Tires/Wheels; Lowering; Tightening Torque; System - Mercedes-Benz CLA Operator's Manual

Wheel and tire combinations
340
! To prevent damage to the paintwork, hold
the wheel securely against the wheel hub
while screwing in the first wheel bolt.
Clean the wheel and wheel hub contact
X
surfaces.
Place the new wheel on the wheel hub and
X
push it on.
Tighten the wheel bolts until they are
X
finger-tight.
Lowering the vehicle
G WARNING
The wheels could work loose if the wheel nuts
and bolts are not tightened to the specified
tightening torque. There is a risk of accident.
Have the tightening torque immediately
checked at a qualified specialist workshop
after a wheel is changed.
Place the ratchet wrench onto the hexagon
X
nut of the jack so that the letters AB are
visible.
Turn the ratchet wrench until the vehicle is
X
once again standing firmly on the ground.
Place the jack to one side.
X
Tighten the wheel bolts evenly in a
X
crosswise pattern in the sequence
indicated (: to A). The tightening torque
must be 96 lb-ft (130 Nm).
Turn the jack back to its initial position.
X
Stow the jack and the rest of the vehicle
X
tools in the vehicle again.
Check the tire pressure of the newly
X
mounted wheel and adjust it if necessary.
Observe the recommended tire pressure
( page 316).
Y
i
Vehicles with tire pressure monitor: all
wheels mounted must be equipped with
functioning sensors.
Wheel and tire combinations
General notes
! For safety reasons, Mercedes-Benz
recommends that you only use tires and
wheels which have been approved by
Mercedes-Benz specifically for your
vehicle.
These tires have been specially adapted for
use with the control systems, such as ABS
®
or ESP , and are marked as follows:
MO = Mercedes-Benz Original
R
MOE = Mercedes-Benz Original Extended
R
(tires featuring run-flat characteristics)
MO1 = Mercedes-Benz Original (only
R
certain AMG tires)
Mercedes-Benz Original Extended tires
may only be used on wheels that have been
specifically approved by Mercedes-Benz.
Only use tires, wheels or accessories
tested and approved by Mercedes-Benz.
Certain characteristics, e.g. handling,