Page 417 of 473

416 Practical hints
Jump starting
The battery is located in the engine
compartment on the right hand side. The
terminals for jump starting are located in
front of the battery.
Make sure the two vehicles do not
touch.
Turn off all electrical consumers.
Apply parking brake.
Shift gear selector lever to positionP.
Open the hood (page 297).
Flip up cover positive under hood
terminal2 in front of the filter box
(
page 411).1Positive terminal of charged battery
2Positive under hood terminal in front of
discharged battery
3Negative under hood terminal in front
of discharged battery
4Negative terminal of charged battery
Connect positive terminal1 of the
charged battery with positive under
hood terminal2 in front of the filter
box with the jumper cables. Clamp ca-
ble to charged battery1 first.
Start engine of the vehicle with the
charged battery and run at idle speed.
Connect negative terminal4 of the
charged battery with negative under
hood terminal3 in front of the filter
box with the jumper cables. Clamp ca-
ble to charged battery4 first.
Start the engine of the disabled
vehicle.
You can now again turn on the electrical
consumers. Do not turn on the lights under
any circumstances.
Remove the jumper cables first from
negative terminals3 and4 and then
from positive terminals2 and1.
You can now turn on the lights.
Have the battery checked at the near-
est authorized Mercedes-Benz Center.
Warning!G
Keep flames or sparks away from battery.
Do not smoke.
Observe all safety instructions and precau-
tions when handling automotive batteries
(
page 303).
!
Never invert the terminal connections!
Page 420 of 473
419 Practical hints
Towing the vehicle
Installing towing eye bolt
1Cover on right side of front bumper.
2Cover on right side of rear bumper.Removing cover
Press mark on cover1 or2 in
direction of arrows.
Lift cover off to reveal the threaded
hole for towing eye bolt.
The towing eye bolt is supplied with the
tool kit (located in the compartment under-
neath the trunk floor).
Screw towing eye bolt in to its stop and
tighten with lug wrench.
Reinstalling cover
Fit cover1 or2 and snap into place.
i
If the battery is disconnected or
discharged
the SmartKey will not turn in the
starter switch. For more informa-
tion, see “Battery” (
page 411)
and “Jump starting” (
page 415).
the gear selector lever will remain
locked in positionP. For informa-
tion on manually unlocking the
transmission gear selector lever
(
page 388).
Page 435 of 473
434 Technical data
Electrical system
ModelC55AMG
Generator (alternator)14 V/150 A
Starter motor14 V/1.7 kW
Battery12 V/100 Ah
Spark plugsNGK ILFR 6 A
Electrode gap0.031 in (0.8 mm)
Tightening torque18–22lb-ft (25–30Nm)
Page 448 of 473

447 Technical terms
Production options weight
(
page 333)
Program mode selector switch
Used to switch the automatic
transmission* between standard
operationS, comfort operationC and
manual operationM.
PSI
(P
ounds per square inch) (page 333)
Recommended tire inflation pressure
(
page 333)
Restraint systems
Seat belts, belt tensioners, air bags
and child restraint systems. As inde-
pendent systems, their protective
functions complement one another.
Rim
(
page 333)RON
(R
esearch Octane Number)
The Research Octane Number for gaso-
line as determined by a standardized
method. It is an indication of a gaso-
line’s ability to resist undesired deto-
nation (knocking). The average of both
the ->MON (Motor Octane Number)
and RON (Research Octane Number) is
posted at the pump, also known as
ANTI-KNOCK INDEX.
Shift lock
When the vehicle is parked, this lock
prevents the transmission gear
selector lever from being moved out of
positionP without SmartKey turned
and brake pedal depressed.
Sidewall
(
page 333)SRS
(S
upplemental Restraint System)
Seat belts, emergency tensioning
device and air bags. Though indepen-
dent systems, they are closely inter-
faced to provide effective occupant
protection.
Tele Aid* System
(T
elematic Alarm Identification on
D
emand)
The Tele Aid system consists of three
types of response: automatic and
manual emergency, roadside assis-
tance and information. Tele Aid is
initially activated by completing a
subscriber agreement and placing an
acquaintance call.
The Tele Aid system is operational
provided that the vehicle’s battery is
charged, properly connected, not
damaged and cellular and GPS
coverage is available.
Page 451 of 473

450 Index
Audio system 197
Audio and telephone, operation 197
Button and soft key operation 200
CD changer* with MP3 216
CD operation 214
Operating and display elements 198
Operating audio system 200
Operating safety 197
Radio operation 205
Telephone* operation 223
Auto-dimming mirror* 169
Automatic central locking
Activating/deactivating
(Control system) 147
Automatic climate control*
(Canada only) 184
Control panel 185
Defrosting, front 190
Rear window defroster 173
Automatic headlamp mode 115
Automatic locking when driving 103
Automatic shift program
Program mode selector switch
(Automatic transmission) 161Automatic time change (Standard time,
Daylight Saving time) 142
Automatic transmission 155
Accelerator position 158
Automatic shift program 161
Emergency operation
(Limp-Home Mode) 168
Fluid level (ATF) 301
Gear ranges 160
Gear selector lever 155
Gear shifting malfunctions 168
Kickdown 158
Kickdown, manual shift program 167
Manual shift program 165
Manual shifting 162
One-touch gearshifting,
Gear selector lever 162
One-touch gearshifting,
Steering wheel gearshift
control 163
Program mode selector switch 161
Program mode selector switch,
manual shift program 165
Starting engine 46B
BabySmartTM
Air bag deactivation system 75, 443
Compatible child seats 75, 443
Self-test 76
Backrest
Rear seat, folding 252
Seat, power 36
Backup lamps
Messages in display 374
Replacing bulbs 396
Bar 331
BAS 84, 443
Batteries, SmartKey
Changing 393
Checking battery condition 98
Battery, Vehicle 303, 411
Charging 413
Disconnecting and connecting 412
Jump starting 415
Removing and installing 412
Bead 331
Bi-Xenon headlamps see headlamps
Block heater (Canada only) 337
Bolts, Spare wheel 385
Brake Assist System see BAS
Page 454 of 473

453 Index
Driving
Abroad 290
Hydroplaning 287
In winter 288
Instructions 42, 283
Problems 52
Safety systems 82
Systems 245
Through standing water 289
Driving safety systems
ABS 82
BAS 84
ESP
®84
E
Easy-entry/exit feature 39, 148
Electrical fuses see Fuses
Electrical outlet 263
Electrical system, Technical data 434
Electronic Stability Program see ESP
®
Emergency calls
911 calls 235
Tele Aid* calls 266, 267, 271
Emergency operation
(Limp-Home Mode) 168Emergency operations
Gear selector lever, Unlocking 388
Locking/unlocking the vehicle 386
Power tilt/sliding sunroof*,
Manual operation 389
Remote door unlock 272
Trunk lid, Releasing from inside 102
Trunk lid, Unlocking 387
Emergency Tensioning Device see ETD
Emergency, in case of
Battery, Jump starting 415
First aid kit 350, 380
Flat tire, Changing 404
Fuses 420
Hazard warning flasher 119
Instrument cluster,
Indicator lamps 350–356
Roadside Assistance 12, 268
Towing the vehicle 417
Emission control 291
Information label 426
System warranties 10Engine
Belt layout 427
Block heater (Canada only) 337
Brake-in recommendations 282
Cleaning 343
Compartment 297
Malfunction indicator lamp 25, 352
Maximum engine speed 428
Number 426
Starting 46
Technical data 428
Turning 56
Engine coolant see coolant
Engine number 444
Engine oil 298, 437
Adding 300
Additives 437
Changing 436
Checking level 299
Consumption 298
Display messages 299
Filler neck 301
Messages in display 299, 371, 372
Recommended engine and
oil filter 371
Viscosity 444
Page 457 of 473

456 Index
High mounted brake lamp 396
Hood 297
Message in display 373
Horn 23
HVAC see Climate control
Hydroplaning 287
I
Identification labels 426
Identification number, Vehicle (VIN) 426
Ignition 33, 46
Immobilizer 88
Indicator lamps see Lamps, indicator and
warning
Infant and child restraint systems see
Children in the vehicle
Inflation pressure see Tires, Inflation
pressures
Inside door handle 99
Instrument and controls see Instrument
clusterInstrument cluster 24, 122, 445
Cleaning 346
Illumination brightness 122
Lamps 350, 356
Messages in display see Malfunction
display messages
Multifunction display 125
Instrument lighting see Instrument cluster,
Illumination brightness
Instruments and controls see Cockpit
Interior lighting 120
Delayed shut-off 147
Interior rear view mirror 40
Auto-dimming mirrors* 169
Interior storage spaces see Storage
compartment
J
Jack 380
Jacking up the vehicle 405
Jump starting 415K
Key, mechanical 386
Key, SmartKey
Batteries 98
Battery check lamp 98
Changing batteries 393
Factory setting 96
Locking/unlocking 32, 96
Locking/unlocking, Global setting 96
Locking/unlocking, Selective
setting 96
Loss of 98
Messages in display 373
Opening and closing the power
windows 241
Opening and closing the tilt/sliding
sunroof* 241
Positions in starter switch 33
Remote control 94
Starting the engine 45
Turning off the engine 56
Unlocking, Trunk lid 98
Valet locking 103
Kickdown 158, 445
Kilopascal 332
Page 458 of 473

457 Index
L
Labels 426
Certification 426
Emission control information 426
Emission control vacuum line
routing 426
Lamp sensor
Message in display 375
Lamps, exterior 395, 396
Light sensor 375
Messages in display 374, 375, 376,
377
Lamps, indicator and warning
ABS 25, 350
Battery (SmartKey) 96
Brakes 25, 351
Engine diagnostics 352, 356
Engine malfunction 25, 352–353
ESP
®25, 354
Fog lamps 114
Front passenger front air bag off 27,
66
Fuel reserve 25, 354
High beam headlamps 25
Instrument cluster 350, 356
Low beam headlamps 25Maintenance service indicator 338
Rear fog lamp 114
Seat belt telltale 25
SRS 25, 61, 356
Turn signals 25
Language, Setting 138
LATCH-type child seat anchors see
Children in the vehicle
Leather upholstery, Cleaning and
care of 347
License plate lamps
Messages in display 375
Replacing bulbs 396
Light alloy wheels
Cleaning 346
Technical data 431, 432
Light sensor see Lamp sensor
Lighter see Cigarette lighter
Lighting
Parking lamps 114
Lighting, Exterior and interior 114
Limp-Home Mode 168
Loading see Vehicle loading
Loading terminology 331
Loading the vehicle 308
Locator lighting 117, 145Locking knob 445
Loss of keys 98
Loss of Service and Warranty Information
Booklet 425
Low beam headlamps
Indicator lamp 25
Messages in display 375, 376
Replacing bulbs 395, 398
Switching on 48
Lubricants 436
Technical data 436
Lumbar support* 109
M
Main dimensions 435
Main fuse box
In passenger compartment 421
Main odometer 125