Activating/deactivating the acoustic locking verification signal
If you activate the Acoustic Lock Feedb.
function, an audible signal sounds depending
on the vehicle's date of manufacture:
• when locking
or
• once when unlocking and three times when locking
Press the
or
button on the
steering wheel to select the Settings
menu.
Press the
or
button to select
Acoustic Lock Feedb.
Press the
button to confirm.
To activate/deactivate: press
again.
See also:
Cleaning the steering wheel and gear or selector lever
Thoroughly wipe with a damp cloth or use
leather care agents that have been
recommended and approved by Mercedes-
Benz. ...
General notes
If you cannot lock or unlock the vehicle with
the SmartKey, either the battery in the
SmartKey is discharged, the SmartKey is
faulty or the starter battery is discharged.
Check the battery in ...
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 course. For example, a tire
graded 150 would ...
