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My 2002 C230K, auto, 1800 miles is hard to start in weather under 40F. It sputters, coughs and sounds like it is running on 1 or 2 cylinders. I shut it off, and it restarts fine. The dealership told me to use 89 octane gas in colder weather to cure this problem. This contradicts everything in the owners manual and every other piece of paper I received with the car about never using anything less than 91 octane. Any comments? Thanks.
 

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C230K Sport Sedan
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How bizzare, sounds like they need to fix your car. Don't use less octane, you'll lose a...

How bizzare, sounds like they need to fix your car. Don't use less octane, you'll lose a lot of power, I've heard 19hp on a dyno when using 89 octane.
 

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2002 c-230 kompresso
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trouble starting C230 Coupe

my car also has had the same problem. the dealer replaced the fuel pump it seems to have helped .
 
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