2004 MERCEDES-BENZ CLK CABRIOLET torque

70 Safety
Driving safety
systems
! ESP only functions prop erly if whe els with
the recommended tyre sizes are used
( =
page 399).
The engine must not be running if:
! the parking brake is being teste dusing a
dynamometer
! the vehicle is being towed with the front axle
ra ised
Appli cation of the brakes by ESP may otherw ise
des troy the braking system on therear axl e. i
Only use wheels with the recommended tyre
si zes. Only then wil lESP function properly. Activating
/deactivating ESP
It may be best to deactivate ESP in the
following situations:
! if snow chains are being used
! in deep snow
! on sand or gra vel When you deactivate ESP:
! ESP no longer improves driving stability
! the engine's torque isthen no longer
limited and the drive wheels could spin.
This res ults in a cutting action ofthe
spinning wheels for better grip
! traction control is still activated
! you can still brake with support from
ESP
i Thev warning lamp in the instrument
clus ter flashes if ESP isdeactivated and one or
mor ewhe els start to spin. ESP doe snot then sta-
bil ise the vehic le. G
Risk of accident Proceed as follows if the
vwarning lamp
in the speedometer flashes:
! under no circumsta nces should you
de activate ESP
! onlydepress the accelerator pedal as
far as necessary when pulling away
! donot keep your foot onthe ac celerator
while you are driv ing
! adapt your driving sty leto suit the road
and weather conditions
Otherwise ,the vehicle could begin toskid.
ESP cannot reduce the risk of an accident if
you drive too fast. G
Riskofaccident Activate ESP as soon as th
esituations
described above no longer apply. ESP will
ot he rwi sebe unable to stabilise the vehicle
if the vehicle starts to skid or when a wheel
spins. 209en_d2.
boo Seite 70Diens tag, 25 .Mai 2004 7:26 19

254 Operation
Tyres and wheels
Although you may be able to control the
vehicle fully at a given speed on a dry road
surface, you must reduce your speed on a
wet or icy road surface to achieve the
same level of road safety.
You should pay particular attention to the
road conditionswhen the temperatures
are around freezing.
If ice has formed on the road surface (e.g.
due to fog), a thin film of water quickly
forms on the ice when you brake, which
greatly reduces tyre grip. You should drive
part icularly carefully in such weather con-
ditio ns. G
Risk of accident Have th
etight ening torque checked after a
wheel cha ngeat a qual ified specialist work-
shop which has the necessary specialist
knowl edge and tools to carry out the work
require d.Mercedes -Benz rec ommends that
you use a Mercedes-Benz Service Cen tre for
this purpose. In particular ,work relevant to
safety or on safety-relate dsystems must be
carried out at a qualified specialist work-
shop.
The wheel bolts coul dwork loose if they are
not tightened to a torque of 110 Nm.
Mercedes-Benz rec ommends tha t,for safety
reasons, you only use suitable wheel bolts
whi chhave been approved for Mercedes-
Benz. Tyre grip209en_d2.boo Seite
254 Dienstag, 25. Mai 2004 7:26 19

373
Practical advice
Flat tyre
6 Press electr icair pump switch 2toI.
The electric air pump isswitched on.
The tyre ispumped up.
! Do not run the electric air pump for longer
than six minutes without a break, oth erwise it
may overheat.
The air pump can be used again once it has
cooled down.
6 Pum pup the tyre to 2.5 bar (this takes
about fi veminutes).
6 Press the switch on the electric air
pump to 0.
The electric air pump isswitched off.
If a tyre pressure of 2.5 bar is exceeded:
6 Open the pressure release screw on
pressure gauge 4until the tyre pres-
sure is adjusted.
6 Return the air pump to the stowage
well and close it. Lowering the vehicle
6
Lower the vehicle. To do this, turn the
crank anti-clockwise until the vehicle is
once again firmly on the ground.
6 Put the jack to one side.
1 –5 Wheel bo lts
6 Tighten the wheel bolts evenly inthe
sequence indicated. The tightening
torque must be 110 Nm. 6
Turn the jack back to its initial position
and return it and the rest of the vehicle
toolkit to the boot.
You can only use the MOE emergency run-
flat system in conjunction with the tyre
pressure loss warning.
! The maximum distance you may cover in
run-flat mode depends on the vehicle load. It is
50 km if the vehicle is partially laden and 30 km
if it is fully laden.
The maximum distance that may be drive nin run-
flat mode begins from the time the tyre pressure
loss warning appears in the multi-function dis-
play.
Yo u must not exceed a maximum speed of
80 km /h. P 40.10-2740-31 G
Risk of accident The wheel bolts may work loose if they are
not tightene dto a tightening torque of
11 0Nm . For this reason, you should have
the tightening torque checked as soonas
possible after a wheel change. MOE
emergencyrun-fl atsyst em* 209en_d2.boo Seite
373 Dienstag, 25. Mai 2004 7:26 19

394 Technical data
Engine Engine
CLK 200
KOMPR
ESSOR CLK 200 CGI CLK 240 CLK 320 CLK 500 CLK 55 AMG CLK 270 CDI
Ra
ted outp ut 12
0 kW
(163 bhp) 125 kW
(170 bhp) 12
5 kW
(170 bhp) 160 kW
(2 18 bhp) 225 kW
(306 bhp) 270 kW
(367 bhp) 12
5 kW
(170 bhp) at engine speed 5,500 rpm 5,
300 rpm 5,500 rpm 5,700 rpm 5,600 rpm 5,750 rpm 4,200
rpm Rated torque 240 250 240 310 460 510 400
at engine speed 3,000 – 4,000
rpm 3,000 – 4,500
rpm 4,500 rpm 3,
000 – 4,600
rpm 2,700 – 4,250
rpm 4,000 rpm 1,600 rpm
Numbe
rof
cyl inde rs 4 4 V6 V6 V8 V8 5
Valves
per
cy lind er 4 4 3 3 3 3 4
Displacement 1,796 cm
3 1,796 cm
3 2,597 cm
3 3,
199 cm 3 4,966 cm
3 5,439 cm
3 2,685 cm
3 Maximum engine
speed 6,000 rpm 6,
000 rpm 6,000 rpm 6,000 rpm 6,000 rpm 6,700 rpm 4,
60 0 rpm 209en_d2.boo Seite
394 Dienstag, 25. Mai 2004 7:26 19

421
Technical terms
Distronic* System which helps the driver to keep
to a pre-selected speed on motorways
and major roads:
! If there is no vehicl ein front, the
system operates inthe same way
as ->crui secon trol.
! If a vehicle is detected ahead,
Distronic automatically adjusts the
speed of the vehicle so that you al-
ways maintain the set minimum dis-
tance to the vehicle in front.
Draught stop Screen behin ddriver's seat and pas-
senger seat which reduc esthe draught
in the vehicle interior when the roof has
be en lowered. Drive train
Collective term for all vehicle compo-
nents which belong to the drive, such
as the:
! engine
! clut ch
! ->transmission
! ->auto matic transmission
! ->torque converter
! ->differenti allock
! ->transfer case
! propeller shafts
! drive shafts
! ->wheels
DTR* (->D istr onic)e mark
Mark of certification in accordance
with current EU directives.
Easy entry Facilitates getting into the rear of the
vehicle by moving the front seats for-
wa rds.
ELCODE (El ectronic Code System)
Sy stem whi chelectronically checks
wh ether a person entering or driving
the vehicle is entitled to do so, and
wh ich forms part of the anti-theft sys-
tem in Mercedes-Benz veh icles.
EMC (E lectrom agnetic C ompatibility)
The ele ctrical and electronic compo-
nents of the vehicle are protected from
interference fields, such as transmit-
ters, radar systems, overhead power
lines or mobile phones. 209en_d2.boo Seite
421 Dienstag, 25. Mai 2004 7:26 19

424 Technical terms
Maximum torque Maximum ->torque that is achieved at a
given engine speed. The higher the
max imum torque, the greater the pow-
er delive red to the wheels by the en-
gine.
Memor yfunction*
Memory for three individual seat, steer-
ing wheel and mirror positions. Posi-
tions are saved for each key and/or
->KEYLESS GO key*.
Menu The ->operating system displays are ar-
ranged in menus. Several commands
are grouped together in the men us, e.g.
the Audio menu contains theSelect
station
orOperate the CD playercom-
mands. You can change the settings for
your vehicle directly using these com-
mands. Minispare
->Emergency spare wheel
MON (M otor O ctane N umber)
Indicates the petrol octane number de-
termined by standard methods. MON is
a measure of the ->knock resistance of
the pet rol.
Multi-function display Display in the ->instrument cluster
which shows information about the
->operati ngsystem and system mes-
sages.
Multi-function ste ering wheel
Steering wheel with buttons which you
use to contro lthe ->operating system.
On-board voltage
The vehicle's voltage, influenced by
outgoing lines, electrical consumers
and return lines. The battery can re-
ceive and produce extremely high elec-
tric alcurrent without causing a
significant change in the voltage. Operating system
You can use the operating syst emto
look up information about your vehicle
and to make settings. This information
is displayed on the ->multi-function dis-
play. The buttons on the ->multi-func-
tion steering wheel are used to control
the displ ayand the settings in the oper-
at ing system.
Overrevving range Speeds in the red area of the rev coun-
ter at which the engine can only oper-
ate for a shor tperiod.
Overrun mode Passive acceleration (deceleration) of
the vehicle, e.g. if you drive downhi llor
release the accelerator pedal.
Parking brake Prevents th evehicle from rolling away
when it is parked. 209en_d2.boo Seite
424 Dienstag, 25. Mai 2004 7:26 19

425
Technical terms
Parktronic* System wh ich makes parking easier by
giving the driver visual and audible sig-
nals.
Partial load mode Engine operating status in which only
part of the maximum engine output or
maximum torque isused, e.g. in ->over-
run mo de.
Program selector switch In vehicles wit h->automatic transmis-
sion*, switch used to shift between
"sport mode" and "comfort mode" or
to select the "manual gear shift pro-
gram"*. This aff ects the gearshift ing
characteristics of the transmission.
PTS* (->P ar
kt ronic s ystem*)
Ra
insen sor
Automatica lly switches the winds creen
wipers on in the event of rain.
RDS (R adio D ata S ystem)
Digital data transfer system for UHF ra-
dio stations.
Re arward-facing child seat
Special ->restraint system for children
up to nine months of age or weighing
up to 10 kg. If a rearward-f acing child
seat wi thautomatic ->child seat recog-
nition is fitted, the sensor system pre-
ve nts the front-passenger airbag from
being triggered.
Re stra int systems
Seat bel ts,belt tensioners, belt force
li miters, airbags and child restraint sys-
tems. As independent systems, their
protecti vefunctions complement one
another. Ribbed mats
Floormats with anti-slip rubber surface.
Rim Part of the ->wheel to whi chthe tyre is
fitted. Term commonly used for both
rim and wheel disc.
Roll-o ver ba rs
Occupant prote ction system consisting
of plastic-coated stee lpipes. The roll-
over bars are retracted in the bodywork
under normal driving conditions.
! The roll-over bars are raised auto-
matically in critic al driving situa-
tions.
! You can raise and lower the roll-
over bars manually.
RON (R esearch O ctane N umber)
Indicates the petrol octane num ber de-
ter mined bystan dard methods. RONis
a measure of the ->knock resistance of
the petrol. The RON is approximately
te n points higher than the ->MON. 209en_d2.boo Seite
425 Dienstag, 25. Mai 2004 7:26 19

426 Technical terms
Selector lever lock Lock wh ich prevents the ->automatic
tra nsmission selector lever from acci-
dentally shifting from position Pto an-
other position while the vehicle is being
parked.
Shift range Numb er of selectable gears available to
the ->automatic transmis sion. The shift
range can be restricted or extended as
re qu ired.
Shoulders On tyres: edges of the tyre tread.
SMS (S hor
t M essage S er
vice)
Mobile network service for sending text
messag es(commonly used to refer to
the text message itself).
Speed index Part of the tyre designation; indicates
the spe edran gepermitted for a tyre. Speedtronic
Feature of ->cruise control that enables
the driver to set a variab lespeed limit
(specific to the current trip) or a perma-
nent speed limit (->LIM indicator lamp).
SRS (S upplemental R estraint S ystem)
Additional ->restraint system ssuch as
belt tensioners and bel tforce limiters.
Steerability Steerability describes the extent to
which the dri ver's steering movements
ar e translated int oactua l ch anges in di-
rection of the vehicle.
Symmetrical dipped -bea mh eadlamps
Position of the dipped-beam head-
lamps whereby the light isdistributed
evenly between the inside and the out-
side of the carriageway. Th
erma tic
->Climate control system which uses
co ld air or residual hea t toheat and
ventilate the vehicle, even when the en-
gine is switched off. The temperature
can be contro lled by the driver and
front passenger separately.
Th ermo tronic*
->Climate control system which uses
co ld air or residual hea t toheat and
ventilate the vehicle, even when the en-
gine is switched off. The temperature
and air distribution can be controlled
by the driver and front passenger sepa-
rately.
Tightening torque Force with which bolts, such as the
whee lbol ts, are tightened (->torque). 209en_d2.boo Seite
426 Dienstag, 25. Mai 2004 7:26 19