NOT! 550 designation is US-Spec, america only. DOes not matter if its prefl or not, it was just abbreviation used for all W221 with 5,4 v8 and 4,6 in FL guise, in the USA.
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NOT! 550 designation is US-Spec, america only. DOes not matter if its prefl or not, it was just abbreviation used for all W221 with 5,4 v8 and 4,6 in FL guise, in the USA.