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Old 08-12-2002, 01:11 PM
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Lightbulb Twin spark ignition

I need a definitive answer to settle an arguement: starting when and in what engines did (does) Mercedes utilize twin spark plug ignition systems? I've seen twin spark plugs used in the current V-sixes, eights and twelves but I understand the eights and twelves did not have this type ignition when the V-six was introduced.
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Old 08-12-2002, 02:39 PM
Join Date: Dec 2001
Location: Southern California, U.S.A.
Posts: 8,503
I believe the twin spark plug and three valves per cylinder design started in 1998 when MB released the M112 and M113 engines.
Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".
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Old 08-12-2002, 05:39 PM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
The E430 was the first V-8 with dual plug heads M113 and it didn't come out until January 1998. All of the V-6 engines came out in July & August 1997.
The W140 chassis never used the M112 & M113 engines, the SL500 didn't get that engine until 6/98.
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