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ability to react to excessively high tempera-
tures may be affected or they may even suffer burn-like injuries. There is a risk of injury.
Therefore, do not switch the seat heating on
repeatedly.
For vehicles equipped with the Warmth Com-
fort package: the armrest in the door and the center console can also be heated when you
switch on the seat heating of one of the front
seats. This can be set with COMAND (see the
separate operating instructions).
The three red indicator lamps in the button
indicate the heating level you have selected.
The system automatically switches down
from level 3to level 2after approximately
eight minutes.
The system automatically switches down
from level 2to level 1after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
Vehicles with the Seat Heating Plus package: you can set the distribution of the heated
sections of the seat cushion and backrest on the front seats via COMAND (see the sepa-
rate operating instructions).
Vehicles with the Seat Heating Plus package: you can set the distribution of the heated
sections of the seat cushion and backrest via
COMAND (see the Digital Operator's Man-
ual).
Vehicles with Rear Seat Entertainment Sys-
tem and electric seat adjustment: you can set
the distribution of the heated sections of the rear seat cushion and backrest via the Rear
Seat Entertainment System (see the separate operating instructions). Front seats X
Turn the SmartKey to position 1or 2in the
ignition lock (Y page 189).
X To switch on: press button:repeatedly
until the desired heating level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
heating may switch off.
Rear seats X
Turn the SmartKey to position 1or 2in the
ignition lock (Y page 189).
X To switch on: press button:repeatedly
until the desired heating level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
heating may switch off. Seats
135Seats, steering wheel and mirrors Z
Page 385 of 502

Rear-compartment ashtray
The ashtray is located in the stowage com-
partment in the rear door. To use it, you can
place it in a cup holder or hold it in your hand.
X Remove the ashtray from retainer :in the
rear door.
X To open: fold lid;upwards.
X To close: press lid;downwards.
If you are not using the ashtray, close it and
place it in the retainer in the rear door. Cigarette lighter
Important safety notes G
WARNING
You can burn yourself if you touch the hot
heating element or the socket of the cigarette lighter.
In addition, flammable materials can ignite if:
R the hot cigarette lighter falls
R a child holds the hot cigarette lighter to
objects, for example
There is a risk of fire and injury.
Always hold the cigarette lighter by the knob.
Always make sure that the cigarette lighter is
out of reach of children. Never leave children unsupervised in the vehicle.
Your attention must always be focused on the traffic conditions. Only use the cigarette
lighter when road and traffic conditions per-
mit. Cigarette lighter in the front compart-
ment
X
Turn the SmartKey to position 2in the igni-
tion lock (Y page 189).
X To open: briefly press marking =.
Stowage compartment ;opens.
X Press in cigarette lighter :.
Cigarette lighter :will pop out automati-
cally when the heating element is red-hot.
X To close: press stowage compartment ;
closed until it locks.
Cigarette lighter in the rear compart-
ment Vehicles with a rear bench seat or electri-
cally adjustable rear seats Vehicles without a Rear Seat Entertainment
System
X Turn the SmartKey to position 2in the igni-
tion lock (Y page 189).
X To open: briefly press cover ;at the top.
The compartment opens. Features
383Stowage and features Z
Page 386 of 502

X
Press in cigarette lighter :.
Cigarette lighter :will pop out automati-
cally when the heating element is red-hot.
X To close: press cover ;closed until it
locks. Vehicles with a Rear Seat Entertainment Sys-
tem:
X Turn the SmartKey to position 2in the igni-
tion lock (Y page 189).
X To open: briefly press cover ;at the top.
The compartment opens.
X Press in cigarette lighter :.
Cigarette lighter :will pop out automati-
cally when the heating element is red-hot.
X To close: press cover ;closed until it
locks.
Vehicles with individual seats in the rear Example: Sedan X
Press lid :of the socket compartment
briefly.
The socket compartment opens.
X Press in cigarette lighter ;.
Cigarette lighter ;will pop out automati-
cally when the heating element is red-hot. 12 V sockets
General notes X
Turn the SmartKey to position 1in the igni-
tion lock (Y page 189).
The sockets can be used for accessories with a maximum draw of 180 W (15 A). Accesso-
ries include such items as chargers for mobile
phones.
If you use the sockets for long periods when
the engine is switched off, the battery may
discharge.
An emergency cut-out ensures that the on-
board voltage does not drop too low. If the on-
board voltage is too low, the power to the
sockets is automatically cut. This ensures
that there is sufficient power to start the
engine.
Socket in the front-compartment center console X
To open: briefly press marking =.
Stowage compartment :opens.
X Lift up the cover of socket ;.
X To close: press stowage compartment :
closed until it locks. 384
FeaturesStowage and features
Page 387 of 502

Socket in the rear compartment
Vehicles with a rear bench seat or electri-
cally adjustable rear seats Vehicles without a Rear Seat Entertainment
System
X To open: briefly press cover ;at the top.
The compartment opens.
X Lift up the cover of socket :.
X To close: press cover ;closed until it
locks. Vehicles with a Rear Seat Entertainment Sys-
tem:
X To open: briefly press cover ;at the top.
The compartment opens.
X Lift up the cover of socket :.
X To close: press cover ;closed until it
locks.
On vehicles with a 115 V socket, there is no
12 V socket in the center console in the rear
compartment. Vehicles with individual seats in the rear
Example: Sedan
X Press lid :of the socket compartment
briefly.
The socket compartment opens.
X Lift up the cover of socket ;.
Socket in the trunk X
Lift up the cover of socket :. 115 V socket
Important safety notes G
DANGER
When a suitable device is connected, the
115 V power socket will be carrying a high
voltage. You could receive an electric shock if the connector cable or the 115 V power
socket is pulled out of the trim or is damaged
or wet. There is a risk of fatal injury. Features
385Stowage and features
Z