Qualified specialist workshop........... 28
R
RACE START
Important safety notes .................. 166
RACE START (Mercedes-AMG
vehicles)............................................. 166
RACE TIMER (on-board computer,
Mercedes-AMG vehicles).................. 203
Radio
Selecting a station .........................195
see Digital Operator's Manual
Radio mode
see also Digital Operator's Man-
ual ..................................................243
Radio-wave reception/transmis-
sion in the vehicle
Declaration of conformity ................ 27
REACH Regulation............................... 28
Reading lamp..................................... 112
Rear fog lamp
Display message ............................ 217
Rear lamps
see Lights
Rear view camera
Cleaning instructions ..................... 275
Display in the multimedia system .. 180
Function/notes .............................179
Switching on/off ........................... 180
Rear window defroster
General notes ................................ 121
Problem (malfunction) ................... 121
Switching on/off ........................... 121
Rear-view mirror
Dipping (automatic) ....................... 106
Refrigerant (air-conditioning sys-
tem)
Important safety notes .................. 326
Refueling
Fuel gauge ....................................... 33
Important safety notes .................. 144
Refueling process .......................... 145
see Fuel
Remote control
Programming (garage door
opener) .......................................... 260
Replacing bulbs
General notes ................................ 113
Reporting safety defects.................... 29
Rescue card......................................... 29
Reserve (fuel tank)
see Fuel
Reserve fuel
Display message ............................ 221
Warning lamp ................................. 239
Residual heat (climate control)........122
Restraint system
Display message ............................ 214
Introduction ..................................... 40
Warning lamp ................................. 238
Warning lamp (function) ................... 41
Reverse gear (selector lever)........... 136
Reversing feature
Side windows ................................... 87
Trunk lid ...........................................82
Reversing lamps (display mes-
sage)................................................... 217
Roadside Assistance (breakdown).... 26
Roll bar
Display message............................ 213
Operation ......................................... 52
Roller sunblind.................................... 94
Roof
Display message ............................ 230
Important safety notes .................... 90
Opening/closing (with roof
switch) ............................................. 91
Opening/closing (with SmartKey) .... 92
Overview .......................................... 90
Problem (malfunction) ..................... 95
Relocking ......................................... 92
Roof switch.......................................... 91
Route guidance
see also Digital Operator's Man-
ual .................................................. 243
Route guidance active...................... 194
S
Safety
Children in the vehicle ..................... 57
see Occupant safety
Safety system
see Driving safety systems
16Index
SmartKey
Important safety notes
GWARNING
If children are left unsupervised in the vehi-
cle, they could:
Roperate the vehicle's equipment
Additionally, children could set the vehicle in
motion if, for example, they:
Rrelease the parking brake
Rshift the automatic transmission out of
park position ]
Rstart the engine
There is a risk of an accident and injury.
Never leave children or animals unattended
in the vehicle.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. This
also applies for the Digital Vehicle Key if the
"Digital Vehicle Key" function is activated via
Mercedes me connect.
GWARNING
If you attach heavy or large objects to the
SmartKey, the SmartKey could be uninten-
tionally turned in the ignition lock. This
could cause the engine to be switched off.
There is a risk of an accident.
Do not attach any heavy or large objects to
the SmartKey. Remove any bulky key rings
before inserting the SmartKey into the igni-
tion lock.
!Keep the SmartKey away from strong mag-netic fields. Otherwise, the remote controlfunction could be affected.
Strong magnetic fields can occur in thevicinity of powerful electrical installations.
Do not keep the SmartKey:
Rwith electronic devices, e.g. a mobile phoneor another SmartKey
Rwith metallic objects, e.g. coins or metal foil
Rinside metallic objects, e.g. a metal case
This can affect the functionality of theSmartKey.
SmartKey functions
C 7Locks the vehicle
D TOpens/closes the trunk lid
Key is in the vehicle. This occurs, for example,when starting the engine.
To start the vehicle without actively using theSmartKey:
Rthe Start/Stop button must be inserted inthe ignition lock.
Rthe SmartKey must be in the vehicle.
Rthe vehicle must not be locked with theSmartKey or KEYLESS-GO (Ypage 74).
Do not keep the SmartKey:
Rwith electronic devices, e.g. a mobile phoneor another SmartKey.
Rwith metallic objects, e.g. coins or metalfoil.
Rinside metallic objects, e.g. a metal case.
This can impair the functionality of the KEY-LESS-GO key.
If you lock the vehicle with the SmartKey'sremote control or with KEYLESS-GO, after ashort time:
Ryou will not be able to switch on the ignitionwith the Start/Stop button.
Ryou will not be able to start the engine withthe Start/Stop button until the vehicle isunlocked again.
The engine can be switched off while the vehi-cle is in motion by pressing and holding theStart/Stop button for three seconds. Thisfunction operates independently of the ECOstart/stop automatic engine switch-off func-tion.
Key positions with KEYLESS-GO
CStart/Stop button
DIgnition lock
As soon as the ignition is switched on, all theindicator lamps in the instrument cluster lightup. Further information on situations where anindicator lamp either fails to go out after start-
ing the engine or lights up while driving(Ypage 235).
If Start/Stop button Chas not yet beenpressed, this corresponds to the key beingremoved from the ignition.
XTo switch on the power supply:pressStart/Stop button Conce.The power supply is switched on. You cannow activate the windshield wipers, forexample.
The power supply is switched off again if:
Rthe driver's door is opened and
Ryou press Start/Stop button Ctwicewhen in this position
XTo switch on the ignition:press Start/Stop button Ctwice.The ignition is switched on.
If you press Start/Stop button Concewhen in this position, the ignition isswitched off again.
Removing the Start/Stop button
You can remove the Start/Stop button fromthe ignition lock and start the vehicle as nor-mal using the SmartKey.
XRemove Start/Stop button Cfrom ignitionlock D.
You do not have to remove the Start/Stop but-ton from the ignition lock when you leave thevehicle. You should, however, always take theSmartKey with you when leaving the vehicle.As long as the SmartKey is in the vehicle:
Rthe vehicle can be started using the Start/Stop button
Rthe electrically powered equipment can beoperated
Starting the engine
Important safety notes
GWARNING
If children are left unsupervised in the vehi-
cle, they could:
Roperate the vehicle's equipment
Driving127
Driving and parking
Z