Fitment:

For Mercedes-Benz:

ML Class 2003-Up W163  &  2005-Up  W164 
ML320    2003,2007-2009
ML350    2003-2011
ML450    2010-2011
ML500    2003-2007
ML550    2008-2011
ML55(AMG)   2003
ML63(AMG)   2007+

X164 GL Class    2006-2012
GL320    2006-2012
GL350    2006-2012
GL450    2006-2012
GL550    2006-2012

W251 R Class R320,R350, & R550     2007-2011
GL-Class X164
M-Class 166
M-Class W164
M-Class W166
R-Class W251,V251

Does NOT Fit Non-U.S. GL Models With "Off-Road" Pro Package 2-Speed Transfer Case
Fit for Magna  (Single Speed) Equipped W251 R Class

Part Number:

HV-091, HV091, HV-523, HV523, 2512802800
A2512800800, 2512800800, A2512800900, 2512800900
2512801400, 2512803100, 2512803200, 2512801300, 2512801700

Specifications:

• 1.50" Wide
• 3/8" Pitch
• 42 Links
• Rocker pin 

Package Include:

1 x Transfer Case Chain

Notice:

* Professional installation is highly recommended (No Instruction Included).
.