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Thread: Im over my head!!

  1. #1
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    Im over my head!!

    well last night i got my first engine light, so this morning i pulled the codes, i have read them but i dont know what to do exactly. these are the codes i pulled i read the code book but just need help finding what to do

    pin#6: 11
    pin#8: 13
    pin#19: 26,17

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    Re: Im over my head!!

    now, clear the codes and go drive it until the light comes back on. Pull the codes again.

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    Re: Im over my head!!

    pin#6: 11 - ABS/ASR hydraulic unit, solenoid valve relay (A7/3k1) - Could be a fluke, clear this and see if it returns

    pin#8: 13 - Base module (N16/1) voltage supply output fuse F4, open circuit - Check fuse, clear code, probably a "false" code

    pin#19: 17 - Data exchange malfunction between individual control modules - Strange, but clear it & see if it returns

    pin#19: 26 - Upshift delay switchover valve, open/short circuit - The solenoid might be unplugged?


    Of these four codes, only the last one (code 26 on pin #19) is what triggered the CEL (Check Engine Light) on the dash.


    Dave M.
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    Re: Im over my head!!

    Upshift delay ? Is that the one on the driver's side fwd most component?

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    Re: Im over my head!!

    Yep, it's right behind the brake booster. It's the cold upshift delay that helps heat the catalysts after a cold start. One vac line in, one vac line out (to tranny Bowden cable). The code is complaining about an electrical fault, NOT a vacuum issue or shifting issue.


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    Re: Im over my head!!

    ok im still new to this car where is this solenoid to check if its unpluged
    thanks for everyones help

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    Re: Im over my head!!

    sorry forget that last message i wrote i didnt know you wrote that until i sent it

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    Re: Im over my head!!

    No worries. I can post a photo if needed....


  12. #9
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    Re: Im over my head!!

    ya i just looked behind the brake booster and i didnt see anything unpluged or unhook but the car does hold a shift when it cold that sometimes rough. a picture would be great.
    and im still interested in you doing the traction control button.

  13. #10
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    Re: Im over my head!!

    well i just cleared the codes i got in my car and my radio doesnt turn on and everything else on the dash works except for the hazard light switch but the glows when you turn on your headlights. i looked at the fuse and its still good what should i do

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    Re: Im over my head!!

    That is bizarre. Have you checked ALL the fuses in the fuse box, plus the couple of fuses outside the fuse box, and the four in the CAN box...? ALso make sure the battery is still at ~12.5v, if you had the key on for a long time checking codes, that could drain a weak battery. BT, DT....


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    Re: Im over my head!!

    well the car starts with no problem

  16. #13
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    Re: Im over my head!!

    the cabin light switch above me doesnt turn on either what should i do

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    Re: Im over my head!!

    have you physically removed the fuse(s) and inspected them? Sometimes they look fine but will fall apart when you touch them.


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    Re: Im over my head!!

    haha ya thats what happened it was fuse #9 it looked fine and i also didnt look at that fused think it wasnt that one either
    thanks for your help. well you post a picture later when you got time about the codeshowing what im looking for exactly

    thanks, elias

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    Re: Im over my head!!

    you should change all those junk alloy fuses out for copper. Thing One to do w/ Any Benz that's being fussy w/ electronics.

    jono
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    Re: Im over my head!!

    Quote Originally Posted by jhodg5ck View Post
    you should change all those junk alloy fuses out for copper. Thing One to do w/ Any Benz that's being fussy w/ electronics.

    jono
    Exactly! I was about to write the same.
    Given the age these cars have, i usually do replace all of them.
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  21. #18
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    Re: Im over my head!!

    ya i will have to check out changing out the fuses. well my engine light light came on again and i got some different codes
    this time i got
    pin#4: 24, 25
    pin#8: 13(the same as last time
    pin#19: 5, 18
    pin#30: 3

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    Re: Im over my head!!

    Those codes are:

    - Pin 4, code 24: left-side cam timing solenoid is open or shorted circuit
    - Pin 4, code 25: right-side cam timing solenoid is open or shorted circuit
    - Pin 8, code 13: Base Module fuse #4 has an open circuit
    - Pin 19, code 5: EGR inoperative
    - Pin 19, code 18: adjustable cam timing solenoid open or short circuit
    - Pin 30, code 3: driver's side airbag disconnected / circuit broken / shorted

    In your groups of codes, I see several codes that have to do with electrical items. Go in your trunk and take a look at your cable connections on the battery. Make sure they're not corroded, and make sure you have a good battery (at least 12V) as well as TIGHT positive and negative battery cable connections. As I experienced, a loose small wire connection at the positive terminal (the small wire, not the BIG cable), which supplies all power to the CAN box computers (only to that location), was causing intermittent communication faults with the computers.

    You clearly also have some codes having to do with the cam timing solenoids. I don't believe that both of your solenoids are bad -- I believe it's an electrical interruption to them that's causing the system to throw those three codes.

    Same with the airbag. If you haven't had the steering wheel off the car and the airbag disconnected (have you?), then it's an electrical supply problem to that system.

    So, my best educated guess is that you have a power/voltage supply problem, and I believe it's at the battery. I'll bet that Arctic Idaho winter you guys had finally tipped your battery over the edge, and it's just weak enough to cause this kind of stuff. You either have a weak/partially dead battery (how old is your battery, and is it a good quality battery?) or you have corroded/loose connections to that battery. Given all of these other seemingly random switches and lights that are failing intermittently, this points even further to a bad power supply. ALSO, check your negative/ground where it attaches to the chassis (in the trunk, and underhood) to make sure that it isn't corroded and making partial contact. Looks can be deceiving, so you may want to loosen all connections, take a wire brush and brush them off (including INSIDE batter terminal connectors, and brush the individual battery posts themselves that the cables connect to), and replace and re-tighten everything.

    How old did you say your battery was? If it's more than 5 years old, it may well be living on borrowed time.

    Cheers,
    Gerry

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    Re: Im over my head!!

    Check the upper & lower wiring harnesses aswell!
    Christian K.
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    09/1989 300E - DB172 Anthrazitgrau-Metallic
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  24. #21
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    Re: Im over my head!!

    No i havent taken off the steering wheel or the passenger air bag. im not sure how old the battery is, but it still starts strong. the car runs strong with no problem. but after i erased the codes they came back on when i started the car not when i was driving.

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    Re: Im over my head!!

    deoxit cleaner and protectant all the possible grounds.

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    Re: Im over my head!!

    heres a dumb question how many ground points are on this car and where they at.

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    Re: Im over my head!!

    Here you go.
    Attached Files Attached Files

  28. #25
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    Re: Im over my head!!

    thats every one for yur help. i engine light came on again.
    #4-25,25
    #8- 13
    #19-4,5,18
    there all th same but #19-4 is the new code

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    Re: Im over my head!!

    I'm becoming more suspicious of the engine harness. Has the engine harness been replaced yet? If it's original... you're wasting your time messing with codes. Click here to see how to check the date code of the harness.

    Dave M.
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  30. #27
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    Re: Im over my head!!

    well i looked and i found the date on the wiring harness, it said 24.08.92. looks like it the original harness.

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    Re: Im over my head!!

    Replace Immediately!!! Dont start the car until it is replaced, or you could risk multiple ECU damages.
    Christian K.
    06/1992 500E - DB199 Blauschwarz-Metallic
    09/1989 300E - DB172 Anthrazitgrau-Metallic
    11/1998 E430 - DB339 Violan-Metallic
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  32. #29
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    Re: Im over my head!!

    Do you think I've done damage for driving it the last few days

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    Re: Im over my head!!

    Hopefully not, but if the harness is toast, it should be replaced ASAP. Lowest price will be from parts.com. Assuming you h ave a 1993 500E, it will be part # 124-440-20-06, MSRP $770, parts.com has it for $552 + S&H (click here). It's a DIY replacement, takes an hour or two.

    You can check your old harness by carefully slitting open the external black tube to look at the wires inside, if it's bad, you'll see the insulation all cracked and falling off the copper conductors:


  34. #31
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    Re: Im over my head!!

    Is this the upper or lowering wiring harness.

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    Re: Im over my head!!

    Upper harness at the top of the engine, goes to the injectors, MAF sensor, coolant temp sensors, etc. Photo of a new one shown below.

    Attached Images Attached Images
    Dave M.
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    Re: Im over my head!!

    Lower harness also will need attention too soon but it's cheaper. The Upper harness is probably causing most of your strange codes.

    Man we are so lucky in the USA to have parts.com!

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    Re: Im over my head!!

    thanks for everyone help i just ordered one this morning.

    thanks,
    elias b

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    Re: Im over my head!!

    is there a DIY guide to do this wiring harness ive been looking for it but cant find any

  39. #36
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    Re: Im over my head!!

    hi every one well yesterday i installed my new upper wiring harness, so after i installed it the check engine light was off for most of the day later last night it came on again. i pulled these codes
    pin 4: 24,253
    pin 6: 30 28
    pin 8: 13
    pin 17: 1
    pin 19: 5,6, 18
    pin 23: no blinks
    pin 30: 1
    pim 31: no blinks

  40. #37
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    Re: Im over my head!!

    i also tried clearing all the codes but still my CEL stays on

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    Re: Im over my head!!

    Are you 100% certain that you are clearing the codes properly? And after clearing, are you re-checking (before starting the engine) to verify that they are cleared, and you are back to "one blink"?

    FYI - there are no systems at pin 23 or pin 31, you can skip those.


  42. #39
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    Re: Im over my head!!

    So what should I do with the error codes that I got

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    Re: Im over my head!!

    What should I do with the error codes that I gptgpt

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    Re: Im over my head!!

    Quote Originally Posted by Elias R Bisharat View Post
    What should I do with the error codes that I gptgpt
    Clear them (properly)
    Christian K.
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    Re: Im over my head!!

    You have to clear each code separately. They do not go away by themselves. Instructions are in this document:

    http://www.w124performance.com/docs/...counter_38.pdf

    When you are done clearing each code, you should be able to check each system (before starting the engine!) and verify that all systems have 1 blink (no codes present). THEN, start the car, drive it for a few days, and check codes again.


  46. #43
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    Re: Im over my head!!

    ok today i pulled the codes
    pin 4: 24,25
    pin 8: 13
    pin 19: 4, 5, 18

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    Re: Im over my head!!

    Quote Originally Posted by Elias R Bisharat View Post
    ok today i pulled the codes
    pin 4: 24,25
    pin 8: 13
    pin 19: 4, 5, 18
    Did you cleared the old ones properly like dave described it? There were really zero codes (1 Blink) left for each module? Then you did test-drives till todas and those codes re-appeared?
    Christian K.
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    09/1989 300E - DB172 Anthrazitgrau-Metallic
    11/1998 E430 - DB339 Violan-Metallic
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  48. #45
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    Re: Im over my head!!

    Ya. Cleared them twice and got the same codes

  49. #46
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    Re: Im over my head!!

    I cleared them and the CEL light if off the only pin that didn't go back to 1 blink was pin 19.

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    Re: Im over my head!!

    So what codes do you have left on Pin 19?
    Christian K.
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    09/1989 300E - DB172 Anthrazitgrau-Metallic
    11/1998 E430 - DB339 Violan-Metallic
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    Re: Im over my head!!

    I would:

    1) Check all four blade-style fuses on the Basic Module (BM) inside the CAN box... remove them and check with an ohm meter

    2) Unplug the cam solenoids at the front of the engine and measure the resistance in ohms for each


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  52. #49
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    Re: Im over my head!!

    ok ill check those right away. also i was wondering when we can do that traction control botton private message me to get my number and work out a date. and wheres this can box

    elias bisharat

  53. #50
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    Re: Im over my head!!

    I checked the four fuses in the there good I haven't checked tanything with an ohms meters I don't have one ill check them in the morning at the local shop what should be the reading in the meter when I test them

  54. #51
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    Re: Im over my head!!

    problem solved!!!!

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    Re: Im over my head!!

    Quote Originally Posted by Elias R Bisharat View Post
    problem solved!!!!
    What was the issue(s) ?
    Christian K.
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    09/1989 300E - DB172 Anthrazitgrau-Metallic
    11/1998 E430 - DB339 Violan-Metallic
    06/2003 CL55 AMG KOMPRESSOR - DB197 Obsidianschwarz-Metallic


  56. #53
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    Re: Im over my head!!

    sorry for the late response. but what happed the first fuse in the can back was juk then i put a new one in and it had a defect in it, but i still replaced the wiring harness

    thanks for all the help

  57. #54
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    Re: Im over my head!!

    CEL question.

    On M104, pin #14, and 11 blinks.

    Message: "Fuel safety shut-off signal to engine control module (N3/4) 23 18.0
    Closed throttle recognition signal to engine control module (N3/4)".

    Could this throw a CEL in the Cabriolet? The CEL will not go away even after clearing codes AND disconnecting the battery.
    Trae
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  58. #55
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    Re: Im over my head!!

    Did you replace the ETA yet?
    Blue Ridge Mercedes Jonathan Hodgman
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  59. #56
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    Re: Im over my head!!

    I'll have to look in the records, but I can't remember it being replaced.

    Its the cabriolet that you saw with Klink.

    Runs great however. I thought the CEL was only related to emissions.
    Last edited by Trae; 06-06-2015 at 09:24 AM.
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  60. #57
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    Re: Im over my head!!

    Trae, you have to check codes on pin #3 (DM) of your Cabrio, this will tell you what is triggering the CEL. It's possible the DM itself has failed... not likely, but possible. I had that on one of my cars. Based on what you describe, you may find code #16 on the DM / pin 3.

    See page 4 of this PDF:
    http://www.124performance.com/docs/m..._W124_M104.pdf


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    Re: Im over my head!!

    Fuel safety shutoff is a certain limp-home mode that is triggered whenever something severe is odd with the the electronic throttle system on HFM, LH and ME Systems. Its there for a reason, so the ETA for instance can not accelerate the engine over a certain RPM itself.
    I'd check the ETA/Electronic Throttle system as a whole, they go bad on the M104 just like they do on the M119s....
    Christian K.
    06/1992 500E - DB199 Blauschwarz-Metallic
    09/1989 300E - DB172 Anthrazitgrau-Metallic
    11/1998 E430 - DB339 Violan-Metallic
    06/2003 CL55 AMG KOMPRESSOR - DB197 Obsidianschwarz-Metallic


  62. The Following 2 Users Say Thank You to Christian_K For This Useful Post:

    Glasgo_Chris (06-06-2015), Trae (06-06-2015)

  63. #59
    E500E Guru Trae's Avatar
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    1,627

    Re: Im over my head!!

    OK, #3 pin shows only 4 blinks that I read by depressing the button just below pin 3.

    (The banana plug on pin 1 was too large to allow my blink code reader to plug into pin 3.)

    Attempted to clear code, but it would not clear. Guess they are serious about the environment.

    Here is the message: "Air injection inoperative".
    Last edited by Trae; 06-06-2015 at 10:18 AM.
    Trae
    1992 500E Renntech
    1993 500E
    1990 560SEC/ 2001 SL500
    1991 560SEC ECE/1995 E320 Cabriolet

  64. #60
    Senior Member
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    Re: Im over my head!!

    Quote Originally Posted by Trae View Post
    OK, #3 pin shows only 4 blinks that I read by depressing the button just below pin 3.

    (The banana plug on pin 1 was too large to allow my blink code reader to plug into pin 3.)

    Attempted to clear code, but it would not clear. Guess they are serious about the environment.

    Here is the message: "Air injection inoperative".
    Trae - Did you root cause code 4 on your cabrio?

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