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264 Tires, Wheels
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Spare wheel
Spare wheel CLK 320 (except Sport Package)
Important!
The spare wheel rim is mounted with a full size tire of
the same type as on the vehicle, and is fully functional.
However, that spare wheel rim is weight optimized and
has a limited service life of 12 000 miles (20 000 km)
use before a standard wheel rim must replace it.
In the case of a flat tire, you may temporarily use the
spare wheel.
Do not operate vehicle with more than one spare wheel
mounted.
Unidirectional tires must always be mounted with arrow
on tire sidewall pointing in direction of vehicle forward
movement.
If the arrow on tire side wall does not point in direction
of vehicle forward movement when using the spare
wheel, observe the following restriction:
•Drive to the nearest tire repair facility as soon as
possible.For rim and tire specifications, refer to “Technical Data”
(page 314).
Spare wheel CLK 320 (with Sport Package),
CLK 430, CLK 55 AMG
Important!
The spare wheel rim size is 7
1/2J x 17 H 2.
The spare wheel rim is mounted with a full size tire of
the same type as on the vehicle’s front axle (CLK 320
with Sport Package: the tire size is 205/55 R 16 91 H),
and is fully functional. However, the spare wheel rim is
weight optimized and has a limited service life of
12 000 miles (20 000 km) use before a standard wheel
rim must replace it.
Wa r n i n g !
The spare wheel rim is for temporary use only. Use
for over a total of 12 000 miles (20 000 km)
(aggregate of all uses) may cause wheel rim failure
leading to an accident and possible injuries.
J_A208.book Seite 264 Donnerstag, 31. Mai 2001 9:35 09
Page 275 of 346

272 Battery
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
If a tire constantly loses air, it should be inspected for
damage.
The spare tire should be checked periodically for
condition and inflation. Spare tire will age and become
worn over time even if never used, and thus should be
inspected and replaced when necessary.Battery
Important!
Battery replacement information:
The maintenance-free battery is located in the trunk
under the trunk floor.
The service life of the battery is dependent on its
condition of charge. The battery should always be kept
sufficiently charged, in order to last an optimum length
of time.
Wa r n i n g !
Do not overinflate tires. Overinflating tires can
result in sudden deflation (blowout) because they
are more likely to become punctured or damaged
by road debris, potholes etc.. Follow recommended
inflation pressures.Do not overload the tires by exceeding the specified
vehicle capacity weight (as indicated by the label
on the driver’s door latch post). Overloading the
tires can overheat them, possibly causing a
blowout.
Wa r n i n g !
Failure to follow these instructions can result in
severe injury or death.Never lean over batteries while connecting, you
might get injured.Battery fluid contains sulfuric acid. Do not allow
this fluid to come in contact with eyes, skin or
clot hin g. In cas e i t d oes , i mm ed ia tely f lus h a f fected
area with water and seek medical help if necessary.A battery will also produce hydrogen gas, which is
flammable and explosive. Keep flames or sparks
away from battery, avoid improper connection of
jumper cables, smoking etc..
J_A208.book Seite 272 Donnerstag, 31. Mai 2001 9:35 09
Page 338 of 346

335 Index
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex Setting the audio volume .............................................. 108
Shelf below rear window ..............................................250
Side marker lamp ..........................................................284
Snow chains .................................................................... 211
Soft top ............................................................................ 162
Emergency operation ............................................... 291
Lowering ..................................................................... 164
Raising ........................................................................ 166
SOS-call
See Tele Aid ............................................................... 182
Spare parts service ........................................................ 310
Spare wheel ........................................................... 260, 264
Special settings (Automatic climate control) ............ 123
SRS indicator lamp ........................................................ 230
SRS malfunction .............................................................. 68
Start lock-out .................................................................... 26
Starting and turning off the engine ............................ 194
STEER. WHEEL ADJUST. - malfunction
and warning messages ............................................ 243
Steering column, adjustable ........................................... 77
Steering lock ................................................................... 192
Storage compartment
Trunk floor .................................................................260Storage compartments
Center console ........................................................... 152
Glove box .................................................................... 151
Storage compartments, armrest
and cup holder ........................................................... 151
Stowing things in the vehicle ..................................... 250
Sun visors ........................................................................ 150
Supplemental restraint system (SRS) ........................... 65
Synchronizing remote control .................................... 290
TTachometer ........................................................................ 87
Technical data ................................................................. 313
Electrical system ....................................................... 316
Main dimensions ...................................................... 317
Rims and tires ........................................................... 314
Weights ....................................................................... 317
Tele Aid ............................................................................ 182
Emergency calls ........................................................ 183
Information ................................................................ 187
Initiating an emergency call manually .................. 185
Roadside Assistance ................................................. 186
J_A208.book Seite 335 Donnerstag, 31. Mai 2001 9:35 09