ML63 AMG (W166) 2011 -2015 (Replaced by GLE63)

Biturbo 5.5 rough when cold ?

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Old Jun 4, 2017 | 12:45 PM
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2023 E450 Cabriolet, 2019 F150 Platinum, 2014 Dodge Challenger R/T
Biturbo 5.5 rough when cold ?

This normal ?

washed it this morning.... temp around 70's... ran a little rough, well more sluggish for a few minutes....

These motors a little temperamental till warm ?

Mike
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Old Nov 11, 2017 | 10:12 AM
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Yes.
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Old Nov 11, 2017 | 12:19 PM
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Just a little bit here.
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Old Nov 15, 2017 | 10:47 AM
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ML63 AMG 13 SLK 55 SLK350 AMG kit 07
No, mines fine, just wait until the cold start valves close before driving off.
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