purchased that started but ran very rough.

1) It showed codes with none of the left bank cylinders firing.
2) It Showes the ESP malfunction on the display
3) It shows a SRS malfunction on the display
4) The radio and speakers do not work
5) The ESP off button does not seem to work. ( not sure what it should do. lol) Maybe turn off the ESP fault?
6) The 'sport' mode button stays on constantly after i push it many times.
7) All lights and every thing else works fine when i turn of the key but no crank or engine turning over with key turned all the way.
Also i have no known blown fuses. But still must check if all fuses are receiving power.
I removed the voltage transformer and fixed three vacuum tubes and also the map sensor near the voltage sensor.
I have jumped the starter relay from pin 87 to pin 30 and the starter turns over easily.
So i need a little guidance in starting to eliminate things to find the culprit.
Thanks in advance for any and all help here. I have read a lot of threads about my problem and know there are many helpful posters here.
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Old 10-30-2017, 10:59 PM
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Im confused - does it start and run rough , or will it not start anymore at all ?

first thing to check is fuses under passenger carpet
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rottenrick1969 (10-31-2017)
Old 10-31-2017, 12:18 AM
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2003 S 600
Yeah sorry about not being more clear. I bought the car and it ran rough with the whole left bank not firing. So i figured it must be the coil pack or the voltage transformer. But taking off the transformer i noticed some broken vacuum lines and fixed them. I had the transformer unplugged then put it all back together and plugged in.
After this it will not even crank. The lights go on and everything seems to work. Except the radio and the 'sport' button is stuck on. Also the ESP off switch does not seem to do anything. But i'm not sure what it should do to the ESP malfunction if you push it. Maybe it does nothing with the car off?
Anyway. The main thing is it will not even crank with the key all turned to start it. It did before i fixed some vacuum hoses but not any longer. Engine does not crank. I jumped the starter relay and the starter does great.
So i ordered another relay and also have wondered if i should purchase a set of shifter, key, engine ecu, transmission ecu. I found some on ebay for a w220 but it says for a s 430 or s 500. Will they work for my s 600?
Or what other troubleshooting should i do? I will be purchasing a star diagnostics in a week or so but while waiting i'd like to do some troubleshooting.

Thanks for your quick response tusabes. I've read a lot of your stuff lately.
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Old 10-31-2017, 12:59 AM
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2003 S 600
Oh yes i have checked the fuses under the passenger seat foot area. All looked good. I need to check if power is to all of the fuses though i guess. I imagine some aren't 'active' all the time?
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Old 11-01-2017, 04:34 AM
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Mercedes
Just to clarify you are checking the main fuses under the front passenger carpet , right ?

not the rear passenger seat foot area !
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Old 11-01-2017, 07:58 AM
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2003 S430
Do a search for "fuses under carpet" or similar in this and the BenzWorld W220 forums.
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Old 11-02-2017, 02:10 AM
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2003 S 600
Yeah thanks for answering. I pulled the carpet and took off the metal plate and the fuses under there look good. I have been studying the wiring diagrams to chase where else to troubleshoot but some advise would be greatly appreciated. I have put in a new starter relay also now and still the same problem. And as i said earlier when i jump pin 87 to 30 on the relay position the starter turns over fine. So I need to eliminate some other areas troubleshooting i guess. I was wondering if a shifter, ignition, key and ECU from a S 500 would likely fix the problem? I am hoping to get it onto a star diagnostic system asap.
The other issue is the diagnostic port is not communicating either. Maybe this will be another hint for some of you that have dealt with this issue? Thanks for any help.
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Old 11-02-2017, 08:55 AM
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2003 S430
I would start by checking in the start relay socket to see if the neutral safety switch is sending the correct signal to trigger the relay.

"...and the fuses under there look good." I hope that you mean, "I carefully tested the fuses and their connections and they are passing full power." A visual inspection doesn't do much...
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Old 11-02-2017, 11:50 AM
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2003 SL500, 2012 E350 4Matic P2
Have you tried starting the car in the neutral position? You may have a park interlock issue. Sometimes when I park my car on just the right incline angle it will not start in "Park". I shift into neutral and the car will start. I think perhaps a shifter issue.

Bob

Last edited by mercy-me; 11-02-2017 at 11:52 AM. Reason: clarity
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Old 11-02-2017, 05:27 PM
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2003 S 600
Hello again and thanks for your input. I have checked all the connections under the carpet on passenger footwell and all connections read 12.25-12.27 volts.
Then i tested the relay and did not feel it clicking when put into the starting position. Position three i think. But i also put the volt meter on each of the pins and had someone turn the key to each position. Here is what i have:
As I said i can crank the engine jumping the pins 30 to pin 87.
With the volt meter: Pin 30 or 3 shows 11.920 volts
Pin 87 shows nothing as i suppose it should until connected
Pin 87 a shows .002 volts
Pin 86 shows 4.22 volts when the key is turned to crank the engine.
Pin 85 shows .,904 volts
I hope this helps. I also tried moving the shifter into each position holding the key down in the start position. I have to do this on my swather i cut hay with. lol So i tried it on the car. Mercedes are a bit different than a Case swather though. lol
Thanks again. I value your help.

Last edited by rottenrick1969; 11-02-2017 at 05:29 PM. Reason: correction
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Old 11-02-2017, 09:11 PM
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2003 S 600
Ok guys i found the culprit. I found the small fuse box on the passenger side near the larger fuse box. A 20 amp fuse was blown and it cranks and starts now. I feel pretty stupid about it but as I was advised before to check the fuses and make certain they are functional is the best starting point.
I have worked on BMW cars more and this is my first Mercedes so i'm learning as i go. Thanks a lot for your help. Now i am back to my original problem. I will start a new post for some advice on this one too.
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