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Om606 Failed starter motor?
BoostedW124 Offline
K26-2
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Posts: 45
Joined: Dec 2016
Location: New Jersey
#1
Om606 Failed starter motor?
Hello forum. My 1998 e300 w210 om606 td wont crank over. Turn key and click. Good battery verified. My hunch is starter motor but dont want to throw money at car without being sure. Any suggestions to further diagnose?
1998 w210 e300 TD: egr delete, muffler delete, amg 18s, I love this car!
1995 w124 e300 diesel: bolted on junkyard w210 turbo.. yes you can "easily" boost your om606na! RIP
1991 w201: putting the om606 na to turbo into this. Not enough hours in the day!
08-10-2017, 08:26 PM
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NZScott Offline
HX30W 73/44mm
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Posts: 303
Joined: Jul 2014
Location: New Zealand
#2
RE: Om606 Failed starter motor?
Tap the solenoid with a hammer (tap not a whack lol) it might free it up

1978 300D, 373,000km
OM617.912 with a Holset HX30W, 7.5mm IP, 711.113 5 speed (water injectio
n+W/A intercooler to come)
1977 250 270,000km (parts car)
1984 240TD>300TD (drivetrain swapped into '78) since sold
1988 Toyota Corona 2.0D 145,000km (DD while '78 has work done)


Dream build:
1984/85 W123, twincharged 617.952 - M90/112/122 feeding HE351VE or similar, 7.5mm 160cc IP, 716.6 6 speed, 3.27 LSD



08-11-2017, 05:45 AM
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capflya Offline
Dreaming of a VNT
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Posts: 309
Joined: Feb 2010
Location: California
#3
RE: Om606 Failed starter motor?
Is it a click click click like battery is low or just one click that isn't too loud? Like a relay engaging.

If you shift to N does it crank over? These w210's have a few issues from what I've read/experienced.


'98 E300 Turbo "Juliette" - Brabus wheels and almost all the options a w210 could have
'87 300D Turbo "Roxanne" - #22 head - 400E brakes - EGR Delete - 17" Staggered AMG 5 spoke rims from CLK500 - 5 Spd manual
2007 Chevy 2500HD CCSB Duramax with about 400-500 rwhp depending on the tune I use Big Grin
1983 300D Silver Exterior/Black inside - Sold and will be missed, may we never meet in a PnP.
08-11-2017, 06:19 PM
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BoostedW124 Offline
K26-2
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Posts: 45
Joined: Dec 2016
Location: New Jersey
#4
RE: Om606 Failed starter motor?
Yes just one click like a relay. I heard the keys can wear out but i think mine is fine everything else electronic turns on with key. I guess ill have to take it out and bench test old fashioned way.
1998 w210 e300 TD: egr delete, muffler delete, amg 18s, I love this car!
1995 w124 e300 diesel: bolted on junkyard w210 turbo.. yes you can "easily" boost your om606na! RIP
1991 w201: putting the om606 na to turbo into this. Not enough hours in the day!
08-11-2017, 09:40 PM
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BoostedW124 Offline
K26-2
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Posts: 45
Joined: Dec 2016
Location: New Jersey
#5
RE: Om606 Failed starter motor?
No i tried in neutral Also
1998 w210 e300 TD: egr delete, muffler delete, amg 18s, I love this car!
1995 w124 e300 diesel: bolted on junkyard w210 turbo.. yes you can "easily" boost your om606na! RIP
1991 w201: putting the om606 na to turbo into this. Not enough hours in the day!
08-11-2017, 09:41 PM
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capflya Offline
Dreaming of a VNT
****


Posts: 309
Joined: Feb 2010
Location: California
#6
RE: Om606 Failed starter motor?
The EIS (electronic ignition switch) can go out and cause that exact symptom.


'98 E300 Turbo "Juliette" - Brabus wheels and almost all the options a w210 could have
'87 300D Turbo "Roxanne" - #22 head - 400E brakes - EGR Delete - 17" Staggered AMG 5 spoke rims from CLK500 - 5 Spd manual
2007 Chevy 2500HD CCSB Duramax with about 400-500 rwhp depending on the tune I use Big Grin
1983 300D Silver Exterior/Black inside - Sold and will be missed, may we never meet in a PnP.
08-11-2017, 10:59 PM
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Mr.Emo Offline
Nissan Patrol -> 606 conversion.
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Posts: 11
Joined: Jul 2017
Location: Norway
#7
RE: Om606 Failed starter motor?
I'm having the same issue but my problem is intermittent, it comes and goes randomly. The glow light and all electronic works but the engine won't crank.

Anyone know where to find a workshop manual for this? I know there is an online version for the w124.
08-12-2017, 02:05 AM
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AlanMcR Offline
mind - blown
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Posts: 223
Joined: May 2009
Location: USA
#8
RE: Om606 Failed starter motor?
(08-12-2017, 02:05 AM)Mr.Emo Wrote: I'm having the same issue but my problem is intermittent, it comes and goes randomly. The glow light and all electronic works but the engine won't crank.

Anyone know where to find a workshop manual for this? I know there is an online version for the w124.
Most likely your problem is the neutral safety switch. Wiggle the shifter the next time it fails to crank.
08-12-2017, 02:31 PM
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Austincarnut Offline
Holset
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Posts: 263
Joined: Jun 2012
Location: USA
#9
RE: Om606 Failed starter motor?
(08-10-2017, 08:26 PM)BoostedW124 Wrote: Hello forum. My 1998 e300 w210 om606 td wont crank over. Turn key and click. Good battery verified. My hunch is starter motor but dont want to throw money at car without being sure. Any suggestions to further diagnose?

Get a strong battery and jump starter relay---make sure its in park @ shifter and transmission
08-12-2017, 08:59 PM
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Hario' Offline
C300TD Wagon (W202)
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Posts: 893
Joined: Nov 2011
Location: SW London
#10
RE: Om606 Failed starter motor?
you can reach the + terminal on the starter if you remove the inlet manifold.

My 202 sometimes experiences this I cycle lock & unlock a few times when sat in the car once or twice and it cures it.

So my EIS is on it's way to being borked also.. Dam..



Installed:

OM606/722.6, big IC, W220 brakes.
Planned:
DIY manifold, compound, 722.6 controller, built IP.
[i]Less rust.. 
[/i]
Yesterday, 12:40 PM
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