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C43 normal to cut off at 4000 rpm in neutral?

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Old 03-30-2019, 11:40 AM
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2018 C43
C43 normal to cut off at 4000 rpm in neutral?
Is it normal that I can't redline the engine in neutral or in park?
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Old 03-30-2019, 11:53 AM
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2018 Mercedes C43 AMG Coupe
Yes, stock limiter. Need a tune to remove it.
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Old 03-30-2019, 01:42 PM
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One of the most harmful practices is to free rev (high rpm) an engine in N. For years, many auto and motorcycle manufacturers have limited rpm in N for that reason. Under load and with engine oil (not just coolant) properly warmed up, rpm isn't an issue.
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Old 03-31-2019, 11:17 AM
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Put the Car in neutral in sport+ while coasting at 25-30ish, it'll go past the rev limiter and go pop pop pop
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