This transfer case chain is designed for use in GLE (X166), GL-Class (X164), and M-Class (W166) vehicles.It is compatible with the following models: GLE (2015.04–2018.10): 500 4MATIC, 350 d 4MATIC, 250 d 4MATIC, 43 4MATIC, 63 S 4MATIC, 63 4MATIC, 500 e 4MATIC, 400 4MATIC, 320 4MATIC, 450 4MATIC GLE Coupe (2015.10–2019.10): 500 4MATIC, 43 4MATIC, 63 S 4MATIC, 63 4MATIC, 450 4MATIC, 400 4MATIC, 350 d 4MATIC GL-Class (2012.07–2015.10): GL 350 / BlueTEC 4MATIC, GL 500 4MATIC, GL 63 4MATIC, GL 400 4MATIC M-Class (2011.06–2015.12): ML 350 4MATIC, ML 350 BlueTEC 4MATIC, ML 250 / BlueTEC 4MATIC, ML 63 4MATIC, ML 500 4MATIC, ML 400 4MATIC, ML 300 4MATIC GLS (2015.11–2019.04): GLS 63 4MATIC, GLS 500 4MATIC, GLS 400 4MATIC, GLS 350 d 4MATIC