immobilizer MERCEDES-BENZ GLC-Class 2016 X253 Owner's Manual

Dashboard fuse box ....................... 371
Fuse box in the cargo compart-
ment .............................................. 372
Fuse box in the engine compart-
ment .............................................. 371
Fuse box in the front-passenger
footwell .......................................... 371
Important safety notes .................. 370
G
Garage door openerClearing the memory ..................... 335
General notes ................................ 332
Important safety notes .................. 332
Opening/closing the garage doo r..3 35
Programming (button in the rear-
view mirror) ................................... 333
Synchronizing the rolling code ....... 333
Gasoline ............................................. 410
Genuine parts ...................................... 22
Glove box ...........................................3 07
H
HANDS-FREE ACCESS.......................... 94
Hazard warning lamps ......................127
Head restraints
Adjusting (electrically) ................... 112
Adjusting (manually) ......................1 11
Adjusting (rear) .............................. 112
Adjusting the fore-and-aft posi-
tion manually ................................. 111
General notes ................................ 111
Important safety notes .................. 111
Installing/removing (rear) .............. 112
Head-up display
Adjusting the brightness ................ 255
Displays and operating .................. 242
Function/notes .............................2 41
Important safety notes .................. 241
Selecting displays .......................... 254
Setting the position ....................... 254
Storing settings (memory func-
tion) ............................................... 122
Headlamps
Cleaning system (notes) ................ 413
Fogging up ..................................... 128 see Automatic headlamp mode
Heating
see Climate control
High beam flasher .............................1 26
High-beam headlamps
Adaptive Highbeam Assist ............. 127
Changing bulbs .............................. 131
Display message ............................ 274
Switching on/off ........................... 126
Hill start assist .................................. 157
HOLD function
Activating ....................................... 195
Activation conditions ..................... 194
Deactivating ................................... 195
Display message ............................ 282
Function/notes .............................1 94
General notes ................................ 194
Hood
Closing ...........................................3 39
Display message ............................ 288
Important safety notes .................. 338
Opening ......................................... 338
Horn ...................................................... 32
HUD
see Head-up display
Hydroplaning ..................................... 180
I
Ignition lock
see Key positions
Immobilizer .......................................... 78
Indicator and warning lamps
COLLISION PREVENTION ASSIST
PLUS .............................................. 301
Indicator lamps
see Warning and indicator lamps
Insect protection on the radiator .... 339
Instrument cluster
Overview .......................................... 33
Warning and indicator lamps ........... 34
Instrument cluster lighting .............. 238
Interior lighting
Control ...........................................1 29
Emergency lighting ........................ 130
Overview ........................................ 129
Reading lamp ................................. 129
Index11

Driving system ............................... 198
Function/notes ............................. 198
Important safety notes .................. 198
Problem (malfunction) ................... 201
Range of the sensors ..................... 198
Warning display ............................. 199
PASSENGER AIR BAG
Display message ............................ 271
Indicator lamps ................................ 43
Problems (malfunction) .................. 271
Perfume atomizer
Operating ....................................... 147
Perfume vial ................................... 147
Problem (malfunction) ................... 149
Pets in the vehicle ............................... 66
Plastic trim (cleaning instruc-
tions) .................................................. 350
Power washers .................................. 345
Power windows
see Side windows
PRE-SAFE
®(anticipatory occupant
protection)
Display message ............................ 265
Operation ......................................... 59
PRE-SAFE
®Brake
Activating/deactivating ................. 253
Display message ............................ 266
Function/notes ................................ 75
Important safety notes .................... 76
Warning lamp ................................. 301
PRE-SAFE
®PLUS (anticipatory
occupant protection PLUS)
Operation ......................................... 59
Protection against theft
ATA (Anti-Theft Alarm system) ......... 78
Immobilizer ...................................... 78
Protection of the environment
General notes .................................. 22
Pulling away
Automatic transmission ................. 157
General notes ................................ 157
Hill start assist ............................... 157
Trailer ............................................ 157
Q
QR codeMercedes-Benz Guide App ................. 1 Rescue card ..................................... 28
Qualified specialist workshop ........... 27
R
Radiator cover................................... 339
Radio
Selecting a station ......................... 248
Radio-wave reception/transmis-
sion in the vehicle
Declaration of conformity ................ 26
Reading lamp ..................................... 129
Rear compartment
Setting the air vents ...................... 150
Rear fog lamp
Display message ............................ 274
Switching on/off ........................... 125
Rear lamps
see Lights
Rear seat
Adjusting the angle of the backr-
ests ................................................ 312
Rear seats
Display message ............................ 289
Rear view camera
Cleaning instructions ..................... 348
Displays in the Audio display ......... 207
Displays in the COMAND display ... 207
Function/notes ............................. 206
Switching on/off ........................... 207
Rear window defroster
Problem (malfunction) ................... 147
Switching on/off ........................... 146
Rear window wiper
Replacing the wiper blade .............. 137
Switching on/off ........................... 135
Rear-view mirror
Anti-glare (manual) ........................ 118
Dipping (automatic) ....................... 120
Reflective safety jacket .................... 354
Refrigerant (air-conditioning sys-
tem)
Important safety notes .................. 414
Refueling
Fuel gauge ....................................... 33
Important safety notes .................. 169
Refueling process .......................... 170
see Fuel
Index15

You can prevent the intervention of the PRE-
SAFE®Brake at any time by:
Rdepressing the accelerator pedal further.
Ractivating kickdown.
Rreleasing the brake pedal.
The braking action of PRE-SAFE
®Brake is
ended automatically if:
Ryou maneuver to avoid the obstacle.
Rthere is no longer a risk of collision.
Rthere is no longer an obstacle detected in
front of your vehicle.
STEER CONTROL
General information
STEER CONTROL helps you by transmitting a noticeable steering force to the steering
wheel in the direction required for vehicle
stabilization.
This steering assistance is provided in partic-
ular if:
Rboth right wheels or both left wheels are on
a wet or slippery road surface when you
brake.
Rthe vehicle starts to skid.
Important safety notes
iObserve the "Important safety notes" sec-
tion (
Ypage 67).
No steering support is provided from STEER
CONTROL, if:
RESP®is malfunctioning.
Rthe lighting is faulty.
If ESP
®is malfunctioning, you will be assisted
further by the electrical power steering.
Protection against theft
Immobilizer
The immobilizer prevents your vehicle from
being started without the correct SmartKey.
XTo activate with the SmartKey: remove
the SmartKey from the ignition lock.
XTo activate with KEYLESS-GO start-
function or KEYLESS-GO: switch the igni-
tion off and open the driver's door.
XTo deactivate: switch on the ignition.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Any-
one can start the engine if a valid SmartKey
has been left inside the vehicle.
iThe immobilizer is always deactivated
when you start the engine.
In the event that the engine cannot be star-
ted (yet the vehicle's battery is charged),
the system is not operational. Contact an
authorized Mercedes-Benz Center or call
1-800-FOR-MERCedes (in the USA) or
1-800-387-0100 (in Canada).
ATA (anti-theft alarm system)
XTo arm: lock the vehicle with the SmartKey
or KEYLESS-GO.
Indicator lamp :flashes. The alarm sys-
tem is armed after approximately
10 seconds.
XTo disarm: unlock the vehicle with the
SmartKey or KEYLESS-GO.
or
XInsert the SmartKey into the ignition lock.
78Protection against theft
Safety

GWARNING
If you leave children unsupervised in the vehi-
cle, they could set it in motion by, for example:
Rrelease the parking brake.
Rshift the automatic transmission out of the
parking position P.
Rstart the engine.
In addition, they may operate vehicle equip-
ment and become trapped. There is a risk of
an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
!Always secure the vehicle correctly
against rolling away. Otherwise, the vehicle
or its drivetrain could be damaged.
To ensure that the vehicle is secured against
rolling away unintentionally:
Rthe electric parking brake must be applied.
Rthe transmission must be in position Pand
the SmartKey must be removed from the
ignition lock.
Rthe front wheels must be turned towards
the curb on steep uphill or downhill gradi-
ents.
Rthe empty vehicle must be secured at the
front axle with a wheel chock or similar, for
example, on uphill or downhill gradients.
Ra laden vehicle must also be secured at the
rear axle with a wheel chock or similar, for
example, on uphill or downhill gradients.
Switching off the engine
Important safety notes
GWARNING
The automatic transmission switches to neu-
tral position Nwhen you switch off the engine.
The vehicle may roll away. There is a risk of an
accident.
After switching off the engine, always switch
to parking position P. Prevent the parked vehi-
cle from rolling away by applying the parking
brake.
Vehicles with automatic transmission
XApply the electric parking brake.
XShift the transmission to position P.
XWith the SmartKey:turn the SmartKey to
position 0in the ignition lock and remove it.
The immobilizer is activated.
XWith the Start/Stop button: press the
Start/Stop button (
Ypage 153).
The engine stops and all the indicator
lamps in the instrument cluster go out.
When the driver's door is closed, this cor-
responds to SmartKey position 1. When the
driver's door is open, this corresponds to
SmartKey position 0: "SmartKey removed".
If you switch the engine off with the trans-
mission in position Ror D, the automatic
transmission shifts to Nautomatically.
With the SmartKey: if you then open the
driver's door or the front-passenger door or
remove the SmartKey from the ignition, the
automatic transmission shifts to Pautomati-
cally.
With the Start/Stop button: if you then
open the driver's door or the front-passenger
door, the automatic transmission shifts to P
automatically.
If you want the automatic transmission to
remain in neutral N, e.g. when having the
vehicle cleaned in an automatic car wash with
a towing system:
Using the SmartKey:
XSwitch on the ignition.
XDepress the brake pedal and keep it
depressed.
XShift to neutral N.
XRelease the brake pedal.
XRelease the electric parking brake.
XSwitch off the ignition and leave the Smart-
Key in the ignition lock.
Parking173
Driving and parking
Z