key MERCEDES-BENZ METRIS 2020 MY20 Operator’s Manual

!
Secure the tow rope or tow bar to the tow-
ing eye or trailer tow hitch only. Otherwise,
the vehicle could become damaged.
! Do not use the towing eye for recovery,
this could damage the vehicle. If in doubt,
recover the vehicle with a crane.
! Drive slowly and smoothly when towing.
Excessive tractive power could otherwise
damage the vehicles.
! Shift the automatic transmission to posi-
tion i and do not open the driver's or front
passenger's door during towing. The auto-
matic transmission may otherwise shift to
position j, which could damage the trans-
mission.
! You may tow the vehicle for a maximum
distance of 30 miles (50 kilometers). A tow-
ing speed of
30 mph (50 km/h) must not be
exceeded.
For towing distances over 30 miles
(50 kilometers), the entire vehicle must be
raised and transported.
When towing away, you must observe the legal
requirements for the country in which you are
currently driving.
It is better to have the vehicle transported
than to have it towed.
Have the vehicle transported on a transporter
or trailer if it has transmission damage.
The automatic transmission must be in posi-
tion i when the vehicle is being towed away.
If the automatic transmission cannot be shif-
ted to position i, have the vehicle transpor-
ted on a transporter or trailer.
The battery must be connected and charged.
Otherwise, you:
R cannot turn the key to position 2 in the
ignition lock.
R cannot shift the transmission to position i.
Before the vehicle is towed, switch off the
automatic locking feature (Y page 76). You could otherwise lock yourself out of the vehi-
cle when pushing or towing away the vehicle. Installing/removing the towing eye
The fixture for the front towing eye is located in
the bumper. The rear towing eye is located under the bumper.
If you tow or tow-start a vehicle, attach the
towing device to rear towing eye
;.
If your vehicle is equipped with a trailer tow
hitch, attach the towing device to the trailer
tow hitch (Y page

168).
Installing the front towing eye
X Take the towing eye and screwdriver from
the vehicle tool kit (Y page

270).
X Press the arrow on the cover : and remove
cover : from the opening.
You will see the fixture for the towing eye.
X Screw in the towing eye clockwise to the
stop.
X Insert the screwdriver into the towing eye
and tighten the towing eye.
X Stow the screwdriver in the vehicle tool kit
(Y page

270).
Removing the front towing eye
X Remove the screwdriver from the vehicle
tool kit

(Y page 270).
X Insert the screwdriver into the towing eye
and turn the screwdriver counter-clockwise. Tow-starting and towing away
275
Breakdown assistance Z

X
Unscrew the towing eye.
X Insert cover : with the lug at the top and
press it in at the bottom until it engages.
X Stow the towing eye and the screwdriver
with the vehicle tool kit (Y page
270).Towing with the rear axle raised
! Vehicles with automatic transmission must
not be towed with the rear axle raised. The
vehicle/trailer combination may otherwise
swerve or even roll over.
! The ignition must be switched off if the
vehicle is being towed with the front or rear
axle raised. Otherwise, ESP ®
may intervene
and damage the brake system.
X Switch on the hazard warning lamps
(Y page

101).
X Turn the front wheels to the straight-ahead
position.
X Release the parking brake.
X If necessary, turn the key in the ignition lock
to position g and remove the key from the
ignition lock.
X Take the key with you when leaving the vehi-
cle.
X Do not exceed the towing speed of 30 mph
(50 km/h

).
Please observe the important safety instruc-
tions when towing your vehicle with the rear
axle raised

(Y page 274). Towing the vehicle with both axles
on the ground
Important safety notes G
WARNING
You can no longer steer the vehicle if the
steering wheel lock has been engaged.
There is a risk of an accident.
Always switch off the ignition when towing
the vehicle with a tow cable or a tow bar.
! Do not exceed the towing speed of
30 mph

(50 km/h). You could otherwise
damage the transmission. Please observe the important safety notes
before towing your vehicle

(Y page 274).
Towing vehicles with automatic trans-
mission X
Turn the key to position 2 in the ignition
lock.
X Depress the brake pedal and keep it
depressed.
X Shift the automatic transmission to position
i.
X Leave the key in position 2 in the ignition
lock.
X Switch on the hazard warning lamps
(Y page

101).
X Release the parking brake.
X Release the brake pedal.
X Do not exceed the towing speed of 30 mph
(50 km/h

). Recovering a vehicle that is stuck
! When recovering a vehicle that has
become stuck, pull it as smoothly and
evenly as possible. If the tractive power is
too high, the vehicles could be damaged.
If the drive wheels get trapped on loose or
muddy ground, recover the vehicle with the
utmost care. This is especially the case if the
vehicle is laden.
Never attempt to recover a vehicle with a
trailer attached.
Pull out the vehicle backwards, if possible,
using the tracks it made when it became
stuck. Transporting the vehicle
! You may only secure the vehicle by the
wheels, not by parts of the vehicle such as
axle or steering components. Otherwise, the
vehicle could be damaged.
The towing eye or trailer tow hitch can be used
to pull the vehicle onto a trailer or transporter
if you wish to transport it. 276
Tow-starting and towing away
Breakdown assistance

X
Turn the key to position 2 in the ignition
lock.
X Shift the transmission to position i.
X Release the parking brake.
If the vehicle is loaded: X Shift the transmission to position j.
X Turn the key to position u in the ignition
lock and remove it.
X Make sure the parking brake is applied.
X Lash down the vehicle. Tow-starting (emergency engine
starting)
General notes !
Vehicles with automatic transmission must
not be tow-started. You could otherwise
damage the automatic transmission.
You can find information on jump-starting
under "Jump-starting“
(Y page 272).Electrical fuses
The fuse allocation chart and important safety
information on the fuses can be found in the
"Fuse allocation chart" supplement. Electrical fuses
277
Breakdown assistance Z

nificantly too low. The tire pressure monitor
is not malfunctioning.
R USA only: if the h warning lamp flashes
for
60 seconds and then remains lit con-
stantly, the tire pressure monitor is malfunc-
tioning.
The display also shows a message:
R on vehicles without steering wheel buttons
(Y page 207)
R on vehicles with steering wheel buttons
(Y page 224)
USA only: if the tire pressure monitor is mal-
functioning, it may be more than ten minutes
before the malfunction is shown. The h tire
pressure warning lamp flashes for 60 seconds
and then remains lit. When the malfunction
has been rectified, the h tire pressure
warning lamp goes out after a few minutes of
driving.
The tire pressure values indicated by the on-
board computer may differ from those meas-
ured at a gas station with a pressure gauge.
The tire pressures shown by the on-board
computer refer to those measured at sea level.
At high altitudes, the tire pressure values indi-
cated by a pressure gauge are higher than
those shown by the on-board computer. In this
case, do not reduce the tire pressures.
If radio transmitting equipment (e.g. wireless
headphones, two-way radios) is operated
inside the vehicle or in the vicinity of the vehi-
cle, this can interfere with the operation of the
tire pressure monitor.
Checking the tire pressure electroni-
cally on vehicles with steering wheel
buttons You can only check the tire pressure electroni-
cally on vehicles with steering wheel buttons.
Using the steering wheel buttons
X Turn the key to position 2 in the ignition
lock.
X Press the = or ; button to select the
Service menu.
X Use the 9 or : button to select
Tire Pressure.
X Press a to confirm.
The current tire pressure of each wheel is
shown in the display. If the vehicle has been parked for over
20 minutes
, the Tire pressure will be
displayed after driving a few minutes
message appears.
After a teach-in period, the tire pressure moni-
tor automatically detects new wheels or new
sensors. As long as a clear allocation of the
tire pressure value to the individual wheels is
not possible, the Tire Pressure Monitor
Active message is shown instead of the tire
pressure display. The tire pressures are
already being monitored.
Tire pressure monitor warning mes-
sages If the tire pressure monitor detects a loss in
pressure in one or more tires, a warning mes-
sage is shown in the display. The h warn-
ing lamp lights up.
Vehicles without steering wheel buttons
R If the Correct Tire Pressure message is
shown in the display, the tire pressure in at
least one tire is too low. The tire pressure
must be corrected at the next opportunity.
R If the Check Tire Pressure Soon mes-
sage is shown in the display, the tire pres-
sure in one or more tires has dropped signif-
icantly. The tires must be checked.
R If the Warning Tire Malfunc. message is
shown in the display, the tire pressure in
one or more tires has dropped suddenly.
The tires must be checked.
Vehicles with steering wheel buttons
R If the Adjust Tire Pressure message is
shown in the display, the tire pressure in at
least one tire is too low. The tire pressure
must be corrected at the next opportunity.
R If the Check Tires message is shown in the
display, the tire pressure in one or more
tires has dropped significantly. The tires
must be checked.
R If the Warning Tire Malfunction mes-
sage is shown in the display, the tire pres-
sure in one or more tires has dropped sud-
denly. The tires must be checked. Tire pressure
287
Wheels and tires Z

Always read and follow the instructions and
safety notes related to the display messages,
which can be found in the "Tires" section.
R for vehicles without steering wheel buttons
(Y page
207)
R for vehicles with steering wheel buttons
(Y page 224)
Vehicles with steering wheel buttons: if the
wheel positions on the vehicle are rotated, the
tire pressures may be displayed for the wrong
positions for a short time. This is rectified after
a few minutes of driving; the tire pressures are
then displayed for the correct positions.
Restarting the tire pressure monitor General notes
When you restart the tire pressure monitor, all
existing warning messages are deleted and the
warning lamp goes out. The monitor uses the
currently set tire pressures as the reference
values for monitoring. In most cases, the tire
pressure monitor will automatically detect the
new reference values after you have changed
the tire pressure. However, you can also set
reference values manually as described here.
The tire pressure monitor then monitors the
new tire pressure values.
Vehicles without steering wheel buttons
The vehicle must be stationary. Use the but-
tons in the instrument cluster.
X Turn the key to position 2 in the ignition
lock.
X Using È select the Tire Pressure menu.
X Press 3 to confirm.
The display shows the Monitoring Active
message.
X Press 3 to confirm.
The display shows the Tire Pressure OK?
message.
If you wish to confirm the restart: X Press the f button.
The display shows the distance menu.
After you have driven for a few minutes, the
system checks whether the current tire pressures are within the specified range.
The new tire pressure levels are then accep-
ted as reference values and monitored.
If you wish to cancel the restart:
X Press the g button.
The display shows the tire pressure menu.
The tire pressure values stored at the last
restart will continue to be monitored.
Vehicles with steering wheel buttons Using the steering wheel buttons
X Make sure that the tire pressure of all four
wheels is set correctly for the current oper-
ating conditions. When doing so, observe
the notes under "Tire pressure"
(Y page

282).
X Turn the key to position 2 in the ignition
lock.
X Press the = or ; button to select the
Service menu.
X Select the Tire Pressure submenu with
9 or :.
X Press a to confirm.
The display shows either the current tire
pressure for the individual tires, or the
Tire pressure will be displayed
after driving a few minutes message.
X Press the : button.
The display shows the Use Current Pres‐
sures as New Reference Values: mes-
sage.
If you wish to confirm the restart: X Press the a button.
The display shows the Tire Press. Moni‐
tor Restarted message.
After you have driven for a few minutes, the
system checks whether the current tire
pressures are within the specified range.
The new tire pressure levels are then accep-
ted as reference values and monitored.
If you wish to cancel the restart: X Press the % button.
The tire pressure values stored at the last
restart will continue to be monitored.288
Tire pressure
Wheels and tires