[W126 Coupe] Died on the road

[Dan Gardner]

Hi Neville
I had a similar experience with mine,pumps ran,good sparks turned out to be 
intermittent EHA ( the small black box on the side of the fuel 
distributor)would shut the fuel off every 4 months without warning then 
reset itself.Cost me a lot of towing fees plus untold grief.

    When I finally found out,I felt like hitting the "Little Bastard" with a 
hammer!!!!!!!!!

                                                                             
Good Luck  Dan Gardner    1986  560SEC   EURO  220 kw
----- Original Message ----- 
From: <mbcoupes-request at mbcoupes.com>
To: <mbcoupes at mbcoupes.com>
Sent: Saturday, April 11, 2009 12:15 AM
Subject: MBCOUPES Digest, Vol 57, Issue 13



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> Today's Topics:

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>   1. 1984 500 SEC fuse box/relay switch diagram/schematic

>      (Wayne E. Bollman)

>   2. Steering Wheel Upgrade (wjs)

>   3. Re: Steering Wheel Upgrade (Markus Meyer)

>   4. 1986 560 sec died on road (Neville Pearson)

>   5. Re: 1986 560 sec died on road (Markus Meyer)

>   6. Re: 1986 560 sec died on road (Darryl Kepler)

>

>

> ----------------------------------------------------------------------

>

> Message: 1

> Date: Thu, 9 Apr 2009 10:15:08 -0700 (PDT)

> From: "Wayne E. Bollman" <bollbudb at yahoo.com>

> Subject: [W126 Coupe] 1984 500 SEC fuse box/relay switch

> diagram/schematic

> To: mbcoupes at mbcoupes.com

> Message-ID: <405862.33388.qm at web56907.mail.re3.yahoo.com>

> Content-Type: text/plain; charset="iso-8859-1"

>

>

> ?

> Thursday, April 9, 2009 8:32 AM

>

>

>

> From:

>

> "Wayne E. Bollman" <bollbudb at yahoo.com>View contact details

>

>

>

> To:

> mbcoupes-request at mbcoupes.com

>

>

>

>

>

>

> I have a diagram of the fuse box layout, but have not been able to find a 

> schematic or diagram of the locations and functions of the relay 

> switches.? I believe a number of subscribers would find a good diagram 

> very useful.? I bought the manuals on cd, but the pages referencing relay 

> switches are very small and blurred, not very helpful.

>

> Any assistance, as always, will be appreciated.

>

> Wayne E. Bollman

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> Message: 2

> Date: Thu, 09 Apr 2009 20:39:48 -0400

> From: wjs <wjs201 at optonline.net>

> Subject: [W126 Coupe] Steering Wheel Upgrade

> To: Mercedes Coupes Mailing Lists <mbcoupes at mbcoupes.com>

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>

> Can someone advise on an easy wheel swap for my '87 560 SEC? I've

> heard that the 2000/2001 CLK is a direct fit -- I don't want to get

> into harness changes and the like. I don't need paddles, either, just

> a nice easy-to-install MB upgrade.

> Thanks.

>

> Bill

>

>

>

>

>

>

>

> ------------------------------

>

> Message: 3

> Date: Fri, 10 Apr 2009 03:30:47 -0700

> From: "Markus Meyer" <mfm at meyerprobateproperties.com>

> Subject: Re: [W126 Coupe] Steering Wheel Upgrade

> To: "Mercedes Coupes Mailing Lists" <mbcoupes at mbcoupes.com>

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> Message: 4

> Date: Fri, 10 Apr 2009 08:00:40 -0400

> From: Neville Pearson <pearsonn51 at msn.com>

> Subject: [W126 Coupe] 1986 560 sec died on road

> To: <mbcoupes at mbcoupes.com>

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>

> I'm new to mbcoupes. My 86 560 stalled out on road and would not restart. 

> Usually this is furl pump relay.  I had one on hand changed and did no 

> good.  Checked overload relay fuse it was good. Checked rotor good.  Any 

> ideas would be appreciated. Thanks, Neville Pearson

>

> 1985 500 SEC, 1986 560 SEC, 1987 190 E, 1997 E420, 1997 S 500 Coupe, 1997 

> S 500 Sedan

>

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> Message: 5

> Date: Fri, 10 Apr 2009 05:26:04 -0700

> From: "Markus Meyer" <mfm at meyerprobateproperties.com>

> Subject: Re: [W126 Coupe] 1986 560 sec died on road

> To: "Mercedes Coupes Mailing Lists" <mbcoupes at mbcoupes.com>

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> Message: 6

> Date: Fri, 10 Apr 2009 08:40:50 -0400

> From: "Darryl Kepler" <darrylkepler at comcast.net>

> Subject: Re: [W126 Coupe] 1986 560 sec died on road

> To: "'Mercedes Coupes Mailing Lists'" <mbcoupes at mbcoupes.com>

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> I had the same issue with an 82, I jumped the relay as Marcus said and 

> still

> no fuel pump noise, turns out I had a loose wire at the fuel pump from 

> road

> debris.  Make sure when you jump 7&8 you hear the pump running.

>

> Darryl Kepler

>

>

>

>  _____

>

> From: mbcoupes-bounces at mbcoupes.com [mailto:mbcoupes-bounces at mbcoupes.com]

> On Behalf Of Markus Meyer

> Sent: Friday, April 10, 2009 8:26 AM

> To: Mercedes Coupes Mailing Lists

> Subject: Re: [W126 Coupe] 1986 560 sec died on road

>

>

>

> You need to figure out if there is a spark issue, fuel issue, or something

> else.

>

>

>

> 1) what exactly is it doing?  is it cranking and trying to start, meaning

> battery/electrics seem god, just not starting up?  or is it not cranking

> either?  or a weak crank? (battery, starter, coil, etc issue?)

>

> 2) try taking out the fuel pump relay and jumping the pins 7&8 with a 

> wire,

> does the fuel pump hum/spin?  If so, try starting it then.  If still not,

> try removing air cleaner and pouring some starter fluid in there, see if 

> it

> starts and dies after you stop pouring fluid in - this indicates fuel 

> issue

>

> 3) check for spark if fuel checks out okay

>

> 4) if all that checks out okay (good spark, fuel, etc) maybe something 

> like

> crank position sensor?

>

>

>

> Markus Meyer

>

> mfm at meyerprobateproperties.com

>

> www.meyerprobateproperties.com

>

> Meyer Probate & Properties, LLC

>

> 484-919-9762

>

>

>

>

>

> -------- Original Message --------

> Subject: [W126 Coupe] 1986 560 sec died on road

> From: Neville Pearson <pearsonn51 at msn.com>

> Date: Fri, April 10, 2009 8:00 am

> To: <mbcoupes at mbcoupes.com>

>

> I'm new to mbcoupes. My 86 560 stalled out on road and would not restart.

> Usually this is furl pump relay.  I had one on hand changed and did no 

> good.

> Checked overload relay fuse it was good. Checked rotor good.  Any ideas

> would be appreciated. Thanks, Neville Pearson

> 1985 500 SEC, 1986 560 SEC, 1987 190 E, 1997 E420, 1997 S 500 Coupe, 1997 

> S

> 500 Sedan

>

>

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