ow
> 'zackly what fixed it.
>
> If it happens again, try just disconnecting battery for coupla minutes first.
>
> Wilton
>
> - Original Message - From: "Dan Penoff via Mercedes"
>
> To: "Mercedes List"
> Cc: "Dan Penoff"
cedes List"
Cc: "Dan Penoff"
Sent: Tuesday, May 12, 2015 11:41 AM
Subject: [MBZ] S500 Won't Start
First and foremost, the car is now running. I'm not exactly sure why.
Here's what I did in order:
1.) Replaced CPS. Car would not start.
2.) Fuel pressure was def
I may not have been clear. After all I did the car started and ran. Road tested
it and all is well.
Dan
> On May 12, 2015, at 11:47 AM, Rich Thomas via Mercedes
> wrote:
>
> Unreplace the replaced items and try again. It looks like the Fuses or EZL
> connectors (I don't know what an EZL is)
Unreplace the replaced items and try again. It looks like the Fuses or
EZL connectors (I don't know what an EZL is) is/are probably it, since
that is what started the car. Even with bad fuel filters it was running
a bit before, so it was getting some fuel, right?
Or just leave it alone.
--R
First and foremost, the car is now running. I'm not exactly sure why.
Here's what I did in order:
1.) Replaced CPS. Car would not start.
2.) Fuel pressure was definitely low. Replaced fuel filter. Fuel pressure was
definitely improved. Car would not start.
3.) Disconneced battery. Removed an
True, except that the CPS isn’t looked at until the key is released
How can it time the spark without using the CPS? There are no
points, etc.
-- Jim
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Thanks for weighing in, Peter. That’s pretty much what it does. Cranks,
fires, then dies as soon as you let go of the key.
I’ll post in the morning with the results.
Dan
> On May 11, 2015, at 7:08 PM, Peter Frederick via Mercedes
> wrote:
>
> Bad crankshaft position sensor will leave the
Bad crankshaft position sensor will leave the engine inoperative
except when cranking, I believe. And they tend to work or not, don't
usually go intermittent.
Peter
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That's actually pretty hilarious.
On Mon, May 11, 2015 at 3:32 PM, Dan Penoff via Mercedes <
mercedes@okiebenz.com> wrote:
> “VOR" is the acronym that Mercedes dealers use for overnight priority
> parts shipments from their depots. I don’t know what it stands for, all I
> know is I can VOR a par
“VOR" is the acronym that Mercedes dealers use for overnight priority parts
shipments from their depots. I don’t know what it stands for, all I know is I
can VOR a part or get it on a stock order. If it’s in ANY depot in the USA and
I need it tomorrow, putting in a VOR gets the part to me by 7
VORing??
On Mon, May 11, 2015 at 1:04 PM, Dan Penoff via Mercedes <
mercedes@okiebenz.com> wrote:
> Nope. Fresh fuel from a trusted Tier 1 supplier. And the tank was down
> to roughly 1/4 full.
>
> Thanks,
>
> Dan
>
>
> > On May 11, 2015, at 12:05 PM, Randy Bennell via Mercedes <
> mercedes@oki
Nope. Fresh fuel from a trusted Tier 1 supplier. And the tank was down to
roughly 1/4 full.
Thanks,
Dan
> On May 11, 2015, at 12:05 PM, Randy Bennell via Mercedes
> wrote:
>
> Could you have a bad tank of fuel?
> Water in the fuel?
>
> RB
>
> ___
> ht
Could you have a bad tank of fuel?
Water in the fuel?
RB
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years. When the module failed the
car would start sometimes but wouldn't stay
running. On that car it was easy to replace
although required a special socket that was
cheap and easy to get.
-Curt
From: Dan Penoff via Mercedes
To: Okie Benz
Cc: Dan Penoff
Sent: Monday, May 11,
True, except that the CPS isn’t looked at until the key is released with the
expectation that there is a signal to the EZL from it so the EZL can take over
spark and timing. During cranking there is a fixed signal for spark and timing,
essentially bypassing the EZL until cranking is done.
At le
Unless I'm wrong, the CPS on these things is behind _all_
spark timing. There are no points, etc. So if it's completely
dead there won't even be a cough, much less any running at all.
-- Jim
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Yeah I was thinking that as well. I feel like we had a vehicle that had one go
bad but I can't remember any more about it.
Good luck!
-Curt
From: Dan Penoff via Mercedes
To: Okie Benz
Cc: Dan Penoff
Sent: Monday, May 11, 2015 9:49 AM
Subject: Re: [MBZ] S500 Won't Start
> Sent: Monday, May 11, 2015 8:09 AM
> Subject: Re: [MBZ] S500 Won't Start
>
> I heard them running when the car is sitting and the ignition is on, although
> I couldn’t tell if both were running or just one, of course.
>
> If the fuel pump(s) were bad, would it still hav
-Curt
From: Dan Penoff via Mercedes
To: Okie Benz
Cc: Dan Penoff
Sent: Monday, May 11, 2015 8:09 AM
Subject: Re: [MBZ] S500 Won't Start
I heard them running when the car is sitting and the ignition is on, although I
couldn’t tell if both were running or just one, of course.
I
I heard them running when the car is sitting and the ignition is on, although I
couldn’t tell if both were running or just one, of course.
If the fuel pump(s) were bad, would it still have enough pressure to start?
The fuel pump relay on this car isn’t too bad as far as cost from what I see.
I
Check to see if the fuel pump(s) run when you flip the key on, and
also run when it is cranking.
If not, the relay is bad, sadly it's the monster electronic one on
that car, I believe.
Peter
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Look at the fuel pump(s) and it's relay if there's more than one fuel
pump, then check power to them.
On Sun, May 10, 2015 at 9:56 PM, Dan Penoff via Mercedes <
mercedes@okiebenz.com> wrote:
> Unfortunately, the 1995 and earlier models had analog diagnostics, so the
> only thing I can check
Unfortunately, the 1995 and earlier models had analog diagnostics, so the only
thing I can check is the little blinky LED under the hood. At least it’s
something.
I don’t think the battery is the culprit, as the car was running down the road
just fine when it quit. Belt is intact and there wa
All of 'em if more than one (likely).
Wilton
- Original Message -
From: "Dan Penoff via Mercedes"
To: "Mercedes List"
Cc: "Dan Penoff"
Sent: Sunday, May 10, 2015 10:01 PM
Subject: Re: [MBZ] S500 Won't Start
I'll check my records.
So, hook another battery via jumper cables to it and see if it keeps
running?
Wilton
- Original Message -
From: "Curly McLain via Mercedes"
To: "Mercedes Discussion List"
Cc: "Curly McLain" <126die...@gmail.com>
Sent: Sunday, May 10, 2015 9:58 PM
since you've had it?
>
> Wilton
>
> - Original Message - From: "Dan Penoff via Mercedes"
>
> To: "Mercedes List"
> Cc: "Dan Penoff"
> Sent: Sunday, May 10, 2015 9:41 PM
> Subject: [MBZ] S500 Won't Start
>
>
>> I&#x
COmpression, fuel and ignition. I doubt compression has changed
unless someone sugared his gas tank. I have no idea how you check
ignition on these COP gassers. That leaves fuel ( and battery.)
We had a battery that would crank the 380SL, but the fuel relay would
not hold in. After I chan
I'm out on the side of the road with my son's S500 coupe. He says he was
driving down the road and it just quit on him. He pulled over and attempted to
restart the car without any luck. He said it did start and idle for a minute,
then quit again and would not restart. Plenty of fuel, all the ele
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