Mercedes-Benz 2006 E -Class Wagon Operator's Manual page 358

!
Even on vehicles with all-wheel-drive,
use snow chains on rear tires only.
Some tire sizes do not leave adequate
clearance for snow chains. To help
avoid serious damage to your vehicle or
tires, use of snow chains is not permis-
sible with the following tire sizes:
265/35 ZR18 XL (Extra load)
T 155/70 R17 110 M
T 175/55-18 95P
Operation
Winter driving
357