tire type MERCEDES-BENZ CLK320 CABRIOLET 2004 A209 Owner's Manual

296 OperationTires and wheels
Tires and wheelsSee your authorized Mercedes-Benz
Center for information on tested and rec-
ommended rims and tires for summer and
winter operation. They can also offer ad-
vice concerning tire service and purchase.Retreaded tires are not tested or recom-
mended by Mercedes-Benz, since previous
damage cannot always be recognized on
retreads. Mercedes-Benz can therefore
not assure the operating safety of the vehi-
cle when such tires are used.Warning!
G
Replace rims or tires with the same designa-
tion, manufacturer and type as shown on the
original part. See your authorized
Mercedes-Benz Center for further informa-
tion. If incorrectly sized rims and tires are
mounted:

The wheel brakes or suspension compo-
nents can be damaged.


The correct operating clearance of the
wheels and tires is no longer guaran-
teed.
Warning!
G
Worn, old tires can cause accidents. If the
tire tread is badly worn, or if the tires have
sustained damage, replace them.
When replacing rims, only use genuine
Mercedes-Benz wheel bolts specified for the
particular rim type. Failure to do so can re-
sult in the bolts loosening and possibly an
accident.

297 Operation
Tires and wheels
Important guidelines

Only use sets of tires and rims of the
same type and make.


Tires must be of the correct size for the
rim.


Break in new tires for approximately
60 miles (100 km) at moderate
speeds.


Regularly check the tires and rims for
damage. Dented or bend rims can
cause tire pressure loss and damage
the tire beads.


If vehicle is heavily loaded, check tire
pressure and correct as required.


Do not allow your tires to wear down
too far. Adhesion properties on wet
roads are sharply reduced at tread
depths under
1/8in (3 mm).


When replacing individual tires, you
should mount new tires on the front
wheels first (on vehicles with
same-sized wheels all around).
Life of tires
The service life of a tire is dependent upon
various factors including but not limited to:

Driving style


Tire pressure


Distance driven
Direction of rotation
Unidirectional tires offer added advantag-
es, such as better hydroplaning perfor-
mance. To benefit, however, you must
make sure the tires rotate in the direction
specified.
An arrow on the sidewall indicates the in-
tended direction of tire rotation.
Warning!
G
Tires and spare tire should be replaced after
six years, regardless of the remaining tread.!Keep unmounted tires in a cool, dry
place with as little exposure to light as
possible. Protect tires from contact
with oil, grease and gasoline.

425 Technical terms
Tele Aid System
(T
elematic A
larm I
dentification on D
e-
mand)
The Tele Aid system consists of three
types of response: automatic and man-
ual emergency, roadside assistance
and information. Tele Aid is initially ac-
tivated by completing a subscriber
agreement and placing an acquain-
tance call.
The Tele Aid system is operational pro-
vided that the vehicle’s battery is
charged, properly connected, not dam-
aged and cellular and GPS coverage is
available.
Telematics*
A combination of the terms “telecom-
munications” and “informatics”.Tightening torque
Force times lever arm (e.g. a lug
wrench) with which threaded fasteners
such as wheel bolts are tightened.
Tire speed rating
Part of tire designation; indicates the
speed range for which a tire is ap-
proved.
Traction
Force exerted by the vehicle on the
road via the tires.VIN
(V
ehicle I
dentification N
umber)
The number set by the manufacturer
and placed on the body to uniquely
identify each vehicle produced.
Voice control system*
Voice control system for car phones,
portable cell phones and audio sys-
tems (radio, CD, etc.).
Wind screen
Screen for deflecting wind from the ve-
hicle interior when the soft top is
lowered.

448 IndexSeat heating* 114
Switching on/off rapid heating
with seat ventilation* 115
Switching on/off rapid heating
without seat ventilation* 114
Switching on/off seat heating
with seat ventilation* 115
Switching on/off seat heating
without seat ventilation* 114
with seat ventilation* 115
without seat ventilation* 114
Seat ventilation* 113
Switching off 113
Switching on 113
Seats 109
Adjusting 34
Easy entry/exit feature 109
Multicontour seat* 112
Seat heating* 114
Seat ventilation* 113
Selecting
Display 143
Selecting display 144Selector lever
Lock 44
Message in display 325
Self-test
BabySmart
TM
airbag deactivation system 72
Tele Aid* 258
Service
Calling up the service indicator 303
Major service (Service B) 302
Minor service (Service A) 302
Overdue 302
Spare parts 398
Types 302
When due 302
Service (maintenance) 302
Service and Warranty Booklet
Loss of 399
Service and warranty information 10
Service indicator 302
Calling up 303
Clearing 302, 303
Service life (tires) 297
Service System see FSSSetting
Convenience functions 141, 149
Cruise control 227
Daytime running
lamp mode 145, 146
Distronic* time interval 236
Following distance in Distronic* 236
Higher speed in cruise control 228
Higher speed in Distronic* 234
Hours (clock) 144
Individual vehicle settings 139
Interior lighting
delayed switch-off 148
Key-dependent memory 151
Lamps and lighting
(control system) 145
Language, multifunction display 143
Locator lighting 146
Lower speed in cruise control 228
Lower speed in Distronic* 235
Miles/kilometers
in speedometer 142
Minutes (clock) 145
Parking position for exterior
rear view mirrors 151