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  #1  
Old 12-09-2015, 11:20 AM
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Hopefully a rain-related issue?

Hey folks,

I own a 1984 W123 230e German import. It's been wonderfully reliable since purchase in the summer aside from me changing the front brakes, but this morning I had a problem.

I think it's to do with the rain up here in Vancouver (or at least I hope it is).

It started last week when it rained heavily, and the car had trouble starting, then had a bit of a misfire for the first few minutes unless I left it to idle and warm up.

This morning I had a similar problem. It rained heavily overnight, and this morning the car had a REAL problem starting. I let it idle for a few minutes and tried to head down the street, but the car gave out and died, and refused to start again.

I'd like to assume that there's likely some water in the distributor or something? I've not had a chance to investigate as yet, but I would imagine that's where the problem may lay?

Any thoughts or suggestions?

Thanks
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  #2  
Old 12-09-2015, 11:49 AM
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cracks in the dist cap or deteriorating plug wire insulation could cause such an issue. an idea when those items were last changed?
Quote:
Originally Posted by BenA105 View Post
Hey folks,

I own a 1984 W123 230e German import. It's been wonderfully reliable since purchase in the summer aside from me changing the front brakes, but this morning I had a problem.

I think it's to do with the rain up here in Vancouver (or at least I hope it is).

It started last week when it rained heavily, and the car had trouble starting, then had a bit of a misfire for the first few minutes unless I left it to idle and warm up.

This morning I had a similar problem. It rained heavily overnight, and this morning the car had a REAL problem starting. I let it idle for a few minutes and tried to head down the street, but the car gave out and died, and refused to start again.

I'd like to assume that there's likely some water in the distributor or something? I've not had a chance to investigate as yet, but I would imagine that's where the problem may lay?

Any thoughts or suggestions?

Thanks
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Old 12-09-2015, 01:29 PM
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There was no receipt for any recent change to the plugs, leads, distributor etc., so it's anyone's guess!

I removed the cap just now. Here's a couple of photos. Should the inside of the cap be bone dry? Because it's not... spots of moisture on it.

Time to replace?






Edit: Anyone know a good parts supplier in North America? Just called my local Mercedes-Benz dealer and the cap is $89! Then my local regular parts supplier doesn't have the 230e listed :/
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Hopefully a rain-related issue?-dsc00066.jpg   Hopefully a rain-related issue?-dsc00069.jpg  

Last edited by BenA105; 12-09-2015 at 02:14 PM.
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Old 12-09-2015, 05:48 PM
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Should the cap be dry.......yes. Time to replace.......without any history why not.

I did alittle legwork looking for a distributor cap and rotor in Pelicans catalog and a couple of their competitors online catalogs....which I won't mention because the mods will just delete the names....and the fact that you have a 230e Euro resulted in nary a single hit for those parts. I don't know the parts availability for Euro models so that doesn't mean they aren't out there. Hopefully someone with that knowledge will chime in with some info.
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Old 12-09-2015, 06:09 PM
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Points and Condenser Set with Rotor Arm Cap for Mercedes Benz 200 220 230 | eBay

might have to modify the mounting application as this cap seems not to have the "L" arms on it but i think it can be easily done....see the link below for the type of clips used on that cap

http://www.ebay.com/itm/Vintage-Bosch-Distributor-VW-Beetle-Bug-with-cap-/231778284251?hash=item35f70ff2db:g:XFMAAOSw8-tWZ4fc&vxp=mtr
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Centrally located in North East Central Pa.

Last edited by Hogweed; 12-09-2015 at 06:19 PM.
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Old 12-09-2015, 06:29 PM
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not sure what the top of your cap looks like but there is this one....says fits 1977-up w123
btw, your rotor is toast as well

Ignition Distributor Cap for Mercedes W460 S123 C123 W124 0001584302 | eBay
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James 4:8

"...let us put aside the blindness of mind of those who can conceive of nothing higher than what is known through the senses"
-Saint Gregory Palamas, ---Discourse on the Holy Transfiguration of Our Lord God and Savior Jesus Christ


Centrally located in North East Central Pa.
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  #7  
Old 12-10-2015, 02:17 AM
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Thanks guys, definitely time for replacement for both. I ended up calling MB in Vancouver at lunchtime and ordering both OEM parts from them. Of course, special order from Germany only, so the Benz will now be sitting around for a couple of weeks waiting for it's new parts to show up.

Look forward to some easier starting soon
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  #8  
Old 12-10-2015, 04:58 AM
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Just did this on a M103, bout $20 each from ebay.
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  #9  
Old 12-10-2015, 08:40 PM
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TnBob who manufactured your $20 fleabay parts?
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  #10  
Old 12-21-2015, 05:23 PM
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New cap and arm - back on the road
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  #11  
Old 12-22-2015, 04:48 AM
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BenA105, if the ignition wires are as old as the distributor cap and rotor recommend replacing them and the spark plugs when you get a chance. The distributor cap and rotor were overdue significantly. Routine maintenance will have your engine running more efficiently, producing better gas mileage. You may want to check the condition of the air filter also.
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