1 Contents
IntroductionProduct information .......................... 5
Operator’s manual ............................. 6
Where to find it ................................ 11
Reporting Safety Defects ................ 13Instruments and controlsInstruments and controls ............... 16
Center console .............................. 18
Overhead control panel ............... 19OperationVehicle keys ...................................... 22
Remote control with
folding master key ...................... 22
Start lock-out .................................... 24
General notes on the
central locking system ............... 24
Central locking system ................... 25
Remote control ............................. 25
Panic button .................................. 27
Doors .................................................. 28Central locking switch .................... 30
Automatic central locking ...............31
Emergency unlocking in
case of accident .......................... 32
Trunk ................................................. 33
Emergency release
for trunk lid ................................. 35
Antitheft alarm system ................... 35
Tow-away alarm ............................... 37
Seats .................................................. 38
Seat heater ........................................ 42
Seat belts and integrated
restraint system .......................... 44
Seat belts .......................................... 44
Seat belt nonusage
warning system ............................ 45
BabySmart
TM airbag
deactivation system ................... 50
Self-test BabySmart
TM without
special child
seat installed .................................51
Supplemental restraint
system (SRS) ................................51
Emergency tensioning
retractor (ETR) ............................ 52Airbags .............................................. 52
Safety guidelines for the
seat belt, emergency
tensioning retractor
and airbag .................................... 59
Infant and child
restraint systems ......................... 61
Adjusting telescoping
steering column .......................... 63
Rear view mirrors ............................ 64
Instrument cluster ........................... 68
Flexible service
system (FSS) ................................ 75
Checking engine oil level ............... 77
Engine oil consumption .................. 78
Exterior lamp switch ....................... 79
Headlamp cleaning system ............ 80
Combination switch ........................ 81
Hazard warning flasher
switch ............................................ 83
Climate control ................................. 84
Rear window defroster .................... 88
Audio and telephone,
operation ...................................... 91
3 Contents
Instrument cluster displayMalfunction and indicator
lamps in the instrument
cluster ......................................... 178
On-board diagnostic system ..... 178
Check engine malfunction
indicator lamp ............................. 178
Brake warning lamp .................. 179
Brake pad wear
indicator lamp ............................. 180
Seat belt nonusage
warning lamp .............................. 180
Supplemental restraint
system (SRS)
indicator lamp ............................. 180
Fuel reserve and fuel cap
placement warning .................... 181
Electronic stability
program (ESP) —
warning lamp .............................. 181
BAS / ESP malfunction
indicator lamp ............................. 181
ABS malfunction
indicator lamp ............................. 182Telescoping steering
column warning lamp ................182
Low engine coolant level
warning lamp ..............................183
Low windshield and
headlamp washer system
f luid level warning lamp ...........183
Low engine oil level
warning lamp ..............................184
Charge indicator lamp ...............184
Exterior lamp failure
indicator lamp .............................185
Additional function
indicator lamps
(in the odometer display) ..........185
Malfunction and indicator
lamp in the center console .......185
AIRBAG OFF
indicator lamp .............................185
Practical hintsFirst aid kit ......................................188
Stowing things
in the vehicle .............................188Fuses ................................................ 188
Hood ................................................. 190
Automatic transmission
fluid level ................................... 192
Checking engine oil level ............. 193
Coolant level ................................... 194
Adding coolant ........................... 194
Windshield and
headlamp washer system ........ 195
Air pump, spare wheel,
vehicle tools,
storage compartment ................ 196
Vehicle jack ..................................... 197
Wheels ............................................. 198
Tire replacement ........................ 198
Rotating wheels .......................... 199
Spare wheel ....................................200
Spare wheel bolts ....................... 201
Changing wheels ...........................202
Inflating the collapsible
spare tire .....................................207
Storing spare wheel in
wheel well ...................................208
Tire inflation pressure ..................209
20 Contents - Operation
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
OperationVehicle keys ...................................... 22
Remote control
with folding master key ............. 22
Start lock-out .................................... 24
General notes on
the central locking system ........ 24
Central locking system ................... 25
Remote control ............................. 25
Panic button .................................. 27
Doors .................................................. 28
Central locking switch .................... 30
Automatic central locking .............. 31
Emergency unlocking in case of
accident ........................................ 32
Trunk ................................................. 33Emergency release for trunk lid ... 35
Antitheft alarm system ................... 35
Tow-away alarm ............................... 37
Seats .................................................. 38
Seat heater ........................................ 42
Seat belts and integrated restraint
system .......................................... 44
Seat belts .......................................... 44
Seat belt nonusage
warning system ............................ 45
BabySmart
TM airbag deactivation
system .......................................... 50
Self-test BabySmart
TM without
special child seat installed ..........51
Supplemental restraint system
(SRS) ..............................................51
Emergency tensioning retractor
(ETR) ............................................. 52Airbags .............................................. 52
Safety guidelines for the seat belt,
emergency tensioning retractor
and airbag .................................... 59
Infant and child
restraint systems ......................... 61
Adjusting telescoping steering
column .......................................... 63
Rear view mirrors ............................ 64
Instrument cluster ........................... 68
Flexible service system (FSS) ........ 75
Checking engine
oil level ......................................... 77
Engine oil consumption .................. 78
Exterior lamp switch ....................... 79
Headlamp cleaning system ............ 80
Combination switch ........................ 81
70 Instrument cluster
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Indicator lamps in the instrument cluster
High beam
ABS malfunction, see page 182
Brake fluid low (except Canada).
Parking brake engaged, see page 179
Brake fluid low (Canada only).
Parking brake engaged, see page 179
BAS malfunction, see page 181
ESP malfunction, see page 181
ESP. Adjust driving to road condition,
see page 181
Fasten seat belts, see page 180
Fluid level for windshield and headlamp
washer system low, see page 183
Coolant level low, see page 183
Engine oil level low, see page 184Brake pads worn down, see page 180
Battery not being charged properly,
see page 184
Exterior lamp failure, see page 185
Telescoping steering column not locked,
see page 182
SRS malfunction, see page 180
Engine malfunction indicator lamp. If the
malfunction indicator lamp comes on when
the engine is running, it indicates a
malfunction of the fuel management system,
emission control system, systems which
impact emissions, or the fuel cap is not
c l o se d t i g h t. I n a l l c a se s, w e r e c o m m e n d t h a t
you have the malfunction checked as soon as
possible, see page 178
Function indicator lamp on the center console
Front passenger airbag automatically
switched off, see page 185
ABS
AIRBAGOFF
77 Checking engine oil level
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Checking engine oil level
(model SLK 320)
Turn electronic key in steering lock to position 2 and
wait until the symbols : and I appear in the
odometer display field.
Within 1 second press left button on the instrument
cluster twice.The following messages are available:
“OK”
“-1.0 Q” (Canada: -1.0 L)
“-1.5 Q” (Canada: -1.5 L)
“-2.0 Q” (Canada: -2.0 L)
If the message “-2.0 Q” (Canada: -2.0 L) blinks and a
signal sounds, add oil to upper (max) mark of the
dipstick.
“HI”
The message “HI” blinks and a signal sounds.
Do not overfill the engine.
Excessive oil must be drained or siphoned. It could
cause damage to engine and catalytic converter not
covered by the Mercedes-Benz Limited Warranty.
The symbol I f la sh es in th e od ome ter display f ield if
a proper oil level check cannot be performed.
The oil level check can be repeated after a short time.
Perform the oil level check with the dipstick, if it cannot
be compl eted via t he od ometer display f iel d. In t his case
we recommend that you have the system checked at a
Mercedes-Benz Center.
78 Checking engine oil level
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Notes:
If the symbols : and I are continuously
illuminated after pressing button “1” on the instrument
cluster twice and there is no change in the odometer
display field or the low engine oil level warning lamp
comes on, a malfunction has occurred to the system.
Perform the engine oil level check with the dipstick.
If no oil leaks are noted continue to drive to the nearest
Mercedes-Benz Center to have the system checked.Engine oil consumption
Engine oil consumption checks should only be made
after the break-in period. During the break-in period,
higher oil consumption may be noticed and is normal.
Frequent driving at high engine speeds results in
increased consumption.
175 What you should know at the gas station
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Engine oil
Engine oil level check, see page 193.
Fil l qua ntity between u pper a nd l owe r dipstick ma rking
level: 2.1 US qt (2.0 l).
Recommended engine oils, see Approved Service
Products sheet.
Coolant
For normal replenishing, use water (potable water
quality).
For further information (e.g. anticorrosion / antifreeze),
see page 256.
Spark plugs
Approved spark plugs, see page 251.
Tire pressure
For tire pressure, refer to tire pressure label inside the
fuel filler flap.Air conditioner
R-134a refrigerant and special PAG lubricant, see
page 252.
Bulbs
High and low beams (Halogen): H7 (55 W),
fog lamps: H1 (55 W),
turn signal lamps, parking and standing lamps, front:
2357 NA (28.5 / 8.3 W / 30 / 2.2 cp),
side marker lamps, front: 5 W / 4 cp
stop lamps: 1154 21 W / 32 cp,
backup lamps: 1154 21 W / 32 cp,
turn signal lamps, rear: 1156 NA 21 W / 24cp,
tail, parking and standing lamps: 67 5 W / 4cp,
rear fog lamp, driver´s side: 1155 21 W / 32 cp,
license plate lamps: 67 5 W / 4 cp
Xenon bulb for low beam: D2R (35W)
Wa r n i n g !
Because of high voltage in Xenon lamps, it is
dangerous to replace the bulb or repair the lamp
and its components. We recommend that you have
such work done by a qualified technician.
176 Check regularly and before a long trip
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Check regularly and before a long trip
SLK 230 Kompressor shown1Windshield washer and
headlamp cleaning system
For refilling reservoir, see page 195.
2Coolant level
See “Adding coolant” on page 194.
3Engine oil level
See “Checking engine oil level” on page 193 and
“Engine oil level indicator” on page 77.
4Brake fluid
See “Brake fluid” on page 254.
Opening hood, see page 190.
Ve h i c l e l i g h t i n g : Check function and cleanliness. For
replacement of light bulbs, see “Exterior lamps” on
page 218.
Exterior lamp switch, see page 79.