Hi,
My search didn't pull anything similar so asking forgiveness in advance if this has been asked before.....

I have a 77 450SL. Lately when I've been driving it I've noticed that upon starting the idle is very rough but it evens out after the car has sufficiently warmed up to temperature. Any ideas what's causing the rough idle?

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Leigh Anne

'77 450SL
'95 Mitsubishi 3000GT Spyder
'07 Chevrolet Suburban