ECU MERCEDES-BENZ GLA 2016 Service Manual

Page 265 of 390

Display messages
Possible causes/consequences and P Solutions
Auxiliary Batter y
Malfunction The auxiliar y battery fo r th e automati c transmissio n is no longer
bein g charged. X
Visit a qualified specialist workshop .X
Unti l then , set th e transmissio n to position P before you switch
of f th e engine. X
Before leavin g th e vehicle, apply th e electric parkin g brake.
Trans. Oil Overhea‐
ted Drive on wit h
Car e Mercedes-AMG vehicles: th e transmissio n oil has overheated.
Manual drive progra m M and th e temporarily active manual drive
progra m are no longer available. The engin e powe r output is
reduced. X
Allow th e vehicl e to cool down .
4matic Currently
Unavailable 4MATIC has overheated. The vehicl e is only driven by th e fron t
wheels. X
Drive on .
The airflow cools 4MATIC mor e quickly.
Whe n th e display message goe s out , 4MATIC is available again
and th e vehicl e is driven by all four wheels.
4matic Inoperative 4MATIC is malfunctioning. The vehicl e is only driven by th e fron t
wheels. X
Visit a qualified specialist workshop .
e The tailgat e is open .
G WARNIN G
Whe n th e engin e is running , exhaus t gase s can ente r th e vehicl e
interio r if th e tailgat e is open .
There is a ris k of poisoning. X
Clos e th e tailgate.
f The hoo d is open .
A warnin g tone also sounds.
G WARNIN G
The open hoo d may bloc k your vie w when th e vehicl e is in motion .
There is a ris k of an accident. X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 171).X
Clos e th e hood. Display messages 26 3
On-board computer and displays Z

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Safety systems Problem
Possible causes/consequences and P Solutions
M
The yellow brake sys-
tem warning lamp
lights up while the
engine is running. The brake system is malfunctioning.
G WARNING
The braking characteristics may be affected.
There is a risk of an accident. X
Drive on taking extra care. X
Visit a qualified specialist workshop immediately.
' (USA only)
M (Canada only)
The red brake system
warning lamp comes on
while the engine is run-
ning. A warning tone
also sounds. G WARNING
The brake boosting effect is malfunctioning and the braking char-
acteristics may be affected.
There is a risk of an accident. X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances. X
Secure the vehicle against rolling away ( Y
page 171).X
Consult a qualified specialist workshop. X
Observe the additional display messages in the multifunction
display.
' (USA only)
M (Canada only)
The red brake system
warning lamp comes on
while the engine is run-
ning. A warning tone
also sounds. There is not enough brake fluid in the brake fluid reservoir.
G WARNING
The braking effect may be impaired.
There is a risk of an accident. X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances. X
Secure the vehicle against rolling away ( Y
page 171).X
Do not add brake fluid. Adding more will not remedy the mal-
function. X
Consult a qualified specialist workshop. X
Observe the additional display messages in the multifunction
display.268
Warning and indicator lamps in the instrument cluster
On-board computer and displays

Page 280 of 390

Tires Problem
Possible causes/consequences and P Solutions
w
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) is lit. The tire pressure monitor has detected a loss of pressure in at
least one of the tires.
G WARNING
Tire pressures that are too low pose the following hazards: R
they may burst, especially as the load and vehicle speed
increase. R
they may wear excessively and/or unevenly, which may greatly
impair tire traction. R
the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident. X
Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so. X
Secure the vehicle against rolling away ( Y
page 171).X
Observe the additional display messages in the multifunction
display. X
Check the tires and, if necessary, follow the instructions for a
flat tire ( Y
page 322). X
Check the tire pressure ( Y
page 348).X
If necessary, correct the tire pressure.
w
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) flashes for
approximately one
minute and then
remains lit. The tire pressure monitor is faulty.
G WARNING
The system is possibly unable to recognize or register low tire
pressure.
There is a risk of an accident. X
Observe the additional display messages in the multifunction
display. X
Visit a qualified specialist workshop immediately.278
Warning and indicator lamps in the instrument cluster
On-board computer and displays

Page 282 of 390

Useful information
i This Operator's Manual describes all
models and all standard and optional equip-
ment of your vehicle available at the time of
publication of the Operator's Manual.
Country-specific differences are possible.
Please note that your vehicle may not be
equipped with all features described. This
also applies to safety-related systems and
functions.
i Read the information on qualified special-
ist workshops ( Y
page 25).
Loading guidelines
G WARNING
If objects, luggage or loads are not secured or
not secured sufficiently, they could slip, tip
over or be flung around and thereby hit vehicle
occupants. There is a risk of injury, particu-
larly in the event of sudden braking or a sud-
den change in direction.
Always store objects so that they cannot be
flung around. Secure objects, luggage or
loads against slipping or tipping before the
journey.
G WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. If the tailgate
is open when the engine is running, particu-
larly if the vehicle is moving, exhaust fumes
could enter the passenger compartment.
There is a risk of poisoning.
Turn off the engine before opening the tail-
gate. Never drive with the tailgate open.
G WARNING
The exhaust tail pipe and tail pipe trim can
become very hot. If you come into contact
with these parts of the vehicle, you could burn
yourself. There is a risk of injury.
Always be particularly careful around the
exhaust tail pipe and the tail pipe trim. Allow these components to cool down before touch-
ing them.
The handling characteristics of a laden vehi-
cle are dependent on the distribution of the
load within the vehicle. For this reason, you
should observe the following notes when
transporting a load: R
Never exceed the maximum permissible
gross vehicle mass or the gross axle weight
rating for the vehicle (including occupants).
The values are specified on the vehicle
identification plate on the B-pillar of the
driver's door. R
The cargo compartment is the preferred
place to carry objects. R
Position heavy loads as far forwards as pos-
sible and as low down in the cargo com-
partment as possible. R
The load must not protrude above the
upper edge of the seat backrests. R
Always place the load against the rear or
front seat backrests. Make sure that the
seat backrests are securely locked into
place. R
Always place the load behind unoccupied
seats if possible. R
Use the cargo tie-down rings and the parcel
nets to transport loads and luggage. R
Use cargo tie-down rings and fastening
materials appropriate for the weight and
size of the load. R
The maximum load capacity of the stowage
well under the cargo compartment floor is
55 lbs (25 kg). R
Secure the load with sufficiently strong and
wear-resistant tie-downs. Pad sharp edges
for protection.
! Do not position the load on one part of the
folding cargo compartment floor only. The
maximum load capacity of the folding cargo
compartment floor is 220 lbs (100 kg). Dis-
tribute the weight evenly to avoid damaging
the cargo compartment floor. Place a solid
board under the load if necessary. Please280
Loading guidelines
Stowage and features

Page 283 of 390

note that the load on the cargo compart-
ment floor will be increased when the load
is lashed down.
Stowage areas
Stowage spaces
Important safety notes
G WARNING
If objects in the passenger compartment are
stowed incorrectly, they can slide or be
thrown around and hit vehicle occupants.
There is a risk of injury, particularly in the
event of sudden braking or a sudden change
in direction. R
Always stow objects so that they cannot be
thrown around in such situations. R
Always make sure that objects do not pro-
trude from stowage spaces, parcel nets or
stowage nets. R
Close the lockable stowage spaces before
starting a journey. R
Stow and secure objects that are heavy,
hard, pointed, sharp-edged, fragile or too
large in the cargo compartment.
Observe the loading guidelines ( Y
page 280).
Stowage compartments in the front
Glove box X
To open: pull handle C and open glove box
flap D . X
To close: fold glove box flap D upwards
until it engages.
There is a pen holder at the top of the glove
box flap.
Eyeglasses compartment
X
To open: press marking C .
Make sure that the eyeglasses compartment
is always closed while the vehicle is in motion.
Stowage compartment in the front center
console
X
To open: press the marking on cover C .
i Depending on the vehicle equipment,
there may be an ashtray in the center con-
sole instead of a storage compartment. Stowage areas 281
Sto wag e an d features Z

Page 284 of 390

Stowage compartment in front of the arm-
rest (vehicles with automatic transmis-
sion) X
To open: press the marking on cover C .
i You can remove the non-slip mat and the
insert for cleaning. When removing the
insert you will have to overcome some
slight resistance.
Stowage compartment under the armrest
X
To open: on vehicles with movable armr-
ests, make sure that the armrest is in the
rearmost position. X
Press button C and fold the armrest up.
Depending on the vehicle equipment, the
armrest can be moved backwards or forwards
in a longitudinal direction.
Depending on the vehicle's equipment, the
following may be in the stowage compart-
ment: a multimedia connector unit with an SD
card slot and 2 USB ports, e.g. for use with an
iPod ®
, iPhone ®
or MP3 player; see the sepa-
rate operating instructions. Stowage compartment under the driver's
seat and front-passenger seat
G WARNING
If you exceed the maximum load for the stow-
age compartment, the cover may not be able
to restrain the items. Items may be thrown out
of the stowage compartment and hit vehicle
occupants. There is a risk of injury, particu-
larly in the event of sudden braking or a sud-
den change in direction.
Never exceed the maximum permissible load
for the stowage compartment. Stow and
secure heavy objects in the cargo compart-
ment.
The maximum permissible load of the stow-
age compartment is 2.6 lbs (1.5 kg).
X
To open: pull handle C up and fold
cover D forwards.
Stowage space in the rear
Stowage compartment in the rear center
console282
Stowage areas
Stowage and features

Page 287 of 390

X
Insert the seat belt into seat-belt holder C .
Folding the rear seat backrest back
! Make sure that the seat belt does not
become trapped when folding the rear seat
backrest back. Otherwise, it could be dam-
aged. X
Move the driver's or front-passenger seat
forward if necessary. X
Fold seat backrest C back until it engages.
Red lock status indicator D is no longer
visible. X
Adjust the head restraints if necessary
( Y
page 106). X
Move the driver's or front-passenger seat
back if necessary.
Adjusting the angle of the rear seat backr-
ests (cargo position) Vehicles with the cargo compartment pack-
age: to enlarge the cargo compartment, you
can adjust the rear seat backrests to a 15°
steeper angle (cargo position). X
Fold the seat backrest forward
( Y
page 284). X
Move handle C in the direction of the
arrow. X
Push back seat backrest D as far as han-
dle C until the backrest engages.
The backrest is now in the cargo position.
Securing cargo
Cargo tie-down rings General notes
Observe the following notes on securing
loads: R
Observe the loading guidelines
( Y
page 280). R
Secure the load using the cargo tie-down
rings. R
Distribute the load on the cargo tie-down
rings evenly. R
Do not use elastic straps or nets to secure
a load, as these are only intended as an
anti-slip protection for light loads. R
Do not route tie-downs across sharp edges
or corners. R
Pad sharp edges for protection.
Cargo compartment
C
Cargo tie-down rings Stowage areas 285
Stowage and features Z

Page 288 of 390

Bag hook
G WARNING
The bag hooks cannot restrain heavy objects
or items of luggage. Objects or items of lug-
gage could be flung around and thereby hit
vehicle occupants when braking or abruptly
changing directions. There is a risk of injury.
Only hang light objects on the bag hooks.
Never hang hard, sharp-edged or fragile
objects on the bag hooks.
! The bag hook can bear a maximum load of
6.6lbs (3kg) and should not be used to
secure a load.
C
Bag hook
Parcel shelf
! The maximum load which may be placed
on the parcel shelf is 3.3 lbs (1 .5 kg).
X
To remove: detach straps C from the tail-
gate. X
Fold the parcel shelf downwards. X
Pull the parcel shelf out to the rear D .X
To install: place the parcel shelf on the
guide rails on the left and right. X
Push the parcel shelf evenly forwards using
both hands until it engages. X
Fold the parcel shelf up. X
Attach straps C to the tailgate.
Cargo net
Important safety notes
G WARNING
On its own, the cargo net cannot secure or
restrain heavy objects, items of luggage and
heavy loads. You could be hit by an unsecured
load during sudden changes in direction,
braking or in the event of an accident. There is
an increased risk of injury or even fatal injury.
Always store objects so that they cannot be
flung around. Secure objects, luggage or
loads against slipping or tipping over, e.g. by
using tie downs, even if you are using the
cargo net.
It is important to use a cargo net if you load
the vehicle with small objects above the seat
backrests. For safety reasons, always use a
cargo net when transporting loads.
Damaged cargo nets can no longer fulfill their
protective function and must be replaced.
Visit a qualified specialist workshop.
Attaching and tightening the cargo net
You have two options for hooking in the cargo
net: R
with cargo compartment enlargement: the
brackets are behind the B ‑ pillar and the
cargo tie-down rings to tension the net are
on the sides of the rear-compartment foot-
well. R
without cargo compartment enlargement:
the brackets are behind the C-pillar and the
cargo tie-down rings to tension the net are
in the cargo compartment ( Y
page 285).286
Stowage areas
Stowage and features

Page 291 of 390

R
Always stow objects so that they cannot be
thrown around in such situations. R
Always make sure that objects do not pro-
trude from stowage spaces, parcel nets or
stowage nets. R
Close the lockable stowage spaces before
starting a journey. R
Stow and secure objects that are heavy,
hard, pointed, sharp-edged, fragile or too
large in the cargo compartment.
! Only use the cup holders for containers of
the right size and which have lids. The
drinks could otherwise spill.
Observe the loading guidelines ( Y
page 280).
The stowage compartments in the doors pro-
vide space for bottles: R
front: capacity up to 34 fl. oz. (1.0 l)R
rear: capacity up to 17 fl. oz. (0.5 l)
Cup holder in the front-compartment
center console
The cup holder and the rubber mat under-
neath can be removed for cleaning. Clean
them with clean, lukewarm water only. X
To remove: carefully pull in upper sections
of cup holder C on the driver's and front-
passenger sides until they release. X
Lift the cup holder upwards D until it can
be removed. X
To install: insert cup holder into lateral
curved sections D in the stowage com-
partment. Insert the cup holder so that the
wedge of the upper section of cup
holder C faces forwards. X
Press the cup holder downwards until it
engages on the right and left-hand sides.
Cup holder in the rear seat armrest
! Do not sit on or support your body weight
on the rear seat armrest when it is folded
down, as you could otherwise damage it.
! Close the cup holder before folding the
rear seat armrest up. Otherwise, the cup
holder could be damaged.
X
Fold down the rear seat armrest. X
To open: press the front of cup holder C
or D .
Cup holder C or D extends automatically. X
To close: slide cup holder C or D back
until it engages. Features 289
Stowage and features Z

Page 307 of 390

the driver's footwell. Install the floormats
securely and as specified in order to ensure
sufficient clearance for the pedals. Do not use
loose floormats and do not place floormats on
top of one another.
X
Slide the seat backwards. X
To install: place the floormat in the foot-
well. X
Press safety catch knobs C onto retain-
ers D .X
To remove: pull the floormat off retain-
ers D .X
Remove the floormat. Features 305
Sto wag e an d features Z

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