636 Practical hints
Unlocking/locking in an emergency
Unlocking the trunk
A minimum height clearance of 5.78 ft
(1.76 m) is required to open the trunk lid.
Insert the mechanical key2 into the
trunk lid lock until it stops.
Turn mechanical key2 all the way
counterclockwise to position 1.
The trunk opens.
Turn the mechanical key2 back and
remove it from the trunk lid lock.
Locking the vehicle
If you cannot lock the vehicle with the
SmartKey or KEYLESS-GO*, do the
following:
Open the passenger door.
Close the driver’s door and the trunk.
Check whether the trunk is locked.
If necessary, lock the trunk with the
mechanical key (
page 465).
Press down the locking knob of the
driver’s door manually.
Press down the locking knob of the
passenger door.
Exit the vehicle.
Close the passenger door.
The vehicle is locked.
1Unlocking in an emergency
2Mechanical key
!The trunk lid swings open upwards automat-
ically. Always make sure that there is sufficient
overhead clearance.
iIf you cannot close the trunk with the re-
mote trunk opening/closing switch, lower the
trunk lid manually and close it with hands placed
flat on the trunk lid until it is engaged in its lock.
!To prevent inadvertent lockout, make sure
to have the SmartKey or SmartKey with
KEYLESS-GO* with you before proceeding with
the next step. The next step will lock the vehicle.
iThis procedure does not arm the anti-theft
alarm system nor does it lock the fuel filler flap.
637 Practical hints
Unlocking/locking in an emergency
Mechanically releasing the electronic
parking brake
The mechanical release device for the
electronic parking brake is behind the fuel
filler flap next to the fuel cap.
1Protective cap
2Release tool
3Pulling
Shift the automatic transmission to P
(
page 389).
Prevent the vehicle from rolling away
by blocking a rear wheel with the wheel
chock. A wheel chock is included with
the vehicle tool kit (
page 632).
Open the fuel filler flap (page 509).
Remove protective cap1.
Screw release tool2 from vehicle tool
kit clockwise 2 to 3 rotations onto re-
lease cable.
Pull release tool2 in direction of
arrow3.
The electronic parking brake is re-
leased. The red indicator lamp 0
(USA only) or ! (Canada only) flash-
es. The message “Parking brake See
Oper. Manual” appears in the multi-
function display.
Unscrew release tool2 from release
cable.
Reattach protective cap1.
Store release tool2 in vehicle tool kit.
After the electronic parking brake has
been released, you can engage it again.
Press the electronic parking brake
handle (
page 384).
Warning!G
If you mechanically release the electronic
parking brake, the vehicle may start to move
on its own. Make sure that no one is in front
of or behind the vehicle. Otherwise, an acci-
dent could occur resulting in injury or fatali-
ty. Before releasing the electronic parking
brake, shift the automatic transmission to P
(
page 389) and secure your vehicle in
place using the chock from the vehicle tool
kit.
iIf the electronic parking brake is not re-
leased, pull the release tool again with more
force.
695 Index
B
Backup lamps
Replacing bulbs 642
Bar 545
BAS 66
Batteries, SmartKey
Checking battery condition 332
Replacing 639
Batteries, SmartKey with KEYLESS-GO*
Checking battery condition 332
Replacing 639
Batteries, vehicle 655
Charging 658
Discharged, Jump starting 660
Disconnecting 657
For electrical consumers 655
For starter 655
Message in display 608
Reconnecting 659
Removing 658
Bead 545
Beverage holder see Cup holder
Bluetooth
®
Settings (COMAND) 232
Brake assist system (BAS Plus) 67
Brake assist system (BAS) 66Brake fluid 511, 685, 687
Brake lamp bulbs 642
Brake lamp, high mounted 642
Brake pads
Message in display 598
Brake warning lamp 31
Brakes 500
Warning lamp 31, 567
Break-in period 498
Bulbs, replacing 641
Additional turn signals 642
Brake lamps 642
Fog lamps 642
Front lamps 642
High beam 642
High mounted brake lamp 642
License plate lamps 642
Low beam 642
Parking and standing lamps 642
Rear fog lamp 642
Turn signal lamps 642C
California retail buyers and lessees,
important notice for 15
Can holder see Cup holder
Capacities and
recommended fuel/lubricants 684
Carpets, Cleaning and care of 564
Catalytic converter 507
CD
Ejecting (COMAND) 113
Loading (COMAND) 111
Menu overview (COMAND) 114
Playback options (COMAND) 119
Selecting a medium (COMAND) 117
Selecting a track (COMAND) 117
CD (COMAND) 107
Central locking
Automatic 334
Locking/unlocking from inside 335
Central locking/unlocking switches 335
Certification label 674
Change of address or ownership 16
698 Index
Distance warning lamp 31, 572
Driving hints 426
Increasing distance 425
Increasing time interval 425
Intermittent signal tone 414
Lever 417
Menu 416
Messages in display 583
Sensor cover 558
Setting a higher speed 421
Setting a slower speed 422
Setting following distance 425
Setting the current speed 421
Setting to last stored speed
(“Resume” function) 423
Warning and indicator lamps 414
Document holder 476Door
Control panel 38
Entry lamps 371
Inside door handle 333
Locking 324, 330
Locking with Tele Aid 489
Messages in display 585, 612
Opening from inside vehicle 333
Opening from outside 324, 330
Power closing assist 334
Unlocking 324, 329
Unlocking with Tele Aid 489
DOT 545
Downhill driving
Cruise control 407
Drink holder see Cup holder
Drinking and driving 499
Drive-dynamic multicontour seats*
Adjusting (COMAND) 252
Drive-dynamic function
(COMAND) 255
Multicontour adjustments
(COMAND) 252Driving 378
Abroad 506
Hydroplaning 503
In winter 504
Instructions 378, 499
Problems 383
Safety systems 64
Through standing water 505
With DISTRONIC Plus* 426
Driving maneuver (COMAND) 196
Driving off 501
Driving safety systems
ABS 64
Adaptive Brake Lights
(CL 600 and USA only) 66
BAS 66
BAS Plus 67
EBP 69
Electronic traction system 71
ESP
®69
700 Index
Emergency operations
Locking the vehicle 635
Mechanically releasing
the electronic parking brake 637
Releasing from inside 464
Remote door lock 489
Remote door unlock 489
Tilt/sliding sunroof 638
Unlocking the trunk 636
Unlocking the vehicle 635
Emergency Tensioning Device see ETD
Emergency, In case of
Battery, Jump starting 660
First aid kit 632
Flat tire 649
Fuses 667
Roadside Assistance 16
Roadside Assistance (Tele Aid) 485
Towing the vehicle 663
Emission control 507
Emission control information label 675
Emission control system warranties 14Engine
Belt layout 676
Cleaning 556
Compartment 512
Coolant 518, 685, 689
Malfunction indicator lamp 31, 570
Number 674, 675
Oil 516, 684, 686
Oils 513
Residual heat and ventilation 460
Starting 378
Technical data 677
Turning off 387
Engine coolant see Coolant
Engine oil 513
Adding 516
Additives 686
Checking level 513
Checking level (Dipstick) 516
Checking level (Instrument
cluster control system) 514
Consumption 513Dipstick 516
Filler neck 516, 517
Messages in display 515, 623
Recommended engine oils
and oil filters 684
ESP
®69
Messages in display 594, 605
Warning lamp 31, 567, 572
ETD 55
Safety guidelines 44
Exterior lighting
Delayed switch-off (COMAND) 235
Locator lighting (COMAND) 236
Exterior rear view mirrors
Adjusting 353
Auto-dimming
on the driver’s side 355
Fold in automatically when locking
(COMAND) 237
Lower mirror when reversing
(COMAND) 237
Power folding 354
701 Index
F
Favorite button 231
First aid kit 632
Flat tire 649
Jacking up the vehicle 650
Lowering the vehicle 654
Mounting the Minispare wheel 649
Preparing the vehicle 649
Flexible Service System see FSS
Floormats* 478
Fluids
Automatic transmission fluid 684
Brake fluid 685, 687
Capacities 684
Engine coolant 518, 685, 689
Engine oil 516, 684, 686
Power steering fluid 685
Windshield washer and
headlamp cleaning system 685
Windshield washer system and
headlamp cleaning system 691
Fog lamps
Messages in display 619
Replacing bulbs 642
Front air bags 45Front lamps see headlamps
Front passenger front air bag 45
Messages in display 585
Front passenger front
air bag off indicator lamp 50, 578
FSS (Canada vehicles) 551
Fuel 510, 685, 687
Additives 688
Capacity, Fuel tank 685
Filling the tank 509
Fuel filler flap and cap 509
Fuel reserve warning lamp 31, 573
Gauge 31
Premium
unleaded gasoline 510, 685, 687
Requirements, Octane rating 688
Fuel cap
Message in display 613
Fuel consumption statistics
After start 260
Since last reset 260
Fuel filler flap 509
Locking/Unlocking 509Fuel tank
Capacity 685
Filler flap 509
Fuels, coolants, lubricants etc.
Capacities 684
Fuses 667
Fuse box
in engine compartment 668
Fuse box
in passenger compartment 669
Fuse boxes
in dashboard 669
Fuse chart
(vehicle tool kit) 632
Fuse extractor
(vehicle tool kit) 632
Replacing 667
Spare fuses
(vehicle tool kit) 632
703 Index
I
Identification labels 674
Identification Number, Vehicle (VIN) 675
Ignition 336, 338
Switching on 336
Switching on, KEYLESS-GO* 338
Immobilizer 77
Indicator lamps see
Lamps, indicator and warning
Individualization
Voice Control 320
Infant and child restraint systems
see Children in the vehicle
Infrared reflecting windshield 496
Inside door handle 333
Instrument cluster 30, 402
Coolant temperature gauge 31, 403
Fuel gauge 31
Illumination 402, 448
Lamps 566
Multifunction display 256
Outside temperature indicator 404
Selecting the language
(COMAND) 231Interior lighting 369
Activating automatic control 370
Ambient lighting (COMAND) 240
Deactivating automatic control 370
Delayed switch-off (COMAND) 241
Reading lamps in the front 370
Interior rear view mirror
Adjusting 353
Auto-dimming 355
Interior storage spaces see
Storage compartments
J
Jack 633, 650
Jacking up the vehicle 650
Jump starting 660K
Key, Mechanical 635
Loss of 332
Key, SmartKey 322
Battery check lamp 322, 325
Factory setting 324
Global locking and unlocking 324
Lock button 322
Locking and unlocking 322
Loss of 332
Messages in display 615
Opening button for trunk 322
Panic button 63
Remote control 322
Restoring to factory setting 325
Selective setting 325
Starting the engine 379
Switching on ignition with 336
Turning off engine 387
Unlock button 322
704 Index
Key, SmartKey with KEYLESS-GO* 326
Battery check lamp 326, 330
Factory setting 329
Global locking and unlocking 330
Important notes
on using KEYLESS-GO* 328
Lock button 326
Locking and unlocking 326
Locking using the lock button
on door or on trunk lid 331
Loss of 332
Messages in display 614
Opening button for trunk 326
Panic button 63
Remote control 326
Restoring to factory setting 331
Selective setting 330
Starting the engine 379
Switching on ignition with 338
Turning off engine 388
Unlock button 326
Kickdown 396
Kilopascal 545
Knee bag 46L
Labels 674
Certification 674
Emission control information 675
Tire and Loading Information 524
Vacuum line routing diagram 675
Lamp bulbs, exterior 641
Lamps, exterior
Front 642
Light sensor 617
Rear 642
Lamps, indicator and warning
ABS 31, 64, 566
Air bag Off 46
Battery check lamp (SmartKey
with KEYLESS-GO*) 330
Battery check lamp (SmartKey) 325
Brake warning lamp 31
Brakes 567
Combination low tire pressure*
malfunction telltale 31, 576
Distance warning lamp* 31, 572
DISTRONIC Plus* 31, 414, 572
Electronic parking brake 31, 568
Engine diagnostics 31, 570
Engine malfunction 31, 570ESP®31, 567, 572
Front passenger front
air bag off 50, 578
Fuel reserve 573
High beam headlamp 31
Maintenance service indicator 551
Park Assist* 31
Parktronic* 31
Seat belt telltale 31, 573
SRS 31, 575
TPMS* malfunction telltale 31, 576
Turn signals 31
Language (COMAND) 231
LATCH-type child seat anchors
see Children in the vehicle
Lever
For automatic transmission
(gear selector lever) 389
For cruise control 406
For DISTRONIC Plus* 417
License plate lamps
Messages in display 619
Replacing bulbs 642
Light alloy wheels, Cleaning 563