Snow chains ...........................
.146
Speed rating ................ 141, 145, 151
Storing .................................. 138
Temperature ......................1 29, 139
Terminology ........................... .143
Tire Identification Number .. 142, 145
Tire Pressure Monitoring Sys-
tem (TPMS) .............................. 130
Traction ..................... 138, 145, 150
Tread ..................................... 145
Tread depth ....................... 137, 146
Treadwear indicators .......... 137, 146
Vehicle maximum load on ........... 146
Wheel change ........................... 195
Winter tires ......................1 46, 216
Top tether
see Children in the vehicle
Total load limit ........................... 145
Tow-away alarm .............................49
Towing ....................................... 203
Traction ................................ 145, 150
Transmission
Driving tips ............................. 81
Hill-start assist system .............. 81
Shifting procedure .................... 79
Transmission position indicator ...... 84
Transmitting power values .............. 213
Traveling abroad .......................... 153
Tread (tires) ................................ 145
Tread depth (tires) .................. 137, 146
Treadwear indicators (tires) ..... 137, 146
Turn signal lamps .........................1 80
Turn signals ................................. 66
Indicator lamps ....................... 172
Turning off the engine .................... 79U
Uniform Tire Quality Grading
Standards .............................. 138, 146
Unlocking the vehicle ..................... 52
Manually ................................. 177
USB socket .................................... 96 V
Vehicle Bulbs .................................... .179 Care ...................................... 153
Data acquisition ....................... 19
Identification Number (VIN) ....... 215
Locking/unlocking .................... 52
Modifications and alterations,
Operating safety ....................... 16
Towing ................................... 203
Unlocking/locking manually ....... 177
Vehicle Homepage
Data protection ........................ 121
Functions ............................... 121
General information .................1 20
Internet connection .................. 122
Personal area .......................... 121
Vehicle Identification Number
(VIN) .......................................... 215
Vehicle lighting ........................... .64
Vehicle loading
Instructions ............................ 108
Load limit .............................. 134
Roof rack ................................ 108
Terminology ............................ 143
Vehicle maximum load on the tire .... 146
Vehicle specification ................... 215
Vehicle washing
see Vehicle care W
Warning signals Brake pads .............................. 177
Door ...................................... 176
Lighting ................................. 176
Parking .................................. 177
Parking brake .......................... 176
Seat belt reminder system .... 168, 176
Warranty coverage ......................... 212
Warranty information ......................13
Washer fluid
Mixing ratio ........................... 218
Refilling ................................ 126
Wiping .................................... 70
Washer jet nozzles .........................187
Washing the vehicle ......................153
Wheel change ...............................1 95
Wheels, sizes ............................... 216
Wheels, Tires and .......................... 127 Index
11
Problem Possible causes/consequences and
M
MSolutions #!
The turn signal indi-
cator lamp(s) do(es)
not illuminate when
the ignition is
switched on and the
corresponding turn
signal is switched on
or the hazard warning
flasher is switched
on. The turn signal indicator lamp(s) has (have) failed.
X Have the turn signal indicator lamp(s) checked at an author-
ized electric drive smart center. #!
The turn signal indi-
cator lamp(s) flashes
at double frequency. One of the turn signals is malfunctioning.
X Replace the bulb as soon as possible (Y page 180).
or
X Have the turn signal checked at an authorized electric drive
smart center as soon as possible. Drive system
Problem Possible causes/consequences and
M MSolutions ?
The red coolant
temperature
warning lamp
illuminates. The coolant is too hot. The high-voltage battery and/or the
drive system are not cooled sufficiently.
X Stop the vehicle immediately in a safe location.
X Switch off the drive system.
X Engage the parking brake when leaving the vehicle.
X Contact Roadside Assistance or an authorized electric drive
smart center. 172
What to do if ...>> Practical hints.
Overview bulbs
Front lamps
Headlamp Type
:
Low‑beam headlamp
H7 (55 W)
; High‑beam headlamp
H7 (55 W)
= Parking and side marker lamp
WY 5 W
? Turn signal lamp
2357 A Front fog lamp* Type
:
Front fog lamp
H 11 Side turn signal lamp Type
:
Side turn signal lamp
WY 5 W 180
Replacing bulbs>> Practical hints.
* optional
Rear lamps
Tail lamp unit Type
:
Brake lamp/tail lamp/turn signal
lamp/side marker lamp
12 V 21/5 W
; Reflector
-
= Backup lamp
12 V 21 W License plate lamps Type
:
License plate lamps
C 5 W High‑mounted brake lamp Type
:
High‑mounted brake lamp
W 16 W Replacing bulbs
181>> Practical hints. Z
Replacing bulbs for front lamps
Before you start to replace a bulb for a
front lamp, do the following first:
X Turn the exterior lamp switch to position
$ (Ypage 64).
X Switch off the ignition.
X Open the service flap (Y page 123).Left headlamp, (right headlamp in reverse)
Parking and side marker lamp bulb X
Removing:
Driver’s side: Turn bulb socket ?toward
the outside.
Passenger side: Turn bulb socket ?
toward the outside.
X Pull bulb socket ?out of the headlamp
housing.
X Pull the bulb out of bulb socket ?.
X Installing: Insert the new bulb into bulb
socket ?.
X Insert bulb socket ?into the headlamp
housing.
X Driver side: Turn bulb socket ?toward
the inside.
Passenger side: Turn bulb socket ?
toward the inside.
Low‑beam headlamp bulb X
Removing: Take off low‑beam headlamp
cover =.
X Detach the electrical connector. X
Bend the retainer spring end down and
forward until it unclips. Fold the
retainer spring back.
X Pull the bulb out of the headlamp hous-
ing.
X Installing: Insert the new bulb into the
headlamp housing.
X Fold the retainer spring forward.
X Bend the retainer spring end forward
then up and back to clip in.
X Attach the electrical connector.
X Reinstall low‑beam headlamp cover =.
High‑beam headlamp bulb X
Removing: Take off high‑beam headlamp
cover ;.
X Detach the electrical connector.
X Tilt the bulb socket down and pull it out.
X Pull the bulb out of the bulb socket.
X Installing: Insert the new bulb into the
bulb socket.
X Fit the bulb so that the retaining lug of
the base plate is pointing up.
X Press the bulb into the bulb socket until
it is fully engaged.
X Attach the electrical connector.
X Reinstall high‑beam headlamp cover ;.
Front turn signal lamp bulb X
Removing: Turn bulb socket :counter-
clockwise by a quarter of turn and pull it out of the headlamp housing.
X Press gently onto the bulb and turn it
counterclockwise.
X Pull the bulb out of bulb socket :.
X Installing: Insert the new bulb into bulb
socket :.
X Press gently onto the bulb and turn it
clockwise.
X Insert bulb socket :into the headlamp
housing. 182
Replacing bulbs>> Practical hints.
The arrow on bulb socket
:must be in
line with the line on the headlamp hous- ing.
X Turn bulb socket :clockwise by a quar-
ter of turn.
Side turn signal lamp bulb X
Removing: Open the door on the corre-
sponding side. X
Press on retaining lug :in the direc-
tion of the arrow until the side turn sig- nal lamp housing disengages.
X Close the door.
X Use a suitable tool to loosen the side turn
signal lamp housing from the fender.
X Turn the bulb socket counterclockwise
and pull it out of the side turn signal
lamp housing.
X Pull the bulb out of the bulb socket.
X Installing: Insert the new bulb into the
bulb socket.
X Insert the bulb socket into the side turn
signal lamp housing and turn the bulb
socket clockwise.
X Fit the side turn signal lamp housing
onto the fender.
X Press gently onto the side turn signal
lamp housing.
The side turn signal lamp housing must
audibly engage. Replacing bulbs for rear lamps
Before you start to replace a bulb for a rear
lamp, do the following first:
X Turn exterior lamp switch to position
$ (Ypage 64).
X Switch off the ignition.
Tail lamp unit X
Removing:
Coupé: Open the upper tailgate.
X Open the lower tailgate.
X Cabriolet: Open the rear soft top
(Y page 72).
X Remove the side cover in the cargo com-
partment on the corresponding side.
X Fold the damping material forward, if
necessary. Left bulb carrier illustrated as example
:
Retaining tab
; Electrical connector
X Press retaining tab :in the center of
the bulb carrier upwards.
X Pull the bulb carrier out of the tail lamp
housing. Replacing bulbs
183>> Practical hints. Z
Left bulb carrier with bulb sockets (right bulb
carrier in reverse)
: Retaining tab
= Brake, tail, turn signal and side marker
lamp bulb
? Backup lamp bulb
X Depending on which bulb needs to be
replaced, press gently onto bulb =or?
and turn it counterclockwise.
X Pull the bulb out of the bulb socket.
X Installing: Insert the new bulb into the
bulb socket.
X Press gently onto the bulb and turn it
clockwise until it engages.
X Insert the bulb carrier into the tail lamp
housing.
X Press gently onto the bulb carrier.
Let retaining tab :engage.
X Fold the damping material backward, if
necessary.
X Reinstall the side cover in the cargo
compartment. High-mounted brake lamp X
Removing: Unscrew retaining screws :.
X Remove high-mounted brake lamp ?.
X Detach electrical connector ;from bulb
socket =.
X Turn the bulb counterclockwise and pull
it out of its socket.
X Installing: Install in the reverse order.
License plate lamps X
Use a suitable tool to loosen the corre-
sponding license plate lamp unit at
jacking point :.
X Carefully unclip the license plate lamp
unit. 184
Replacing bulbs>> Practical hints.