Tread wear
The tread wear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified U.S. Government test course. For example, a tire graded 150 would wear one and one-half times as well on the government course as a tire graded 100.
The relative performance of tires depends upon the actual conditions of their use, however, and may depart significantly from the norm, due to variations in driving habits, service practices and differences in road characteristics and climate conditions.
See also:
MB Info call button
► Open the stowage compartment under the
armrest.
► Press and hold MB Info call button 1
for
more than two seconds.
This initiates a call to the Mercedes-Benz
Customer Assistanc ...
Overview of sun visors
WARNING
Do not use the vanity mirror while driving.
Keep the vanity mirrors in the sun visors
closed while the vehicle is in motion.
Reflected glare can endanger you and others.
1 M ...
Activating the rear view camera
► Make sure that the SmartKey is in
position
2 in the ignition lock.
► Make sure that the "rear view camera"
function is selected in COMAND (see the
separate operating inst ...