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#1
12-17-2008, 12:08 AM
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What's coldest temp your diesels can start???
Mine is at 10*F with new nozzles and Valve adjustment, Hmm... That reminds me i need to change my GP
 , first crank 2 cylindes will start firing, 5-6 second later 3 cylinders will be firing, about 3 seconds later 4 cylinders is firing, than it runs like crap about 3 second then all 5 cylinders fires up, this is what i am experiencing every time when it drops near single digit numbers...By the way i love it when diesel struggles to start but i hate it if it can't start  ...
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Current Garage 2008 Mercedes GL320 CDI 188k mi Repair/Work in progress 1994 S350 160k mi Garage Queen & prepping for repairs 2005 E320 CDI 203k mi Healthy & Daily Driver 1994 S350 357k mi Retried as parts car 1984 300TD 214k mi Blown OM617 Poss OM603 Swap?? Sold 1987 300SDL 200K+ 1994 S320 181K mi 2008 E320 Bluetec 127k mi 1999 S420 130K mi 1980 240D 360k mi 15+ Others that has come, stay and gone GONE, BUT NOT FORGOTTEN  1995 E320 SE 220k mi 1984 300SD 350k mi 
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#2
12-17-2008, 12:38 AM
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I've started mine at -12F before with NO block heater and it had sat for over 14 hours at that temp. Took about 10ish seconds of cranking after a 25-30 second glow. My engine rocks.
 Right now its about 12F outside, it fires a cylinder on the first rotation and is running in less than 2 seconds after a 20 second glow. It starts BETTER now than when I got it 70,000 miles ago. I attribute it to 55k on synthetic oil.
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-diesel is not just a fuel, its a way of life-  '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k)
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#3
12-17-2008, 12:41 AM
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Remember To Follow
The factory extreme cold start drill :
pump the acellerator twice then hold to floor (someone PLEASE tell me how this helps ?!) Cycle the glow plugs twice then crank the engine but DO NOT LET OFF THE KEY untill all 5 cylinders are firing and it'll start every time , first time . When the car was new there was a red cradboard tag with all the extreme cold starting drill info on it..
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-Nate 1982 240D 408,XXX miles Ignorance is the mother of suspicion and fear is the father I did then what I knew how to do ~ now that I know better I do better
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#4
12-17-2008, 12:49 AM
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Quote:
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#5
12-17-2008, 12:56 AM
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Mine starts normally, it was probably about 15 degrees in my garage, except I forgot to put in the lighter oil weight this time, so it needs a little gas right off the bat to keep turning.
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1985 500SL Euro w/ AMG bits 130k  1984 300SD Turbodiesel 192k  1980 240D Stick China 188k  2001 CLK55 AMG 101k  2007 S600 Biturbo 149k Overheated Project, IT'S ALIVE!!! 
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#6
12-17-2008, 01:16 AM
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The coldest mine start is around 30 degrees. Mainly because I refuse to live anyplace that gets colder than that.......
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Jimmy L. '05 Acura TL 6MT  2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed'81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John
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#7
12-17-2008, 11:08 AM
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Quote:
This is from my factory owners manual: Ambient temperature below 0 degree C Depress accelerator to the floor. Turn key in stering lock clockwise to the stop. Release key only when the engine is firing regularly and back off accelerator slowly. Do not interrupt the starting process. If the engine is very cold it is possisble that it will fail to start on subsequent attempts.
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Michael LaFleur '05 E320 CDI - 86,000 miles '86 300SDL - 360,000 miles '85 300SD - 150,000 miles (sold) '89 190D - 120,000 miles (sold) '85 300SD - 317,000 miles (sold) '98 ML320 - 270,000 miles (sold) '75 300D - 170,000 miles (sold) '83 Harley Davidson FLTC (Broken again) :-( '61 Plymouth Valiant - 60k mikes 2004 Papillon (Oliver) 2005 Tzitzu (Griffon) 2009 Welsh Corgi (Buba) 
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#8
12-17-2008, 12:46 AM
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Last winter the 300D started at 8 or 9 F just like it was a warm day. The 240 was starting with difficulty down into the high teens and that was the coldest I tried it. It's supposed to get down to 9 tonight, and I'd like to drive the 240 to work tommorow. Lately, it's been having battery/slow drain issues that my multimeter refuses to measure, so I'm off to Wally World to get an extension cord so I can use the block heater.
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar. 83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 401,xxx miles 08 Suzuki GSX-R600 M4 Slip-on 26,xxx miles 88 Jaguar XJS V12 94,xxx miles. Work in progress. 99 Mazda Miata 183,xxx miles.
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#9
12-17-2008, 01:20 AM
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i was in tahoe, and it started right up after two glow cycles, i estimated minus 2 degrees F
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Current 2006 E320 CDI, 57K bought at 67K "Liesl" 1986 190E 2.3-16, 198K bought at 56K "Brigitta"1987 300TD (Chuggin Along), 292K "Friedrich" 1995 E320 Wagon, 200K "Louisa" Past 1987 300SDL, (sold) 125K, bought for 1$ "Kurt"
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#10
12-17-2008, 02:33 AM
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Dunno, but she started pretty much normally (a couple of stumbles) almost the first rev after 2 glow cycles at 20-something on Sunday...
We've had ice on the streets since Friday, so the 300CD is staying home and I'm driving my Jeep 'til the roads are all clear. I'm not taking ANY chances with some numb-nutz who doesn't know how to drive in bad weather plowing into me and totaling my Benz! Unfortunately, between the rarity of snowy weather, and the excess number of California transplants, we have a LOT of people around here who have no clue about how to drive in snowy/icy conditions
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1984 300 Coupe TurboDiesel Silver blue paint over navy blue interior 2nd owner & 2nd engine in an otherwise 99% original unmolested car ~210k miles on the clock 1986 Ford F250 4x4 Supercab Charcoal & blue two tone paint over burgundy interior Banks turbo, DRW, ZF-5 & SMF conversion 152k on the clock - actual mileage unknown
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#11
12-17-2008, 02:37 AM
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It's 22 now, my 240D started, but my SD would not with out plugging in. I did have a glow plug out in the SD though...
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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine
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#12
12-17-2008, 03:36 AM
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Last time I started my SDL it was 18*F outside, and it started like it was 60
A moment of silence while we wait for the glow plugs... -Jason
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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket  Tesla Model 3. 205,000 miles. Been to 48 states! Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels. 2014 Cadillac ELR 2013 Fiat 500E.
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#13
12-17-2008, 05:07 AM
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Even jumping the battery for extra charging, my SD refused to start at all @ 35 F a few days ago. Then again, the engine has been showing signs of extreme amounts of blow by, so low compression isn't helping at all!
On the other hand, the parts car that I bought for an engine, I'd never had it cranked up since I bought it until the day the SD didn't want to play, and it cranked up in 5 seconds flat, with a short glow cycle to boot. (I *really* need to get around to swapping the engines...)
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-Josh Testing the cheap Mercedes axiom, one bolt at a time...
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#14
12-17-2008, 05:14 AM
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last winter the sdl started in zero degree weather with one glow plug out no block heater This year who knows the 18 year old hasnt called so I guess it starts
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commercial fisherman diesel in my blood in my boats trucks and Dear old Dad has had me drivin them since i got my first license in 1968 1986 300 SDL 427654 1999 Chevy Crew Cab Dually 225423 1986 300 SDL 287000 Dad's 1987 190 Turbo 158000 Mom's (my inheritance)
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#15
12-17-2008, 06:53 AM
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last winter...........Candy started when it was 8 degrees. That temperature is too cold for any Elvis sightings. It doesn't normally get that cold here.....but maybe once ever 3 years. Anyway, Candy never spent a night in the garage and hadn't been started in like a week.
One full glow cycle (wait for the relay to go "glunk"); turn key off, then back on.......20 seconds later, starts on all 5 cylinders like it was 60F out. Speaking of cold starts, I've "fixed" the rough starting on Coda. I have instructed the "driver" that they need to wait longer in the glow cycle before cranking; waiting until the light goes off is not long enough when she has sat outside or all day (no lunch) at the office. Last night, it was about 29 when I left the office and I didn't wait for the "glunk", but waited past the light going out and she started better.
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daw_two Germantown, TN Links: Sold last car --- 05/2012 1984 300D Light Ivory, Red interior No longer selling Cluster Needles Paint No longer selling New Old Stock (NOS) parts Past: 3/2008 1986 300SDL "Coda" 04/2010 1965 190D(c) "Ben" & many more
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