25 At a glance
Instrument cluster
Item
Page
1
LLeft turn signal indi-
cator lamp
51
2
vESP warning lamp
358
3
Speedometer
4
Multifunction display
137
5
lDistance warning
lamp
Warning lamp without func-
tion. It illuminates with the
ignition on. It should go out
when the engine is running.
6
KRight turn signal indi-
cator lamp
51
7
Coolant temperature indi-
cator with:
135
•
Coolant temperature
warning lamp
357,
376
Item
Page
8
Tachometer with:
136
1Supplemental
restraint system
indicator lamp
359,
386
-Antilock Brake Sys-
tem (ABS) warning
lamp
354
386
AHigh beam headlamp
indicator lamp
129
BLow beam headlamp
indicator lamp
129
9
Main odometer with:
Gear selector lever posi-
tion
166
Program mode
170
Item
Page
a
Clock with:
151
;Brake warning lamp,
USA only
355
3Brake warning lamp,
Canada only?Engine malfunction
indicator lamp,
USA only
356
±Engine malfunction
indicator lamp,
Canada only
356
b
Fuel display with:AFuel reserve warning
lamp
359
c
Reset button for:
Resetting trip odometer
135
Adjusting instrument
cluster illumination
134
Confirming new time set-
tings
151
359 Practical hints
What to do if …?
Problem
Possible cause
Suggested solution
A
The yellow fuel tank reserve
warning lamp comes on while
driving.
The fuel level has gone below the reserve
mark.
Refuel at the next gas station
(page 305).
<
The red seat belt telltale illumi-
nates for a brief period after
starting the engine.
The seat belt telltale reminds you to fasten
seat belts.
Fasten your seat belt.
The seat belt telltale goes out.
<
The red seat belt telltale illumi-
nates and a warning chime
sounds for approximately six
seconds after starting the en-
gine.
The driver’s seat belt is not fastened before
the engine is started.
Fasten the driver’s seat belt.
The seat belt telltale goes out.
1
The red SRS indicator lamp
comes on while driving.
There is a malfunction in the restraint sys-
tems. The air bags or emergency tensioning
devices (ETDs) could deploy unexpectedly or
fail to deploy in an accident.
Drive with added caution to the near-
est authorized Mercedes-Benz
Center.
Warning!
G
In the event a malfunction of the SRS is indi-
cated as outlined above, the SRS may not be
operational. For your safety, we strongly
recommend that you visit an authorized
Mercedes-Benz Center immediately to have
the system checked; otherwise the SRS may
not be deployed when needed in an acci-
dent, which could result in serious or fatal
injury, or it might deploy unexpectedly and
unnecessarily which could also result in an
accident and / or injury to you or to others.
381 Practical hints
What to do if …?
Display symbol
Display message
Possible cause
Possible solution
A
Reserve fuel
The fuel level has dropped below the re-
serve mark.
Refuel at the next gas station
(page 305).
Y
Hood open!
You are driving with the hood open.
Close the hood (
page 309).
I
Remove key
You have forgotten to remove the
SmartKey.
Remove the SmartKey from the start-
er switch.
Replace key
No additional code available for SmartKey
or SmartKey with KEYLESS-GO*
Visit an authorized Mercedes-Benz
Center as soon as possible.
Key
Check battery!
The SmartKey with KEYLESS-GO* batter-
ies are discharged.
Change the batteries (
page 402).
Key
not recognized!
The SmartKey with KEYLESS-GO* is not
recognized while the engine is running be-
cause
the SmartKey is not in the vehicle
there is strong radio-frequency inter-
ference
Stop the vehicle as soon as it is safe to
do so.
Search for the SmartKey.
Otherwise the vehicle cannot be centrally
locked nor can the engine be started
again after the engine has been stopped.
The SmartKey with KEYLESS-GO* is mo-
mentarily not recognized.
Change the position of the SmartKey
in the vehicle.
Operate the vehicle with the SmartKey
in the starter switch if necessary.
Keyless Go
Check system
The KEYLESS-GO* system is malfunction-
ing.
Visit an authorized Mercedes-Benz
Center as soon as possible.
448 Technical dataFuels, coolants, lubricants, etc.
Model
Capacity
Fuels, coolants, lubricants, etc.
Cooling system
CLK 320
CLK 500
CLK 55 AMG
approx. 10.7 US qt (10.0 l)
approx. 12.8 US qt (12.0 l)
approx. 12.8 US qt (12.0 l)
MB 325.0 Anticorrosion/Antifreeze
Agent
Fuel tank
including a reserve of
CLK 320
CLK 500
CLK 55 AMG
16.35 US gal (62.0 l)
2.11 US gal (8.0 l)
2.11 US gal (8.0 l)
2.64 US gal (10.0 l)
Premium unleaded gasoline:
Minimum Posted Octane 91
(Avg.of96RON/86MON)
Air conditioning system
R-134a refrigerant and special PAG lu-
bricant oil (never R-12)
Windshield washer and
headlamp cleaning system*
6.4 US qt (6.0 l)
MB Windshield Washer Concentrate
1
1Use MB Windshield Washer Concentrate “S” and water for temperatures above freezing point or MB Windshield Washer Concentrate “S” and commercially available
premixed windshield washer solvent / antifreeze for temperatures below freezing point. Follow suggested mixing ratios (page 454).
470 IndexF
Fahrenheit
Setting temperature units 149
Fastening the seat belts 43
Fine adjustment
Cruise control 259
First aid kit 389
Flat tire 412
Collapsible tire
(CLK 55 AMG only) 394
Lowering the vehicle 418
Minispare wheel
(except CLK 55 AMG) 393
Mounting the spare wheel 413
Preparing the vehicle 412
Flexible Service System (Canada vehicles)
see Maintenance service system
Flexible Service System (FSS) 456
Floormats*
Removing 278
Installing 278Fog lamp, rear 128, 405
Fog lamps
Replacing bulbs 404
Fog lamps, front
Messages in display 382
Replacing bulbs 405
Switching on 128
Front air bags 65
Front lamps
Messages in display 382–384
Replacing bulbs 404, 406
Switching on 124
Front passenger front
air bag off indicator lamp 77, 360
Front seat head restraints
Installing 114
Power seat 114
Removing 114
Front seats
Seat heating* 119
Ventilation* 120
FSS (Canada vehicles) see
Maintenance service system
FSS (Flexible Service System) 456Fuel 306
Additives 451
Fuel reserve warning lamp 359
Gasoline additives 451
Premium
unleaded gasoline 306, 448, 450
Requirements 451
Reserve warning 25
Technical data 447
Fuel additives 451
Fuel cap
Message in display 356
Fuel consumption statistics
After start 161
Since last reset 161
Fuel filler flap 305
Locking 305
Opening 399
Unlocking 305
Fuel requirements 451
Fuel reserve tank
Message in display 381
Fuel tank
Capacity 448
Filler flap 305
473 Index
Instrument cluster 24, 134, 457
Cleaning 351
Coolant temperature indicator 135
Illumination 134
Lamps in 354–359
Multifunction display 137
Outside temperature indicator 136
Selecting language 150
Instruments and controls see Cockpit
Interior lighting 132
Activating automatic control 132
Deactivating automatic control 132
Delayed switch-off 157
Manual operation 133
Interior rear view mirror
Adjusting 41
Auto-dimming 178
Interior storage compartments 272
Intermittent wipe 53
J
Jack 389
Jump starting 423K
Key, mechanical 397
Key, SmartKey with KEYLESS-GO*
Replacing the batteries 403
Key-dependency memory
Settings 160
KEYLESS-GO* 457
Activating ignition with 36
Closing power
tilt/sliding sunroof* with 250, 253
Closing windows with 250, 253
Factory setting 101
Global locking 101
Global unlocking 101
Important notes 100
Locking the vehicle 103
Messages in display 381
Remote controls 99
Starting the engine 47
Turning off the engine 57
Unlocking with 33
Unlocking, trunk lid 104
Kickdown 171, 457
Kilometers/miles in speedometer 149
Kilopascal 339
Km/h or mph in speedometer 149L
Labels, identification 436
Lamp bulbs, exterior 404
Lamp sensor
Messages in display 383
Lamps, exterior
Front 404
Light sensor 383
Messages in display 382–385
Rear 405
Lamps, indicator and warning
ABS 354
Battery (SmartKey) 96, 102
Brakes 355
Center console 360
CHECK ENGINE 356
Coolant 357, 375
Engine diagnostics 356
ESP 358
Front passenger front
air bag off indicator lamp 66, 360
Fuel reserve 359
Instrument cluster 354–359
476 IndexMenus 138
AUDIO 143
Control system 140, 457
NAV 144
Settings menu 146
Standard display 142
Submenus 139
TEL* 162
Trip computer 160
Vehicle status message memory 145
Messages
Displaying 145
Vehicle status message memory 145
Microphone
Hands-free microphone 29
Miles/kilometers in speedometer
Setting 149
Minispare wheel
(except CLK 55 AMG) 393
Technical data 443Mirrors
Activating exterior rear
view mirror parking position 180
Adjusting 41
Auto-dimming rear view mirrors 178
Exterior rear view mirror 41
Exterior rear
view mirror parking positions 160
Interior rear view mirror 41
Storing exterior rear
view mirror parking position 123
MON (Motor Octane Number) 306, 457
Mph or km/h in speedometer 149
Multicontour seat* 118
Multifunction display 137, 457
Displaying gear range 168
Selecting language 150
Setting date (day) 153
Setting date (month) 153
Setting date (year) 154
Standard display 141Multifunction display messages
ABS 365
BAS 366
Battery 373
Brake fluid 374
Brake pads 374
Check engine 356
Coolant 376
Coolant level 375
Cruise control 367
Display 378
Doors 378
Engine 356
Engine oil 379
ESP 367
Fog lamps, front 382
Fuel cap 356
Fuel reserve tank 381
Gear selector lever 372
High beam headlamps 383
Hood 381
Key 381
Lamp sensor 383
Lamps 383
License plate lamp 383
Low beam 383