Emergency Spare Wheel - Mercedes-Benz B-Class Operator's Manual

Tires
Summer tires
BA
225/40 R18 92 W XL MOExtended
All-weather tires
BA
225/45 R17 91 H M+SMOExtended
Winter tires
BA 205/50 R17 93 H XL M+Si
BA 205/50 R17 93 H XL
M+SiMOExtended

Emergency spare wheel

Important safety notes
G
WARNING
The wheel or tire size as well as the tire type
of the spare wheel or emergency spare wheel
and the wheel to be replaced may differ.
Mounting an emergency spare wheel may
severely impair the driving characteristics.
There is a risk of an accident.
To avoid hazardous situations:
adapt your driving style accordingly and
R
drive carefully.
never mount more than one spare wheel or
R
emergency spare wheel that differs in size.
only use a spare wheel or emergency spare
R
wheel of a different size briefly.
®
do not switch ESP
R
have a spare wheel or emergency spare
R
wheel of a different size replaced at the
nearest qualified specialist workshop.
8 Use of snow chains is not permitted. Observe the notes in the "Snow chains" section.
9 MOExtended tires (tires with run-flat characteristics) only in conjunction with activated tire pressure loss
warning.
9
off.
Emergency spare wheel
Alloy wheels
8, 9 7.5 J x 18 H2
Wheel offset: 2.05 in (52 mm)
Alloy wheels
7.5 J x 17 H2
8, 9
Wheel offset: 2.07 in (52.5 mm)
Alloy wheels
6.5 J x 17 H2
Wheel offset: 1.93 in (49 mm)
6.5 J x 17 H2
Wheel offset: 1.93 in (49 mm)
Observe that the wheel and tire dimensions
as well as the tire type must be correct.
When using an emergency spare wheel or
spare wheel of a different size, you must not
exceed the maximum speed of 50 mph
(80 km/h).
Snow chains must not be mounted on
emergency spare wheels.
General notes
You should regularly check the pressure of
the emergency spare wheel, particularly prior
to long trips, and correct the pressure as
necessary ( Y page 301). The value on the
wheel or as given in the "Technical data"
section ( Y page 323) is valid.
i When you are driving with the emergency
spare wheel mounted, the tire pressure
loss warning system cannot function
reliably. Only restart the tire pressure loss
325
V1
#
V1
#
V1
#
#
Z