2020 MERCEDES-BENZ METRIS lock

Display messages
Possible causes/consequences and
M SolutionsX
Visit a qualified specialist workshop immediately.
Further information on the Occupant Classification System (OCS)
can be found under "Occupant Classification System (OCS)"
(Y page
54). #
Check Brake Pad
Wear The brake pads/linings have reached their wear limit.
X Visit a qualified specialist workshop. $ (USA only)
J (Canada only)
Check Brake Fluid
Level There is insufficient brake fluid in the brake fluid reservoir.
G WARNING
Braking performance can be impaired.
There is a risk of an accident.
X Stop the vehicle immediately, paying attention to road and traffic
conditions. Do not continue driving under any circumstances.
X Secure the vehicle to prevent it from rolling away (Y page
138).
X Do not add brake fluid. Adding more will not remedy the malfunc-
tion.
X Consult a qualified specialist workshop. EBD, ABS, ESP Inop‐
erative
+ EBD is unavailable due to a malfunction. ABS, BAS, hill start assist
and ESP
®
as well as its driving safety systems, for example, are
therefore also unavailable.
ATTENTION ASSIST is deactivated and other driving systems could
be automatically deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock prematurely
if you brake hard, for example.
This causes steerability and braking to be greatly impaired. The
braking distance can increase in emergency braking situations.
If ESP ®
is not operational, ESP ®
will not stabilize the vehicle.
There is an increased risk of skidding and accidents.
X Switch the engine off, wait briefly and start the engine again.
X Check if the display message has disappeared and ESP ®
is opera-
tional.
X If the display message continues to be displayed:
R Drive on with care.
R Visit a qualified specialist workshop immediately. Display messages (vehicles without steering wheel buttons)
199On-board computer and displays Z

Display messages
Possible causes/consequences and
M Solutions÷
Inoperative
+ ESP
®
, BAS and hill start assist are unavailable due to a malfunction.
ATTENTION ASSIST is deactivated and other driving systems could
be automatically deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
will not stabilize the vehicle.
There is an increased risk of skidding and accidents.
X Switch the engine off, wait briefly and start the engine again.
X Check if the display message has disappeared and ESP ®
is opera-
tional.
X If the display message continues to be displayed:
R Drive on with care.
R Visit a qualified specialist workshop immediately. ÷
Currently Unavail.
+ ESP
®
, BAS and hill start assist are unavailable due to a malfunction.
The self-diagnosis function, for example, may not be complete.
ATTENTION ASSIST is deactivated and other driving systems could
be automatically deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you brake
hard, for example.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
will not stabilize the vehicle.
There is an increased risk of skidding and accidents.
X Drive on with care on a suitable stretch of road, making make
slight steering movements at a speed above
12 mph (20 km/h).
If the display message disappears, the functions mentioned
above are available again.
X Switch the engine off, wait briefly and start the engine again.
X Check if the display message has disappeared and ESP ®
is opera-
tional.
X If the display message continues to be displayed:
R Drive on with care.
R Visit a qualified specialist workshop immediately.200
Display messages (vehicles without steering wheel buttons)
On-board computer and displays

Display messages
Possible causes/consequences and
M SolutionsTire Press. Moni‐
tor Currently
Unavail. Due to a source of radio interference, no signals can be received
from the wheel sensors. The tire pressure monitor is temporarily
malfunctioning.
The tire pressure monitor restarts automatically as soon as the
problem has been solved. Tire Press. Moni‐
tor Inoperative The tire pressure monitor is malfunctioning and switched off. Either
the installed wheels do not have suitable tire pressure sensors or
the system is malfunctioning, e.g. because a tire pressure sensor is
faulty.
X Install wheels with suitable tire pressure sensors.
The tire pressure monitor is activated automatically after driving
for a few minutes.
or X Visit a qualified specialist workshop. Vehicle
Display messages
Possible causes/consequences and
M SolutionsÒ The tailgate is open.
X Close the tailgate. Ñ The rear door is open.
X Close the rear door(s). Ó An additional warning tone sounds. The hood is open.
G WARNING
The open hood may then block your view when the vehicle is in
motion.
There is a risk of an accident.
X Stop the vehicle immediately, paying attention to road and traffic
conditions.
X Secure the vehicle to prevent it from rolling away (Y page 138).
X Close the hood. 0 An additional warning tone sounds while the vehicle is in motion.
The display shows the open door(s).
X Close all doors. Ð
Pwr. Steering Mal‐
funct.
+ An additional warning tone sounds. The steering power assistance
could be malfunctioning. You may need to steer more forcefully.
X Carefully continue to a qualified specialist workshop and have the
steering checked immediately. 208
Display messages (vehicles without steering wheel buttons)
On-board computer and displays

X
Press : or 9 to scroll through the display messages.
All of the stored display messages are numbered in the message memory. The current mes-
sage number is displayed as a guide together with the number of stored display messages in
the bottom line of the display.
X Press % to exit the display messages. Safety systems
Display messages
Possible causes/consequences and
M Solutionsò ÷
Inoperative See
Operator's Manual ABS, BAS, hill start assist, and ESP
®
as well as its driving safety sys-
tems are unavailable due to a malfunction.
ATTENTION ASSIST is deactivated and other driving systems could
be automatically deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you brake
hard, for example.
This causes steerability and braking to be greatly impaired. The
braking distance can increase in emergency braking situations.
If ESP ®
is not operational, ESP ®
will not stabilize the vehicle.
There is an increased risk of skidding and accidents.
X Drive on with care.
X Visit a qualified specialist workshop immediately. ò ÷
Currently Unavail.
See Operator's Man‐
ual ABS, BAS, hill start assist, and ESP
®
as well as its driving safety sys-
tems are temporarily unavailable.
ATTENTION ASSIST is deactivated and other driving systems could
be automatically deactivated.
For example, the on-board voltage may be insufficient.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you brake
hard, for example.
This causes steerability and braking to be greatly impaired. The
braking distance can increase in emergency braking situations.
If ESP ®
is not operational, ESP ®
will not stabilize the vehicle.
There is an increased risk of skidding and accidents.
X Drive on with care and on a suitable stretch of road make slight
steering movements at a speed above 12 mph (20 km/h ).
If the display message continues to be displayed: X Drive on with care.
X Visit a qualified specialist workshop immediately.210
Display messages (vehicles with steering wheel buttons)
On-board computer and displays

Display messages
Possible causes/consequences and
M SolutionsIf these conditions are not met, the Occupant Classification System
(OCS) is malfunctioning.
X Install the child restraint system on a suitable rear seat.
or X Seat a person of smaller stature on a suitable rear seat.
X Visit a qualified specialist workshop immediately.
Further information on the Occupant Classification System (OCS)
can be found under "Occupant Classification System (OCS)"
(Y page
54). Check Brake Pad
Wear The brake pads/linings have reached their wear limit.
X Visit a qualified specialist workshop. $ (USA only)
J (Canada only)
Check Brake Fluid
Level There is insufficient brake fluid in the brake fluid reservoir.
G WARNING
Braking performance can be impaired.
There is a risk of an accident.
X Stop the vehicle immediately, paying attention to road and traffic
conditions. Do not continue driving under any circumstances.
X Secure the vehicle to prevent it from rolling away (Y page
138).
X Do not add brake fluid. Adding more will not remedy the malfunc-
tion.
X Consult a qualified specialist workshop immediately. T
ò÷
Inoperative See
Operator's Manual EBD is unavailable due to a malfunction. ABS, BAS, hill start assist
and ESP
®
as well as its driving safety systems, for example, are
therefore also unavailable.
ATTENTION ASSIST is deactivated and other driving systems could
be automatically deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock prematurely
if you brake hard, for example.
This causes steerability and braking to be greatly impaired. The
braking distance can increase in emergency braking situations.
If ESP ®
is not operational, ESP ®
will not stabilize the vehicle.
There is an increased risk of skidding and accidents.
X Drive on with care.
X Visit a qualified specialist workshop immediately. Display messages (vehicles with steering wheel buttons)
213
On-board computer and displays Z

Display messages
Possible causes/consequences and
M Solutions÷
Inoperative See
Operator's Manual ESP
®
, BAS and hill start assist are unavailable due to a malfunction.
ATTENTION ASSIST is deactivated and other driving systems could
be automatically deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
will not stabilize the vehicle.
There is an increased risk of skidding and accidents.
X Drive on with care.
X Visit a qualified specialist workshop immediately. ÷
Currently Unavail.
See Operator's Man‐
ual ESP
®
, BAS and hill start assist are unavailable due to a malfunction.
The self-diagnosis function, for example, may not be complete.
ATTENTION ASSIST is deactivated and other driving systems could
be automatically deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you brake
hard, for example.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
will not stabilize the vehicle.
There is an increased risk of skidding and accidents.
X Drive on with care on a suitable stretch of road, making slight
steering movements at a speed above 12 mph (20 km/h
).
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed: X Drive on with care.
X Visit a qualified specialist workshop immediately. F (USA
only) ! (Canada only)
Release Parking
Brake The red
F (USA only)/ ! (Canada only) indicator lamp in the
instrument cluster lights up and a warning tone also sounds.
You are driving with the parking brake applied or are making an
emergency stop using the parking brake.
X Release the parking brake (Y page
138).214
Display messages (vehicles with steering wheel buttons)
On-board computer and displays

Display messages
Possible causes/consequences and
M SolutionsService Required
Do Not Shift Gears
Visit Dealer An additional warning tone sounds. You cannot change the trans-
mission position due to a malfunction.
If transmission position h is selected:
X Consult a qualified specialist workshop without shifting transmis-
sion position h.
If transmission position k, i or j is selected:
X Notify a qualified specialist workshop. Reverse Not Poss.
Service Required The transmission is malfunctioning. Transmission position k can-
not be selected.
X Notify a qualified specialist workshop. Transmission Mal‐
function Stop The transmission is malfunctioning. The transmission shifts to neu-
tral i automatically.
X Stop the vehicle immediately, paying attention to road and traffic
conditions.
X Shift the transmission to position j.
X Notify a qualified specialist workshop. Only Shift to 'P'
when Vehicle is
Stationary The vehicle is still moving.
X Pull over and stop the vehicle, paying attention to road and traffic
conditions.
X Shift the transmission to position j.Ò The tailgate is open.
X Close the tailgate. Ñ The rear-end door is open.
X Close the rear-end door/doors. Ó An additional warning tone sounds. The hood is open.
G WARNING
The open hood may then block your view when the vehicle is in
motion.
There is a risk of an accident.
X Stop the vehicle immediately, paying attention to road and traffic
conditions.
X Secure the vehicle to prevent it from rolling away (Y page 138).
X Close the hood. C An additional warning tone sounds while the vehicle is in motion.
The display shows the open door(s).
X Close all doors.226
Display messages (vehicles with steering wheel buttons)
On-board computer and displays

Safety systems
Warning/
indicator
lamp
N Signal type
Possible causes/consequences and
M Solutions$J
ò
N $ (USA only) or J (Canada only): the ABS and brake warning lamps
are lit while the engine is running.
EBD is unavailable due to a malfunction. ABS, BAS, hill start assist and ESP
®
as
well as its driving safety systems, for example, are therefore also unavailable.
ATTENTION ASSIST is deactivated and other driving systems could be automati-
cally deactivated.
G WARNING
The brake system continues to function normally, but without the functions lis-
ted above. The wheels could therefore lock prematurely if you brake hard, for
example.
This causes steerability and braking to be greatly impaired. The braking distance
may increase in emergency braking situations.
If ESP ®
is not operational, ESP ®
will not stabilize the vehicle.
There is an increased risk of skidding and accidents.
X Switch the engine off, wait briefly and start the engine again.
X Check if the display message has disappeared and ESP ®
is operational.
X If the display message continues to be displayed:
R Drive on with care.
R Visit a qualified specialist workshop immediately. $J
N The red
$ (USA only) or J (Canada only) brake system warning lamp is
lit while the engine is running. An additional warning tone sounds.
There is insufficient brake fluid in the brake fluid reservoir.
G WARNING
Braking performance can be impaired.
There is a risk of an accident.
X Stop the vehicle immediately, paying attention to road and traffic conditions.
Do not continue driving under any circumstances.
X Secure the vehicle to prevent it from rolling away ( Y page 138).
X Do not add brake fluid. Adding more will not remedy the malfunction.
X Consult a qualified specialist workshop.
X Observe the display messages. Indicator and warning lamps in the instrument cluster
229
On-board computer and displays Z