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#1
01-19-2007, 11:32 PM
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Firing order for 1985 500 SEL
If anyone can help, I just need the firing order for a 1985 500 SEL. Thank you!
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#2
01-19-2007, 11:43 PM
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if you still need it in the morning i will go out and look at mine.
tom w
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#3
01-19-2007, 11:55 PM
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Thank you
I think i will probably need it in the morning still. I am kinda a newbie with working on MBs and 8 cyl engines in general. So when I numbered my own cylinders, I started with #1 on the left side all the way back and counted toward the front and then started with #5 in the back on the right side and went forward from there. This may not be the proper way to number the cylinders, so if you would be so kind as to let me know which way you have them ordered in relation to the engine to help me figure this out.
Normally I do one plug and wire at a time, but since i was changing the cap and rotor as well, I just numbered them and thought it would work out. I guess there is a reason why this method is not recommended. But thanks for the help.
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#4
01-19-2007, 11:57 PM
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# 1 is back of the engine passenger side.
# 5 is front of the engine drivers side. Good luck! Jonathan
__________________
Blue Ridge Mercedes Jonathan Hodgman http://www.blueridgemb.com/ Enthusiast Service, Restoration & Tuning. Follow Us on Facebook! Located in the Atlanta area Specializing in all pre and post merger AMG's including Hammers and DOHC M117 engines. Mercedes Repair Atlanta
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#5
01-20-2007, 12:22 AM
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cdplayer
Quote:
Engine(s) 116.960 and 116.962 Firing order 15486372 
__________________
 Selling used Mercedes parts on Ebay...always changing... cdplayer51 take a look! ____________
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#6
01-20-2007, 04:21 AM
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Quote:
#1 is pass side front (by rad). #5 is driver's side front (by rad). Assuming you have a LHD US/Europe vehicle, not a RHD UK/Aussie one. Firing order for all M116 and m117 engines is 1-5-4-8-6-3-7-2. This includes the 3.5 (350), 4.5 (450), 380, 420, 500 and 560 (420 pre-92, 500 pre-86; newer 420s and 500s are m119s).
__________________
Current: 2021 Charger Scat Pack Widebody "Sinabee" 2018 Durango R/T Previous: 1972 280SE 4.5 2014 Jeep Grand Cherokee Limited "Hefe", 1992 Jeep Cherokee Laredo "Jeepy", 2006 Charger R/T "Hemi" 1999 Chrysler 300M - RIP @ 221k
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#7
01-20-2007, 07:35 AM
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The wire / cylinder numbers are printed on the distributor cap. Cant go wrong.
__________________
I got too many cars!! Insurance eats me alive. Dave 78 Corvette Stingray - 3k 82 242 Turbo Volvo - Manual - 270k 86 300e 5 speed manual - 210k 87 420sel - 240k 89 560sl - 78k 91 420sel - 205k 91 560sel - 85k 94 GMC Suburban - 90k 97 Harley Davidson Heritage Softail - 25k 00 GMC Silverado 1 ton 30k
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#8
01-20-2007, 12:14 PM
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Thank you all very much, runnin like a champ!
Hey guys,
Thanks for all the help so quickly! I put the wires back with no problems and she fired right up. This little tune up got rid of the rough idle and rough early-acceleration --- i think she was acting up because of all the humidity these past few days with the rain. But she is perfect now. THANK YOU!
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