I have recently returned from a 2200+ mile road trip in my '96 C220. The car performed stunningly, from 85mph Interstate driving to twisty 2-lanes to gravel roads, and averaged a respectable 33 mpg! Even kick-down passing acceleration was awesome for this small engine. My only problem is that about midway through the trip it began a peculiar hard-start problem when cold, requiring 3-5 starts. Prior to this trip it never experienced any type of stumbling during a cold start. Once warm it starts and runs perfectly. Any Ideas???

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1996 SL320 97K miles
1996 C220 130k miles
1992 500SEL 170k miles <---sold
1986 300E 216k miles <---sold