The owners manuals for both my 380SL and 560SEC refer to difficulty starting the engine hot and suggest you step on the gas.

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John
'02 Isuzu Axiom Canal Blue Mica "Wonder Car"
'02 Isuzu Axiom Garden Green Mica from Alaska "Sara"
'97 Ford Taurus Wagon 225,000 miles Intense Black "Batmobile"
'91 560 SEC Ice Blue Metallic "Big Benz"
'84 380 SL Astral Silver "Pretty Girl"
MBCA member
Chance favors the prepared mind.