609 Operation
Tires and wheels
Uniform Tire Quality Grading Standards
A tire information system that provides
consumers with ratings for a tire’s traction,
temperature and treadwear. Ratings are
determined by tire manufacturers using
government testing procedures. The
ratings are molded into the sidewall of the
tire.
Vehicle maximum load on the tire
Load on an individual tire that is
determined by distributing to each axle its
share of the maximum loaded vehicle
weight and dividing it by two.Rotating tiresTire rotation can be performed on vehicles
with tires of the same dimension all
around. If your vehicle is equipped with
tires of the same dimension all around,
tires can be rotated, observing a
front-to-rear rotation pattern that will
maintain the intended rotation (spinning)
direction of the tire (
page 585).
In some cases, such as when your vehicle
is equipped with mixed-size tires (different
tire dimension front vs. rear), tire rotation
is not possible.
If applicable to your vehicle’s tire configu-
ration, tires can be rotated according to
the tire manufacturer’s recommended in-
tervals in the tire manufacturer’s warranty
pamphlet located in your vehicle literature
portfolio. If none is available, tires should
be rotated every 3 000 to 6 000 miles
(5 000 to 10 000 km), or sooner if neces-
sary, according to the degree of tire wear.
The same rotation (spinning) direction
must be maintained (page 585). Rotate tires before the characteristic tire
wear pattern becomes visible (shoulder
wear on front tires and tread center wear
on rear tires).
Thoroughly clean the mounting face of
wheels and brake disks, i.e. the inner side
of the wheels/tires, during each rotation.
Check for and ensure proper tire inflation
pressure.
For information on wheel change, see the
“Practical hints” section (
page 723).
Warning!
G
Rotate front and rear wheels only if the tires
are of the same dimension.
If your vehicle is equipped with mixed-size
tires (different tire dimensions front vs.
rear), tire rotation is not possible.
Warning!
G
Have the tightening torque checked after
changing a wheel. Wheels could become
loose if not tightened with a torque of
110 lb-ft (150 Nm).
Only use Genuine Mercedes-Benz wheel
bolts specified for your vehicle’s rims.
728 Practical hintsFlat tire6Wheel wrench
Tighten the five wheel bolts evenly, fol-
lowing the diagonal sequence illustrat-
ed (1 to 5), until all bolts are tight.
Observe a tightening torque of
110 lb-ft (150 Nm).
Fully collapse the jack, with handle
folded in (storage position),
(page 706).
Store the jack and the other vehicle
tools in the designated storage space
underneath the trunk floor
(page 705).
Warning!
G
Have the tightening torque checked after
changing a wheel. The wheels could come
loose if they are not tightened to a torque of
110 lb-ft (150 Nm).i
Vehicles with Advanced TPMS:
Do not activate the tire inflation pressure moni-
tor until a full size wheel/tire with functioning
sensor has been placed back into service on the
vehicle.
794 Index
Menu overview 259
Reset 263
Setting the system language 262
Time settings 259
Voice Control settings
(COMAND) 261
T
Tachometer 445
Overspeed range 445
Tail lamps
Cleaning lenses 619
Messages in display 692
Tar stains 616
Tele Aid 542
Automatic Maintenance Call 550
Call priority 548
Emergency calls 544
Hands-free microphone 33
Information 547
Information button 546
Initiating an emergency call
manually 545
Messages in display 699
Remote door lock 550
Remote door unlock 549
Roadside Assistance 546Roadside Assistance button 546
SOS button 545
Stolen Vehicle Recovery
services 550
System self-check 543
Telephone cradle
Changing 542
Telephone* 539
“911” emergency call
(COMAND) 145
Accepting/ending a call
(COMAND) 152
Answering/ending a call (Instrument
cluster control system) 302
Call lists (COMAND) 150
Changing mobile phone cradle 542
Compartment 527
Dialing (Instrument cluster
control system) 301
Entering the telephone number
(COMAND) 153
Hands-free microphone 33
Inserting in cradle 540
Installing a different mobile phone
cradle 542
Operation 299Operation (COMAND) 141
Phone book (COMAND) 158
Phone book (Instrument cluster
control system) 301
PIN (COMAND) 146
PIN2 (COMAND) 147
PUK / PUK2 (COMAND) 147
Redialing (COMAND) 154
Redialing (Instrument cluster
control system) 302
Removing from cradle 541
Single call connection
(COMAND) 155
Speed dialing (COMAND) 154
Submenu overview (COMAND) 148
Switching on/off (COMAND) 143
Transferring a call (COMAND) 157
Unlock code (COMAND) 147
Voice Control 313
Temperature
Outside temperature indicator 29
Setting interior temperature
(COMAND) 274
Tires 591
Tie-down hooks, Trunk 532
Tightening torque, Wheel bolts 728
