09 C220 CDI - Cold Starting Issue

D_smith_1188

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Your Mercedes
C220 2009 2.1
Hi,

Over the last week (mornings only) take two turns of the key to fire up, first time does turn over but wont start. figured it because we have had a cold snap, once its been started it does miss a beat. then for the rest of the days starts fine every time.

Strange one.
 

steveq

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Your Mercedes
2011 Merc S212 E220CDI Estate; 2011 Merc W204 C220 CDI; 1965 W113 Merc 230SL Pagoda
Hi,

Assuming it is a C220 CDI -- Does your dashboard glowplug light come on when you turn the key to position 2 ?
 

steveq

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2011 Merc S212 E220CDI Estate; 2011 Merc W204 C220 CDI; 1965 W113 Merc 230SL Pagoda
Hi,

I assume that, if there was a problem with the glowplugs there would be an error -- I would have thought that the EML light would be on the dashboard if there was an issue.
Have you hooked up a scanner to see if there are any issues?

Also, on my previous W203 C220 CDI, some of the fuel lines' connectors had become brittle over time and let air in. That caused the car to be slow to start. I renewed them which resolved the issue. You could look at them to see if there are air bubbles.
That issue wasn't cold weather related though.
 

mikestrivens

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Stockport
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1995 W124 320TE, 1998 R129 SL500, 2016 Triumph Tiger 800 XCx
Perhaps it's just grumpy on cold mornings. I know the feeling and often don't want to start the day when it's cold.
 
OP
D

D_smith_1188

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C220 2009 2.1
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Haven’t had an issue for a while but this morning was the same again...Had it in garage but they said looks fine...any more ideas?


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bembo449

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gainsborough , lincolnshire
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Mercedes Cl500, shitron dispatch
it looks fine ? be better if they plugged into it to see if the fuel pressure is ok , the glow plugs are all fully operational
 
OP
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D_smith_1188

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C220 2009 2.1
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Yer “looks ok” had it plugged in. No just on my flat drive


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mersum1es

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Finland
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W212/-09/350CDI, W219/-07/320CDI, EX:W220/-01/320CDI, EX:W211/-04/320CDI, EX:W210/-01/270CDI
2009 car has no issues with drawing air in or uphill/downhill difference. They were true in W203 fuel system but this is W204 and different fuel system. Also glow plug does not play so big (non start) role if not crazy cold.

Try switching key to ignition position but do not crank. Let it be few sec, turn key back 0, then again 1, wait glow plugs and then start. If it helps it could be primer pump issue.
 
OP
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D_smith_1188

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Grimsby, England
Your Mercedes
C220 2009 2.1
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da66d327881e2d44cde2b631c32758af.jpg



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Pathfinder

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60
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Gourock
Your Mercedes
CLC 220 CDi Sport Diesel Year 2008
My 2008 C220Cdi starts instantly without the need to use of the glow plugs at -10.
 

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