Tires with a specified direction of rotation have additional benefits, e.g. if there is a risk of hydroplaning. You will only gain these benefits if the correct direction of rotation is observed.
An arrow on the sidewall of the tire indicates its correct direction of rotation.
You may mount the spare wheel against the direction of rotation. Adhere to the time restriction on use as well as the speed limitation specified on the spare wheel.
Exterior spare wheel bracket
General notes
WARNING
If the spare tire is more than 6 years old or is
not the same model as the regular tires, have
the spare tire replaced with a new tire at the
nearest Mercedes-Benz Center.
...
Coupling up a trailer
Do not connect the trailer's brake system
(if featured) to the hydraulic brake system
of the towing vehicle, as the latter is
equipped with an anti-lock brake system.
Doing so will result in a l ...
Change of address or change of
ownership
In the event of a change of address, please
send us the "Notification of Address Change"
in the Service and Guarantee booklet or
simply call the Mercedes-Benz Customer
Assistance Center ...