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W213 (2016-현재) · E200

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2026. 6. 30. 작업

난이도 & 준비물

난이도 쉬움⏱ 예상 60~120🔧 전용 진단기

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Why do manufacturers detune engines?

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I'd be tempted to restate the question as "How do vehicle manufacturers decide what to tune for?" For the question as asked, there are a lot of possible reasons, and probably no way to know in a specific case unless somebody involved speaks up, but in general: To match the engine to a specific use case (as you suggested here). To find a balance between performance, durability, and marketing needs (detune in Sprinter to improve reliability, tune in E-class for marketing/performance). To fit into a particular regulatory class (in the US, for example regulations change with the load capacity of a vehicle). To meet insurance requirements (horsepower limits for example). To balance "fleet" requirements (another example from the US, makers are rewarded/penalized on maker's overall averages for fuel consumption and maybe for emissions as well, so tuning may get tweaked to manage this). Maintaining or adjusting a product "line" – a maker may want to have a "logical" progression of features or

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