Re: [MBZ] Today's 400E Fun/Confusion

[Karl Wittnebel via Mercedes]

I have no doubt you will get it running. Should be a fun car and well worth
the trouble. I push my skinny 420 tires to the limit fairly often so the
sportier suspension on the 400e would be very nice.

On Feb 25, 2018 1:28 PM, "Kaleb C. Striplin via Mercedes" <
mercedes@okiebenz.com> wrote:

Sounds like you are in over your head on this one.

Sent from my iPhone

> On Feb 25, 2018, at 2:25 PM, Dan Penoff via Mercedes <
mercedes@okiebenz.com> wrote:
>
> I have the same diagnostic system the dealer has. It’s unlikely the
dealer has anyone capable of working on this car at the level required.
>
> I have a third (yes, third) generation MB independent nearby that would
be my go-to for this if I was to start asking for help at that level.
They’ve forgotten more than the dealer ever knew.
>
> -D
>
>
>> On Feb 25, 2018, at 3:22 PM, Andrew Strasfogel 
wrote:
>>
>> If beyond this point you are still stuck, would you consider having a
dealer to perform an advanced diagnostic test?
>>
>> On Sun, Feb 25, 2018 at 2:40 PM, Dan--- via Mercedes <
mercedes@okiebenz.com > wrote:
>> Thanks, Karl, PM sent.
>>
>> The typical culprits for these cars, which are nearly identical
functionally to the W140s of the same vintage, is bad wiring. However, mine
has all been replaced as has the ETA.
>>
>> As for the diagnostics, they’re actually pretty good for this vintage
model, and for that matter, the same on all other MBs of the same vintage,
so there’s nothing unique as far as the V8 W124 over any other model
produced at or around the same time.
>>
>> I’m not ready to toss in the towel.  It’s narrowed down now so it’s just
a matter of being able to zero in on the affected part and have at it
>>
>> Thanks!
>>
>> Dan
>>
>
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Re: [MBZ] Today's 400E Fun/Confusion

[Max Dillon via Mercedes]

Is the ASR light supposed to be lit in limp home mode?

Is limp home mode on all the time, or intermittent?
-- 
Max Dillon
Charleston SC
'87 300TD
'95 E300
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Re: [MBZ] Today's 400E Fun/Confusion

[Kaleb C. Striplin via Mercedes]

Sounds like you are in over your head on this one. 

Sent from my iPhone

> On Feb 25, 2018, at 2:25 PM, Dan Penoff via Mercedes  
> wrote:
> 
> I have the same diagnostic system the dealer has. It’s unlikely the dealer 
> has anyone capable of working on this car at the level required.
> 
> I have a third (yes, third) generation MB independent nearby that would be my 
> go-to for this if I was to start asking for help at that level.  They’ve 
> forgotten more than the dealer ever knew.
> 
> -D
> 
> 
>> On Feb 25, 2018, at 3:22 PM, Andrew Strasfogel  wrote:
>> 
>> If beyond this point you are still stuck, would you consider having a dealer 
>> to perform an advanced diagnostic test?
>> 
>> On Sun, Feb 25, 2018 at 2:40 PM, Dan--- via Mercedes > > wrote:
>> Thanks, Karl, PM sent.
>> 
>> The typical culprits for these cars, which are nearly identical functionally 
>> to the W140s of the same vintage, is bad wiring. However, mine has all been 
>> replaced as has the ETA.
>> 
>> As for the diagnostics, they’re actually pretty good for this vintage model, 
>> and for that matter, the same on all other MBs of the same vintage, so 
>> there’s nothing unique as far as the V8 W124 over any other model produced 
>> at or around the same time.
>> 
>> I’m not ready to toss in the towel.  It’s narrowed down now so it’s just a 
>> matter of being able to zero in on the affected part and have at it
>> 
>> Thanks!
>> 
>> Dan
>> 
> 
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> 
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> 
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> 


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Re: [MBZ] Today's 400E Fun/Confusion

[Andrew Strasfogel via Mercedes]

I keep on forgetting that the '90s models -- although still "new" to me --
are in fact are antiquated and of little interest to the dealership
community.

On Sun, Feb 25, 2018 at 3:25 PM, Dan Penoff via Mercedes <
mercedes@okiebenz.com> wrote:

> I have the same diagnostic system the dealer has. It’s unlikely the dealer
> has anyone capable of working on this car at the level required.
>
> I have a third (yes, third) generation MB independent nearby that would be
> my go-to for this if I was to start asking for help at that level.  They’ve
> forgotten more than the dealer ever knew.
>
> -D
>
>
> > On Feb 25, 2018, at 3:22 PM, Andrew Strasfogel 
> wrote:
> >
> > If beyond this point you are still stuck, would you consider having a
> dealer to perform an advanced diagnostic test?
> >
> > On Sun, Feb 25, 2018 at 2:40 PM, Dan--- via Mercedes <
> mercedes@okiebenz.com > wrote:
> > Thanks, Karl, PM sent.
> >
> > The typical culprits for these cars, which are nearly identical
> functionally to the W140s of the same vintage, is bad wiring. However, mine
> has all been replaced as has the ETA.
> >
> > As for the diagnostics, they’re actually pretty good for this vintage
> model, and for that matter, the same on all other MBs of the same vintage,
> so there’s nothing unique as far as the V8 W124 over any other model
> produced at or around the same time.
> >
> > I’m not ready to toss in the towel.  It’s narrowed down now so it’s just
> a matter of being able to zero in on the affected part and have at it
> >
> > Thanks!
> >
> > Dan
> >
>
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>
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>
> To Unsubscribe or change delivery options go to:
> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>
>
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Re: [MBZ] Today's 400E Fun/Confusion

[Dan Penoff via Mercedes]

I have the same diagnostic system the dealer has. It’s unlikely the dealer has 
anyone capable of working on this car at the level required.

I have a third (yes, third) generation MB independent nearby that would be my 
go-to for this if I was to start asking for help at that level.  They’ve 
forgotten more than the dealer ever knew.

-D


> On Feb 25, 2018, at 3:22 PM, Andrew Strasfogel  wrote:
> 
> If beyond this point you are still stuck, would you consider having a dealer 
> to perform an advanced diagnostic test?
> 
> On Sun, Feb 25, 2018 at 2:40 PM, Dan--- via Mercedes  > wrote:
> Thanks, Karl, PM sent.
> 
> The typical culprits for these cars, which are nearly identical functionally 
> to the W140s of the same vintage, is bad wiring. However, mine has all been 
> replaced as has the ETA.
> 
> As for the diagnostics, they’re actually pretty good for this vintage model, 
> and for that matter, the same on all other MBs of the same vintage, so 
> there’s nothing unique as far as the V8 W124 over any other model produced at 
> or around the same time.
> 
> I’m not ready to toss in the towel.  It’s narrowed down now so it’s just a 
> matter of being able to zero in on the affected part and have at it
> 
> Thanks!
> 
> Dan
> 

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Re: [MBZ] Today's 400E Fun/Confusion

[Andrew Strasfogel via Mercedes]

If beyond this point you are still stuck, would you consider having a
dealer to perform an advanced diagnostic test?

On Sun, Feb 25, 2018 at 2:40 PM, Dan--- via Mercedes 
wrote:

> Thanks, Karl, PM sent.
>
> The typical culprits for these cars, which are nearly identical
> functionally to the W140s of the same vintage, is bad wiring. However, mine
> has all been replaced as has the ETA.
>
> As for the diagnostics, they’re actually pretty good for this vintage
> model, and for that matter, the same on all other MBs of the same vintage,
> so there’s nothing unique as far as the V8 W124 over any other model
> produced at or around the same time.
>
> I’m not ready to toss in the towel.  It’s narrowed down now so it’s just a
> matter of being able to zero in on the affected part and have at it
>
> Thanks!
>
> Dan
>
> > On Feb 25, 2018, at 1:52 PM, Karl W  wrote:
> >
> > When I bought the 1994 E420, it went into limp mode. Straight off the
> trailer! I took it to Herbert, my cranky German mechanic, who took one look
> and said why did you buy this piece of s***? I said I thought you liked
> w124 cars? He said yes, but not the V8! Ended up needing wiring harness
> upper and throttle body.
> >
> > I think switching out the computer modules is standard diagnostic
> practice if you know the harnesses and throttle body are good. I have
> backups for all of them in a box. They come up on the 500e board a lot. A
> guy named Jeff Wong aka captruff will buy w124s and part them out, usually
> wagons, 400 or 500e. Gsxr and others also.
> >
> > Herbert did say that one half of the ignition will routinely die willy
> nilly and that the diagnostics are terrible. I guess that comports with
> your findings thusfar.
> >
> > I can send you whatever modules I have.
> >
> >
> >
> >
> >
> >> On Feb 25, 2018 10:17 AM, "Dan Penoff via Mercedes" <
> mercedes@okiebenz.com> wrote:
> >> So my confusion continues:
> >>
> >> 1993 400E (W124.034)
> >>
> >> Complaint:  In limp home mode, ASR light is lit at all times.  Engine
> has high idle (1200-1300 rpm) and surges with no load.  When loaded (in
> gear or driving) engine is smooth and performance is good.  Engine
> harnesses, both upper and lower, have been replaced.  ETA has been replaced
> with a Mercedes factory unit.  Accelerator cable and linkage are adjusted
> to spec.
> >>
> >> Diagnostics:
> >>
> >> Analog (LED) tester and blinks:
> >>
> >> LH - OK
> >> CC/ISC - 2
> >> ABS/ASR - 30
> >> BM - OK
> >> EZL - OK
> >>
> >> With the SDS I got:
> >>
> >> LH - OK
> >> EZ1 - 017 - Crankshaft position sensor L5 (current fault, could b a
> “phantom” fault according to the WIS)
> >> EFP/TPM/ISC - 014 - Control module EFP N4/1 (stored)
> >> GM - OK
> >> ASR - 030 - CAN: No reception from EFP N/1
> >>
> >> I can’t find anything in the WIS for a code 014 for the E-GAS (EFP)
> module.
> >>
> >> Is it possible I have a bad E-GAS module?  I have one on hand with a
> different number, however, it came from a car without ASR if that matters.
> I know that that number 2 for the CC/ISC is a real laundry list of stuff
> and is not terribly conclusive with the analog tester.
> >>
> >> Close inspection shows the diagnostic connector to be clean and
> intact.  Wires in the box are good as well and show no indication of damage
> or wear.
> >>
> >> I’m befuddled.
> >>
> >> -D
> >>
> >>
> >>
> >> ___
> >> http://www.okiebenz.com
> >>
> >> To search list archives http://www.okiebenz.com/archive/
> >>
> >> To Unsubscribe or change delivery options go to:
> >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
> >>
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>
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Re: [MBZ] Today's 400E Fun/Confusion

[Dan--- via Mercedes]

Thanks, Karl, PM sent.

The typical culprits for these cars, which are nearly identical functionally to 
the W140s of the same vintage, is bad wiring. However, mine has all been 
replaced as has the ETA.

As for the diagnostics, they’re actually pretty good for this vintage model, 
and for that matter, the same on all other MBs of the same vintage, so there’s 
nothing unique as far as the V8 W124 over any other model produced at or around 
the same time.

I’m not ready to toss in the towel.  It’s narrowed down now so it’s just a 
matter of being able to zero in on the affected part and have at it

Thanks!

Dan

> On Feb 25, 2018, at 1:52 PM, Karl W  wrote:
> 
> When I bought the 1994 E420, it went into limp mode. Straight off the 
> trailer! I took it to Herbert, my cranky German mechanic, who took one look 
> and said why did you buy this piece of s***? I said I thought you liked w124 
> cars? He said yes, but not the V8! Ended up needing wiring harness upper and 
> throttle body.
> 
> I think switching out the computer modules is standard diagnostic practice if 
> you know the harnesses and throttle body are good. I have backups for all of 
> them in a box. They come up on the 500e board a lot. A guy named Jeff Wong 
> aka captruff will buy w124s and part them out, usually wagons, 400 or 500e. 
> Gsxr and others also.
> 
> Herbert did say that one half of the ignition will routinely die willy nilly 
> and that the diagnostics are terrible. I guess that comports with your 
> findings thusfar.
> 
> I can send you whatever modules I have.
> 
> 
> 
> 
> 
>> On Feb 25, 2018 10:17 AM, "Dan Penoff via Mercedes"  
>> wrote:
>> So my confusion continues:
>> 
>> 1993 400E (W124.034)
>> 
>> Complaint:  In limp home mode, ASR light is lit at all times.  Engine has 
>> high idle (1200-1300 rpm) and surges with no load.  When loaded (in gear or 
>> driving) engine is smooth and performance is good.  Engine harnesses, both 
>> upper and lower, have been replaced.  ETA has been replaced with a Mercedes 
>> factory unit.  Accelerator cable and linkage are adjusted to spec.
>> 
>> Diagnostics:
>> 
>> Analog (LED) tester and blinks:
>> 
>> LH - OK
>> CC/ISC - 2
>> ABS/ASR - 30
>> BM - OK
>> EZL - OK
>> 
>> With the SDS I got:
>> 
>> LH - OK
>> EZ1 - 017 - Crankshaft position sensor L5 (current fault, could b a 
>> “phantom” fault according to the WIS)
>> EFP/TPM/ISC - 014 - Control module EFP N4/1 (stored)
>> GM - OK
>> ASR - 030 - CAN: No reception from EFP N/1
>> 
>> I can’t find anything in the WIS for a code 014 for the E-GAS (EFP) module.
>> 
>> Is it possible I have a bad E-GAS module?  I have one on hand with a 
>> different number, however, it came from a car without ASR if that matters. I 
>> know that that number 2 for the CC/ISC is a real laundry list of stuff and 
>> is not terribly conclusive with the analog tester.
>> 
>> Close inspection shows the diagnostic connector to be clean and intact.  
>> Wires in the box are good as well and show no indication of damage or wear.
>> 
>> I’m befuddled.
>> 
>> -D
>> 
>> 
>> 
>> ___
>> http://www.okiebenz.com
>> 
>> To search list archives http://www.okiebenz.com/archive/
>> 
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>> 
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Re: [MBZ] Today's 400E Fun/Confusion

[Dan Penoff via Mercedes]

So my confusion continues:

1993 400E (W124.034)

Complaint:  In limp home mode, ASR light is lit at all times.  Engine has high 
idle (1200-1300 rpm) and surges with no load.  When loaded (in gear or driving) 
engine is smooth and performance is good.  Engine harnesses, both upper and 
lower, have been replaced.  ETA has been replaced with a Mercedes factory unit. 
 Accelerator cable and linkage are adjusted to spec.

Diagnostics:

Analog (LED) tester and blinks:

LH - OK
CC/ISC - 2
ABS/ASR - 30
BM - OK
EZL - OK

With the SDS I got:

LH - OK
EZ1 - 017 - Crankshaft position sensor L5 (current fault, could b a “phantom” 
fault according to the WIS)
EFP/TPM/ISC - 014 - Control module EFP N4/1 (stored)
GM - OK
ASR - 030 - CAN: No reception from EFP N/1

I can’t find anything in the WIS for a code 014 for the E-GAS (EFP) module.

Is it possible I have a bad E-GAS module?  I have one on hand with a different 
number, however, it came from a car without ASR if that matters. I know that 
that number 2 for the CC/ISC is a real laundry list of stuff and is not 
terribly conclusive with the analog tester.

Close inspection shows the diagnostic connector to be clean and intact.  Wires 
in the box are good as well and show no indication of damage or wear.

I’m befuddled.

-D



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