2020 MERCEDES-BENZ METRIS key

G
WARNING
If persons, particularly children are subjec-
ted to prolonged exposure to extreme heat
or cold, there is a risk of injury, possibly
even fatal. Never leave children unattended
in the vehicle.
You can open a locked door from the inside at
any time. For the sliding doors, the child-proof
locks must be deactivated. Centrally locking and unlocking the
vehicle from the inside
You can centrally lock and unlock the whole
vehicle from the inside using the central lock-
ing buttons on the driver's door. X
To unlock: press the % button.
X To lock: press the & button.
If the driver's or co-driver's door is open, the
open door is not locked.
All other doors and the tailgate/rear-end
doors are locked.
If a sliding door or the tailgate/rear-end door
is open, only the driver's and co-driver's door
are locked.
You cannot unlock the vehicle centrally from
the inside if the vehicle has been locked with
the key.
If the vehicle has been locked using the lock-
ing button for the central locking and a door is
opened from the inside, only the door that has
been opened is unlocked.
If the vehicle has previously been locked with
the key, opening a door from the inside will
trigger the anti-theft alarm system. Switch off
the alarm
(Y page 70). Automatic locking
X
To switch on: press and hold the % but-
ton until an acoustic tone sounds.
X To switch on : press and hold the & but-
ton until an acoustic tone sounds.
When the ignition is switched on, the vehicle
will lock automatically from a speed of approx-
imately

9 mph (15 km/h).
You could therefore be locked out if:
R the vehicle is being pushed.
R the vehicle is being towed.
R the vehicle is being tested on a roller dyna-
mometer.
If the vehicle has been automatically locked
and a front door is opened from the interior
while the vehicle is stationary, the vehicle
unlocks centrally. Driver's door and co-driver's door
Door handle (example driver's door)
You can open the driver's or co-driver's door
from the inside at any time, even if it is locked. 76
Driver's door and co-driver's door
Opening and closing

X
To open: pull back rocker switch :.
If the door is locked, locking knob = pops
up. The sliding door unlocks and opens.
X Push back the sliding door using door han-
dle ; until it engages.
X Check the sliding door detent.
X To close: press rocker switch : forwards.
The sliding door is released from its lock.
X Push the sliding door forwards using door
handle ; and close. Electric sliding door
Important safety notes
G
WARNING
When you open the sliding door, the sliding
door could hit other people as it moves
backwards. There is a risk of injury.
Only open the sliding door when traffic con-
ditions permit.
! Do not use the lower sliding door guide
(carriage) as a step. Otherwise, you could
damage the paneling and/or the sliding
door mechanism.
You must reset the electric sliding door if
there has been a malfunction or an interrup-
tion in the voltage supply
(Y page 80).
i Please note, if the child-proof locks have
been activated, you cannot open the sliding
door from the inside. You can only open a
sliding door from the inside if the child-proof
locks have not been activated. Further infor-
mation can be found under "Child-proof
locks for the sliding door" (Y page 66) and
"Opening/closing from the inside"
(Y page 79). Obstacle detection with reversing
feature
The sliding door is equipped with automatic
obstacle detection with reversing feature. If a
solid object blocks or restricts the sliding door
during the automatic closing process, the slid-
ing door opens again automatically. If the slid-
ing door is obstructed during the opening pro- cedure, it moves back a few centimeters in the
opposite direction and stops.
Automatic obstacle detection with reversing
feature is only an aid. It is not a substitute for
your attentiveness when closing the electrical
sliding door.
If an obstacle is detected, the display shows
the Left-hand Electric Sliding Door
Obstruction Detected message for exam-
ple, and five warning tones sound. G
WARNING
The reversing feature does not react:
R to soft, light and thin objects, e.g. small
fingers
R over the last 8 mm of the closing move-
ment
This means that the reversing feature can-
not prevent someone being trapped in these
situations. There is a risk of injury.
When closing, make sure that no-one has
any parts of the body within the closing
area.
If someone is trapped:
R press the 5 button on the SmartKey,
or
R pull the exterior door handle, or
R press the corresponding sliding door but-
ton in the center console, or
R press the button on the door frame, or
R pull the rocker switch on door handle Opening/closing from the outside78
Electric sliding door
Opening and closing

The sliding door is equipped with an active
retainer, which engages the door at the end
stop when opened.
If the vehicle is equipped with two electric slid-
ing doors; the 5 button on the SmartKey
can only be used to open or close one of the
two sliding doors
(Y page 80).
X To open: pull door handle : in the direc-
tion of the arrow.
or X Press the 5 button on the SmartKey for
longer than
0.5 seconds.
The sliding door unlocks, automatic opera-
tion is started and the sliding door opens. In
addition, you will hear two warning signals.
X To close: pull door handle : in the direc-
tion of the arrow.
or X Press the 5 button on the SmartKey for
longer than
0.5 seconds.
The sliding door is released from its lock
and automatic operation is started. The slid-
ing door closes.
If you press the 5 button on the Smart-
Key, you will hear two warning signals while
the doors close.
X To interrupt automatic operation: pull
door handle : again.
or
X Press the 5 button on the SmartKey
again.
i In unfavorable operating conditions, e.g.
frost, ice or heavy soiling, you can press and
hold the relevant sliding door button. The
electric sliding door moves with increased
force. Observe that, in such circumstances,
the obstacle detection is less sensitive. To
stop the movement, release the sliding door
button. Opening/closing from the inside
If the sliding door is unlocked, you can open
and close the sliding door from the inside with
these controls:
R the Å or Æ sliding door button in the
front on the lower center console
R the sliding door button on the B-pillar next
to the door sill
R the rocker switch on the door handle :
Sliding door button for the sliding door on
the left-hand side
; Sliding door button for the sliding door on
the right-hand side
= Rocker switch
? Locking knob
A Sliding door button in the door frame
You can only open a sliding door from the
inside if the child-proof locks have not been
activated. If the sliding door is locked, the slid-
ing door must first be unlocked.
The sliding door is equipped with an active
retainer, which engages the door at the end
stop when opened. X To open: briefly press the respective Å
or Æ sliding door button in the center
console.
or X Briefly press sliding door button A in the
door frame.
or X Briefly pull back rocker switch =.
If the sliding door is unlocked, automatic
operation is started and the sliding door
opens.
If you use the Å or Æ sliding door
button in the center console you will hear Electric sliding door
79Opening and closing Z

two warning signals during the opening pro-
cedure.
The indicator lamp in the
Å or Æ slid-
ing door button in the center console
flashes for the duration of automatic opera-
tion.
The indicator lamp in the Å or Æ slid-
ing door button in the center console is lit
whenever the respective sliding door is
open. Depending on the vehicle equipment,
the display can also show the Sliding
Door Open message.
X To close: briefly press the respective Å
or Æ sliding door button in the center
console.
or
X Briefly press sliding door button A in the
door frame.
or X Briefly press rocker switch = forward.
The sliding door is released from its lock
and automatic operation is started. The slid-
ing door closes.
If you use the Å or Æ sliding door
button in the center console you will hear
two warning signals during the closing pro-
cedure.
The indicator lamp in the respective Å or
Æ sliding door button in the center con-
sole goes out whenever the sliding door is
closed.
X To interrupt automatic operation: press
the respective Å or Æ sliding door
button in the center console again.
or X Press sliding door button in the door frame
A.
or X Briefly pull back rocker switch =.
i In unfavorable operating conditions, e.g.
frost, ice or heavy soiling, you can press and
hold the relevant sliding door button. The
electric sliding door moves with increased
force. Observe that, in such circumstances,
the obstacle detection is less sensitive. To
stop the movement, release the sliding door
button. Programing the key button for the
sliding door
If the vehicle is equipped with two electric slid-
ing doors, the 5 sliding door button on the
key can only be program for one of the two
sliding doors. You can then open or close the
selected sliding door with the 5 button on
the key. :
Sliding door button for sliding door on the
left-hand side
; Sliding door button for sliding door on the
right-hand side
X Make sure that the sliding door to be pro-
grammed is open.
X Turn the key to position 2 in the ignition
lock.
X Press and hold the Å or Æ sliding
door button in the center console for the
appropriate sliding door until the sliding
door is closed and four tones have sounded.
The display shows the Left-hand Elec‐
tric Sliding Door Key Programmed/
Right-hand Electric Sliding Door
Key Programmed or L. Slide Door Pro‐
grammed/ R. Slide Door Programmed
message. Resetting the sliding door
You must reset the sliding door if there has
been a malfunction or an interruption in the
voltage supply. X If the sliding door is open: close it by hand.
X Using the Å or Æ sliding door button
on the center console, open the sliding door
at least 15.8 in
(40 cm) and then close the
sliding door completely. 80
Electric sliding door
Opening and closing

Door retainer (example: right-hand side, rear-end
door)
X Open the rear-end door to about 45°.
X Pull and hold door retainer : in the direc-
tion of the arrow.
X Open the rear-end door more than 90°, so
that the door retainer cannot engage.
X Release the door retainer and open the door
to an angle of 180° or 270°.Magnetic door retainer
X With the rear-end door opened to an angle
of

270° push it against magnetic door
retainer = on the side wall.
When the magnet on rear-end door ; is in
contact with magnetic door retainer =, the
rear-end door is held in this position. Side windows
Important safety notes
G
WARNING
While opening the side windows, body parts
could become trapped between the side
window and the door frame as the side win-
dow moves. There is a risk of injury. Make sure that nobody touches the side
window during the opening procedure. If
somebody becomes trapped, release the
switch or pull the switch to close the side
window again. G
WARNING
While closing the side windows, body parts
in the closing area could become trapped.
There is a risk of injury.
When closing make sure that no parts of the
body are in the closing area. If somebody
becomes trapped, release the switch or
press the switch to open the side window
again. G
WARNING
If children operate the side windows they
could become trapped, particularly if they
are left unsupervised. There is a risk of
injury.
Activate the override feature for the rear
side windows. When leaving the vehicle,
always take the SmartKey with you and lock
the vehicle. Never leave children unsuper-
vised in the vehicle. G
WARNING
If persons, particularly children are subjec-
ted to prolonged exposure to extreme heat
or cold, there is a risk of injury, possibly
even fatal. Never leave children unattended
in the vehicle. Side window reversing feature
The front side windows are equipped with an
automatic reversing feature. If a solid object
blocks or restricts a side window from moving
upwards during the automatic closing process,
the side window opens again automatically.
During the manual closing process, the side
window only opens again automatically after
the corresponding switch is released. The
automatic reversing feature is only an aid and
is no substitute for your attention when clos-
ing a side window. 84
Side windows
Opening and closing

G
WARNING
The reversing feature does not react:
R to soft, light and thin objects, e.g. fingers
R while adjusting
This means that the reversing feature can-
not prevent someone being trapped in these
situations. There is a risk of injury.
Make sure that no body parts are in close
proximity during the closing procedure. If
someone becomes trapped, press the W
button to open the side window again. Opening and closing the side win-
dows
:
Power window, left
; Power window, right
The switches on the driver's door take prece-
dence.
X To open manually: press and hold the cor-
responding switch.
X To open fully: press the switch beyond the
point of resistance and release it.
Automatic operation is started.
X To close manually: pull the corresponding
switch and hold it.
X To close fully: pull the corresponding
switch beyond the point of resistance and
release it.
Automatic operation is started.
X To interrupt automatic operation: press/
pull the corresponding switch again.
You can continue to operate the side windows
after switching off the engine or removing the
SmartKey. This function remains active for about five minutes or until you open a front
door.
Convenience opening feature
You can ventilate the vehicle before you start
driving. To do this, the key is used to carry out
the following functions simultaneously: R to unlock the vehicle
R to open the side windows
The convenience opening feature can only be
operated using the key. The key must be close
to the driver's door handle.
X Convenience opening: point the tip of the
key at the driver's door handle.
X Press and hold the % button until the
side windows are in the desired position.
X To interrupt convenience opening:
release the
% button. Convenience closing feature
G
WARNING
When using the convenience closing feature,
parts of the body could be trapped in the
closing area when a side window is being
closed. There is a risk of injury.
Observe the complete closing procedure
when the convenience closing feature is
operating. Make sure that no body parts are
in close proximity during the closing proce-
dure.
When you lock the vehicle, you can close the
side windows at the same time.
The key must be close to the driver's door
handle.
Observe the notes on the automatic reversing
feature for the side windows
(Y page 84).
X Convenience closing feature: point the tip
of the key at the driver's door handle.
X Keep the & button pressed until all side
windows are fully closed.
X Make sure that all side windows are closed.
X To interrupt convenience closing feature:
release the
& button. Side windows
85
Opening and closing Z

Resetting the side windows
You must reset the side windows if there has
been a malfunction or an interruption in the
voltage supply.
X Turn the SmartKey to position 2 in the igni-
tion lock.
X Pull the two power window switches and
hold for approximately one second after
closing the side window.
X If the side windows remain closed after the
button has been released, they have been
reset correctly. If this is not the case, repeat
the steps above for the open window. Problems with the side windows
G
WARNING
If you close a side window again immediately after it has been blocked, the side window closes
with increased or maximum force. The reversing function is then not active. Parts of the body
could be trapped in the closing area in the process. This poses an increased risk of injury or
even fatal injury.
Make sure that no parts of the body are in the closing area. To stop the closing process,
release the switch or push the switch again to reopen the side window. Problem
Possible causes/consequences and
M SolutionsYou cannot completely
open or close a side
window. If there are no objects or leaves in the window guide that prevent
the sliding sunroof from closing, there has been a malfunction or
the on-board voltage has been interrupted.
X Reset the side window ( Y page 86).86
Side windows
Opening and closing

Useful information
This Operator's Manual describes all models
as well as standard and optional equipment of
your vehicle that were available at the time of
going to print. Country-specific variations are
possible. Note that your vehicle may not be
equipped with all of the described functions.
This also applies to systems and functions rel-
evant to safety.
Read the information on qualified specialist
workshops (Y page
32).Seats
Driver's and co-driver's seat
Important safety notes G
WARNING
Children could become trapped if they
adjust the seats, particularly when unatten-
ded. There is a risk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle.
Never leave children unsupervised in the
vehicle. G
WARNING
You could lose control of your vehicle if you
do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint,
steering wheel and mirror and fasten your
seat belt before starting the engine. G
WARNING
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on
the seat guide rail. There is a risk of injury.
When adjusting a seat, make sure that no
one has any body parts in the sweep of the
seat. G
WARNING
If the driver's seat is not engaged, it could
move unexpectedly while the vehicle is in
motion. This could cause you to lose control
of the vehicle. There is a risk of an accident.
Always make sure that the driver's seat is
engaged before starting the vehicle. G
WARNING
The front-air bags for could also injure the
vehicle occupants in the front If the front
seats are positioned too close to the dash-
board or steering wheel. This poses an
increased risk of injury or even fatal injury.
Always adjust the front seats so that they
are as far from the front air bags as possi-
ble. Also observe the notes on the correct
adjustment of the seats. G
WARNING
The seat belt does not offer the intended
level of protection if you have not moved the
backrest to an almost vertical position.
When braking or in the event of an accident,
you could slide underneath the seat belt and
sustain abdomen or neck injuries, for exam-
ple. This poses an increased risk of injury or
even fatal injury.
Adjust the seat properly before beginning
your journey. Always ensure that the back-
rest is in an almost vertical position and that
the shoulder section of your seat belt is
routed across the center of your shoulder. G
WARNING
If the head restraints are not installed or not
adjusted correctly, they cannot provide pro-
tection as intended. There is an increased
risk of injury in the head and neck area, e.g.
in the event of an accident or when braking.
Always drive with the head restraints instal-
led. Before driving off, make sure for every
vehicle occupant that the center of the head
restraint supports the back of the head at
about eye level. Seats
87
Seats, steering wheel and mirrors Z