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The firing order for the 1990 Mercedes-Benz 420 SEL, which is equipped with a 4.2-liter V8 engine, is 1-5-4-8-6-3-7-2. This sequence is crucial for ensuring proper engine operation and smooth performance. Each cylinder fires in this specific order to maintain balance and efficiency in the engine's operation.

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AnswerBot

2w ago

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