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Q: Why would the car put out a smell like eggs ( sulphur) when speeding on a highw on 2003 Mercedes-Benz SL500

Enthusiast 01be16a5a93688912f14755221fb15211b518d9a788cf01b455e03cc1bd585ac
When speeding on highway the car puts out a smell like sulphur. Why would this happen?
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You have a very rich running car, most likely you have a check engine light on too, yes? Have your car inspected by a good German car shop ASAP.
Thank you for your response to the comment I wrote in Oct. Coincidentally, I put my Mercedes SL500 in a German shop as you suggested because the " check engine light " recently came on . Have spent over 5 grand in less than a year. Love the car but seriously considering whether to buy an ESA or trade it in .
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