Have a quick question.....My SD will not idle when it is cold. I have to sit in it w/ my foot on the accelerator until it warms, then it will idle fine. After the car is warm, no problems, normal operation. Any input? Thanks, David.

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2015 E250 Bluetec Black/designo Sand
2014 GLK250 Bluetec Iridium Silver/Almond
1999 E320 Sedan Bordeaux Red/ Parchment
1999 E270CDI Estate Black Opal/Black
1983 300SD Champagne/Palomino Leather
1982 300SD Silver Blue/ Pacific Blue Leather