I looked at the tires, and there's nothing obviously wrong. I have a tire-salesman friend look at it too though. I don't think it's the tires though because that noise would persist when I'm pushing the brakes or gas, because the anomaly in the tire would still impact the road.

I'll also check out the brakes today, but can you help me understand why the noise would end in the brakes if I accelerate slightly? Thanks.

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Black '03 SLK32 AMG