Page 209 of 309
206 X164_AKB; 2; 3, en-GB
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Page 210 of 309
Where will I find...?
...........................208
Display messages ............................. 211
Troubleshooting ................................ 233
Locking/unlocking in an emer-
gency ................................................. 250
Resetting triggered NECK-PRO
head restraints .................................. 252
Replacing batteries (key and
remote control) ................................. 253
Changing bulbs ................................. 254
Replacing the wiper blades ..............261
Flat tyre ............................................. 262
Battery ............................................... 272
Jump-starting .................................... 276
Towing and tow-starting ..................277
Fuses .................................................. 280 207Practical advice
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Where will I find...?
Warning triangle
The warning triangle is located in the stowage
space under the luggage compartment floor. X
Pull release handle ;.
X Fold luggage compartment floor :
upwards.
Removing the warning triangle X
Remove warning triangle :.Setting up the warning triangle X
Fold feet =down and out to the side.
X Pull side reflectors ;up to form a triangle
and lock them at the top using press-
stud :. First-aid kit
i Check the expiry date of the first-aid kit
annually, and replace the contents when
necessary.
The first-aid kit is located behind the side trim
in the luggage compartment. X
Open the side trim (Y page 259).
X Remove first-aid kit :. Fire extinguisher*
i Have the fire extinguisher refilled after
each use and checked every two years.
Otherwise, it may fail in an emergency. 208
Where will I find...?Practical advice
* optional
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Page 212 of 309

Observe the legal requirements in all coun-
tries concerned.
The fire extinguisher is located underneath
the front of the driver's seat. X
Pull tab :upwards.
X Remove fire extinguisher ;. Vehicle tool kit, TIREFIT, jack and
"Minispare" emergency spare
wheel*
The vehicle tool kit, TIREFIT, jack and
"Minispare" emergency spare wheel are in the
stowage space under the luggage compart-
ment floor. G
Risk of injury
The jack is designed only to raise and hold the
vehicle for a short time while a wheel is being
changed.
You must use axle stands if you are carrying
out work on the vehicle.
Make sure that the jack is placed on a firm,
non-slip, level surface. Do not use wooden
blocks or similar objects as a jack underlay.
Otherwise, the jack will not be able to achieve
its load-bearing capacity due to the restricted
height.
Do not start the engine at any time while a
wheel is being changed. Do not lie under the vehicle when it is being
supported by the jack. If you do not raise the
vehicle as described, it could slip off the jack
(e.g. if the engine is started or if a door or the
tailgate is opened or closed) and you could be
seriously injured.
i When using the jack, you should also
observe the safety notes in the "Flat tyre"
section (Y page 262).
X Open the luggage compartment floor
(Y page 208).
Vehicles with a TIREFIT kit/exterior
spare wheel bracket* :
TIREFIT kit 28
*
; Electric air pump 28
= Centring pin
? Safety net
A folding wheel chock
B Ratchet ring spanner
C Wheel wrench
D Warning triangle
E Jack 29
F Fuse allocation chart
G Towing eye
28 Not on vehicles with an exterior spare wheel bracket.
29 Depending on the date of production of the vehicle, the appearance and stowage location of the jack as well
as the other tools may differ from the illustrations. Where will I find...?
209Practical advice
* optional
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Exterior spare wheel bracket*
G
Risk of injury
The spare wheel is heavy. Make sure that
nobody is injured as you remove the spare
wheel.
On vehicles with an exterior spare wheel
bracket, the spare wheel is located outside
the vehicle behind the tailgate.
i If the vehicle is fitted with mixed tyres, the
spare wheel is the same type as on the front
wheels. X
Unscrew and remove screws :with the
wheel wrench.
X Remove the spare wheel from the spare
wheel bracket.
Vehicles with BlueTEC :
Safety net X
Remove safety net :. :
Jack 30
; TIREFIT kit 31
*
= Towing eye
? Electric air pump
A Ratchet ring spanner
B Warning triangle
C EASY-PACK load-securing kit*
D Folding wheel chock
E Centring pin
F Wheel wrench
Vehicles with a "Minispare" emer-
gency spare wheel* :
Centring pin
; Towing eye
= Wheel wrench
? Ratchet ring spanner
30 Depending on the date of production of the vehicle, the appearance and stowage location of the jack as well
as the other tools may differ from the illustrations.
31 Not for vehicles with an exterior spare wheel bracket. 210
Where will I find...?Practical advice
* optional
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A
Velcro fastener
B Jack
C Wheel bolts
D Folding wheel chock
E Fuse allocation chart
F Stowage well
G Warning triangle
Removing the "Minispare" emergency
spare wheel* X
Remove the warning triangle and jack.
X Turn emergency spare wheel retainer :
anti-clockwise and remove it.
X Remove the insert.
X Remove the "Minispare" emergency spare
wheel. Display messages
Notes
G
Risk of accident
The on-board computer only records and dis-
plays malfunctions and warnings from certain
systems. For this reason, you should always
make sure that your vehicle is safe to use. You
could otherwise cause an accident by driving
an unsafe vehicle.
Certain display messages are accompanied
by a warning tone or a continuous tone.
The multi-function display shows high-priority
display messages in red. Please respond in accordance with the dis-
play messages and follow the additional
notes in this Owner's Manual. G
Risk of accident
No further messages can be displayed if the
instrument cluster and/or the multi-function
display fails.
This means that you will not see information
about the driving situation, such as the speed,
outside temperature, warning/indicator
lamps, display messages or system failures.
The vehicle's handling characteristics may be
affected. Adjust your driving style and speed
accordingly.
Immediately consult a qualified specialist
workshop which has the necessary specialist
knowledge and tools to carry out the work
required. Mercedes-Benz recommends that
you use a Mercedes-Benz Service Centre for
this purpose. In particular, work relevant to
safety or on safety-related systems must be
carried out at a qualified specialist workshop.
Calling up display messages The on-board computer saves certain display
messages, which you can call up.
X
Press VorU on the steering wheel
repeatedly, until either the original menu or
the message memory menu is shown.
If there are display messages, the multi-
function display shows, e.g. 2 messages.
X Using &or* scroll through the dis-
play messages.
Hiding display messages You cannot hide display messages of the
highest priority. The multi-function display
shows these messages continuously until
their causes have been remedied.
Use the buttons on the multi-function steer-
ing wheel.
X
Use the V,U,&or* button
on the steering wheel to select another dis-
play. Display messages
211Practical advice
* optional
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The following tables contain all the display
messages. Text messages
G
Risk of accident and injury
The operating safety of your vehicle could be compromised if service work is carried out improp-
erly. You could lose control of the vehicle and cause an accident. Safety systems may also not
be able to protect you or others as intended.
Always have maintenance work carried out at a qualified specialist workshop. The workshop must
have the necessary specialist knowledge and tools to carry out the work required. Mercedes-
Benz recommends that you use a Mercedes-Benz Service Centre for this purpose. In particular,
work relevant to safety or on safety-related systems must be carried out at a qualified specialist
workshop. Display messages
Possible causes/consequences and
X
X Solutions 120 km/h Maximum
speed
exceeded
The maximum speed has been exceeded
32
.
X Drive more slowly. ABS ABS, ESP
unavaila‐
ble See
Owner's
Manual
G
Risk of accident
ABS (Anti-lock Brake System) and ESP ®
(Electronic Stability
Program) and therefore also PRE-SAFE ®
are temporarily
unavailable. The self diagnosis function might not be com-
plete, for example.
BAS (Brake Assist) is also deactivated.
The brake system continues to function normally, but without
the functions listed above.
X Carefully drive a short, gently winding stretch of road at a
speed above 20 km/h.
If the display message disappears, ABS and ESP ®
are avail-
able again. G
Risk of accident
ABS, ESP ®
and therefore also PRE-SAFE ®
are unavailable due
to undervoltage. BAS has also been deactivated.
The brake system continues to function normally, but without
the functions listed above.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. 32
Only for certain countries. 212
Display messagesPractical advice
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Display messages
Possible causes/consequences and
X
X Solutions ABS ABS, ESP
inopera‐
tive See
Owner's
Manual
G
Risk of accident
ABS, ESP ®
and therefore also PRE-SAFE ®
are unavailable due
to a malfunction. BAS has also been deactivated.
The brake system continues to function normally, but without
the functions listed above.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. Refill
AdBlue at
workshop See Own‐
er's Man‐
ual
The AdBlue
®
level has fallen below the reserve range. A warn-
ing tone also sounds.
X Have the AdBlue ®
reservoir filled as soon as possible at a
qualified specialist workshop. Refill
AdBlue at
workshop No start
in: XXXX
km
The AdBlue
®
level is only sufficient for the indicated route. A
warning tone also sounds.
X Have the AdBlue ®
reservoir filled as soon as possible at a
qualified specialist workshop. Refill
AdBlue at
workshop Engine
start not
possible
The AdBlue
®
tank is empty. A warning tone also sounds. You
can no longer start the engine.
X Consult a qualified specialist workshop immediately. Check
AdBlue See Own‐
er's Man‐
ual
The AdBlue
®
system is malfunctioning. A warning tone also
sounds.
X Visit a qualified specialist workshop. AdBlue No start
in: XXXX
km
The AdBlue
®
system is malfunctioning. A warning tone also
sounds.
X Visit a qualified specialist workshop immediately. AdBlue Engine
start not
possible
The AdBlue
®
system is malfunctioning. A warning tone also
sounds. You can no longer start the engine.
X Consult a qualified specialist workshop immediately. Auxiliary
battery Malfunc‐
tion The auxiliary battery for the automatic transmission is no lon-
ger being charged.
X
Visit a qualified specialist workshop at the next opportunity.
X Until then, set the automatic transmission to position P
before you switch off the engine.
X Before leaving the vehicle, apply the parking brake. Display
messages
213Practical advice
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