As often the case, MB USA appear to host a different resource...
designo Paint, Leather and Interior Trim - Mercedes-Benz
"Lavishly supple Nappa leathers are offered in both solid-color and two-tone motifs with rich Black trim."
"Extremely supple Exclusive Nappa leather hides are sourced from southern Germany. A semi-aniline dye process reveals their naturally smooth grain, requiring hides that are virtually free of imperfections to begin with."
"All of the hides gathered to upholster a single vehicle are matched by eye for uniformity of grain and color, then cut, sewn and fitted with an extraordinary level of handwork. "
designo Paint, Leather and Interior Trim - Mercedes-Benz
"Lavishly supple Nappa leathers are offered in both solid-color and two-tone motifs with rich Black trim."
"Extremely supple Exclusive Nappa leather hides are sourced from southern Germany. A semi-aniline dye process reveals their naturally smooth grain, requiring hides that are virtually free of imperfections to begin with."
"All of the hides gathered to upholster a single vehicle are matched by eye for uniformity of grain and color, then cut, sewn and fitted with an extraordinary level of handwork. "