2020 MERCEDES-BENZ METRIS engine

X
When the sliding door is closed, open the
sliding door fully using the Å or Æ
sliding door button on the center console.
The sliding door is reset and operational.
X Close the sliding door if required. Problems with the sliding door
Problem
Possible causes/consequences and
M SolutionsThe electric sliding door
is locked in place. Unfavorable operating conditions, e.g. frost, ice or heavy soiling,
may obstruct the sliding door.
X Press and hold the sliding door button until the sliding door has
opened or closed.
The sliding door moves with increased force. Observe that, in
such circumstances, the blockage detection is less sensitive. To
stop the movement, release the sliding door button.
X Remove the cause of the blockage at the earliest opportunity. Tailgate
Important safety notes
G
DANGER
Combustion engines emit poisonous
exhaust gases such as carbon monoxide.
Exhaust gases can enter the vehicle interior
if the tailgate is open while the engine is
running, especially if the vehicle is in
motion. There is a risk of poisoning.
Always switch off the engine before opening
the tailgate. Never drive with the tailgate
open.
! The tailgate swings upwards and to the
rear when opened. Therefore, make sure
that there is sufficient clearance above and
behind the tailgate.
You will find details of the tailgate opening
dimensions under "Technical data"
(Y page
313). Opening and closing
X
To open: press button : on the handle.
X Raise the tailgate. X
To close: pull the tailgate firmly downwards
by strap ; and close it from outside. Tailgate
81
Opening and closing Z

Problems with the tailgate
The tailgate cannot be opened.
The voltage supply has been interrupted or the
battery charge is insufficient.
Consult a qualified specialist workshop which
has the necessary specialist knowledge and
tools to carry out the work required.
In an emergency, you can open the tailgate
using the release catch for service purposes.
X Pry off the cover on the lower part of the
tailgate with a suitable tool, e.g. the screw-
driver from the vehicle tool kit.
X Insert the screwdriver into the opening and
move the release lever until the tailgate
unlocks and opens.
X Swing the tailgate upwards. Rear-end doors
Important safety notes
G
DANGER
Combustion engines emit poisonous
exhaust gases, such as carbon monoxide.
Exhaust gases can enter the vehicle interior
if the rear-end door is open when the engine
is running, especially if the vehicle is in
motion. There is a risk of poisoning.
Always switch off the engine before opening
the rear-end door. Never drive with the rear-
end door open. G
WARNING
If you open a rear door, you could:
R endanger other people or road users
R be caught by oncoming traffic
This is particularly the case if you open the
rear door more than 90°. There is a risk of
an accident and injury.
Only open the rear doors when traffic condi-
tions permit. Always make sure that the rear
doors are properly locked. G
WARNING
If you open the rear-end doors 90°, the rear
lighting systems are no longer visible. The
vehicle will then be difficult for other road
users to see or will not be seen by them at
all, particularly if it is dark or visibility is
poor. There is a risk of an accident.
You should therefore ensure in this and simi-
lar situations that the vehicle is visible from
the rear in accordance with the relevant
national regulations, by using the warning
triangle, for instance.
! Make sure that there is sufficient clear-
ance when opening the rear doors. You
could otherwise damage the vehicle and
objects in close range of the rear doors.
You can lock the rear-end doors at an angle of
approx. 90° and, if necessary,
180° or 270°.
Always make sure that the open rear-end door
is correctly engaged in the detent. Opening and closing from the out-
side
Opening the right-hand side, rear-end
door X
Pull handle :.
X Swing the rear-end door to the side until it
engages.
The rear-end door can also be opened beyond
90 degrees (Y page
83).82
Rear-end doors
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

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

X
To install: hold the rear bench seat by the
lower edge of the seat cushion.
X Guide the rear bench seat from the front
down into front seat anchorages = and
allow it to engage.
X Make sure that release handles for front
seat anchorages ; are folded underneath
in the direction of the floor of the vehicle.
X Fold the rear bench seat back into the
upright position.
The rear seat legs of the rear bench seat have
engaged correctly if:
R the seat legs engage audibly
R indicator tabs ? on the seat legs are no
longer visible and have retracted fully into
the seat legs
If the rear seat legs of the rear bench seat
have not engaged correctly:
X Press the release handle for rear seat
anchorage : downwards until indicator
tabs ? have fully retracted into the rear
seat legs.
If the rear seat legs of the rear bench seat
have not engaged correctly again: X Fold the rear bench seat back again with
force so that the seat legs engage correctly. Head restraints
Important safety notes 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
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.
Adjust the head restraint so that: R the center of the head restraint supports the
back of the head at eye level and the head
restraint is engaged
R when your head is relaxed the back of your
head rests as close as possible to the head
restraint
Adjusting the head restraints Seats
93Seats, steering wheel and mirrors Z

Adjust the driver's seat, head restraint,
steering wheel and mirror and fasten your
seat belt before starting the engine.
G
WARNING
If the steering wheel is unlocked while the
vehicle is in motion, it could change position
unexpectedly. This could cause you to lose
control of the vehicle. There is a risk of an
accident.
Before starting off, make sure the steering
wheel is locked. Never unlock the steering
wheel while the vehicle is in motion. G
WARNING
Children could injure themselves if they
adjust the steering wheel. 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.
The steering wheel can still be adjusted if the
key has been removed. Adjusts the steering wheel
:
Steering column height
; Lever
X To adjust the steering wheel: pull lever ;
up and hold it.
The steering wheel is unlocked.
X Move the steering wheel to the desired posi-
tion.
X Let go of lever ;.
The steering wheel engages and is locked
again. Mirrors
Important safety notes
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
The exterior mirror on the front-passenger
side reduces the size of the image. Visible
objects are actually closer than they appear.
This means that you could misjudge the dis-
tance from road users traveling behind, e.g.
when changing lane. There is a risk of an
accident.
For this reason, always make sure of the
actual distance from the road users traveling
behind by glancing over your shoulder. Inside rearview mirror
X
Anti-glare mode: push anti-glare lever :
forwards or back. 96
MirrorsSeats, steering wheel and mirrors

Exterior mirrors
Adjusting manually X
Before starting off, manually adjust the exte-
rior mirrors in such a way that you can get a
good overview of road and traffic conditions.
Adjusting electrically X
Before pulling away, turn the key to position
1 or 2 in the ignition lock.
X Press the Z button for the left exterior
mirror or the \ button for the right exte-
rior mirror.
The indicator lamp for the button switches
on and the selected exterior mirror can be
adjusted.
The indicator lamp goes out again after
some time.
X If the indicator lamp for the Z or \
button lights up, press button 7 up or
down, to the right or left.
Adjust the exterior mirrors in such a way
that you have a good overview of traffic con-
ditions.
After the engine has been started, the exterior
mirrors are automatically heated if the rear
window defroster is switched on and the out-
side temperature is low.
Disengaged exterior mirrors If an exterior mirror has been pushed out of
position, proceed as follows:
X
Move the exterior mirror into the correct
position manually.
The mirror housing engages again and the
exterior mirrors can be adjusted again as
usual. Exterior mirror heating
i Vehicles without rear window
defroster: when the temperature is below
15 °C the mirror heating switches on auto-
matically after engine start and remains on.
i Vehicles with rear window heater: at
temperatures below
15 °C the mirror heater
switches on automatically for ten minutes
after engine start. In addition, mirror heating
can be switched on together with the rear
window defroster.
X To switch the mirror heating on man-
ually:
turn the key to position 2 in the igni-
tion lock.
X Press the ¤ button on the control panel.
If the indicator lamp in the ¤ button
lights up, both the mirror heating and the
rear window defroster are switched on.
The rear window defroster switches off auto-
matically after a few minutes. Memory function
General notes
With the memory function, you can store up to
three different seat settings, e.g. for three dif-
ferent people. The position of the seat, seat
backrest and head restraint are stored as a
single memory preset. Important safety notes
G
WARNING
If you use the memory function on the driv-
er's side while driving, you could lose con-
trol of the vehicle as a result of the adjust-
ments being made. There is a risk of an acci-
dent.
Only use the memory function on the driv-
er's side when the vehicle is stationary. G
WARNING
When the memory function adjusts the seat,
you and other vehicle occupants – particu-
larly children – could become trapped. There
is a risk of injury. Memory function
97
Seats, steering wheel and mirrors
Z

Low-beam headlamps
When the ignition is switched on and the light
switch is in the
L position, the parking
lamps and low-beam headlamps are switched
on even if the light sensor does not sense dark
ambient light. This is particularly useful when
there is fog or rain.
X To switch on: turn the key to position 2 in
the ignition lock or start the engine.
X Turn the light switch to the L position.
The L indicator lamp in the instrument
cluster lights up.
Daytime running lamps X
To switch on: turn the light switch to the
$ or à position.
Automatic headlamp mode G
WARNING
When the light switch is set to Ã, the
low-beam headlamps may not be switched
on automatically if there is fog, snow or
other causes of poor visibility due to the
weather conditions such as spray. There is a
risk of an accident.
In such situations, turn the light switch to
L.
Automatic headlamp mode is only a driving
aid. You are responsible for the vehicle lighting
at all times.
When the parking lamps and low-beam head-
lamps are switched on, the green T (park-
ing lamps) and L (low-beam headlamps)
indicator lamps in the instrument cluster light
up.
à is the preferred light switch setting. The
light setting is automatically selected accord-
ing to the brightness of the ambient light
(exception: poor visibility due to weather con-
ditions, such as fog, snow or spray):
R Key in position 1 in the ignition lock: the
parking lamps are switched on or off auto-
matically depending on the brightness of the
ambient light.
R When the engine is on: depending on the
ambient light, the daytime running lamps or the parking lamps and low-beam headlamps
are switched on/off automatically.
X To switch on automatic headlamp mode:
turn the light switch to
Ã.
Fog lamps/rear fog lamp You can only switch the fog lamps on or off
manually in vehicles which have fog lamps
installed.
Front fog lamps help you to see and be seen in
conditions of poor visibility due to fog or pre-
cipitation. They can only be operated together
with the parking lamps or with the low-beam
headlamps.
The rear fog lamp improves visibility of your
vehicle for the traffic behind in the event of
heavy fog. Observe the legal requirements of
the country you are currently in when using
the rear fog lamp.
X Turn the light switch to L or Ã.
X Turn the key to position 2 in the ignition
lock or start the engine.
X To switch the front fog lamps on/off:
press the N button.
When the green
N indicator lamp in the
instrument cluster goes on, the fog lamps
are switched on.
X To switch the rear fog lamp on/off: press
the R button.
When the yellow R indicator lamp in the
instrument cluster goes on, the rear fog
lamp is switched on.
Standing lamps !
If the battery charge is very low, the stand-
ing lamps will switch off automatically to
enable the next engine start. Always park
your vehicle in accordance with legal regula-
tions, in a secure and adequately lit loca-
tion. Avoid leaving the T parking lamps
on for several hours. If possible, switch on
the right X or left W standing lamp.
Switching on the standing lamps ensures that
the corresponding side of the vehicle is illumi-
nated. 100
Exterior lightingLights and windshield wipers