1, 2, 3 ...
4ETS (Electronic Traction Support) ...53
4MATIC (permanent four-wheel
drive) .................................................. 112A
ABS (Anti-lock Braking System) .........50
Display message .................... 212, 213
Warning lamp ................................. 235
Accident
Notes ............................................. 240
Acoustic warning tone
see Warning tone ........................... 239
Active Service System PLUS
see ASSYST PLUS service interval
displa y........................................... 199
Adaptive brake lamps .........................51
Adaptive Damping System See ADS ....................................... 129
AdBlue ®
Display message ............................ 213
Service indicator ............................ 200
AdBlue ®
service indicator ................200
Additional functions (on-board
computer) .......................................... 109
ADS (Adaptive Damping System) ..... 129
Airbags Activation ......................................... 35
Control unit ...................................... 35
Driver's ............................................ 38
Front ................................................ 38
Front passenger ............................... 38
PASSENGER AIRBAG OFF warning
lamp ............................................. 234
Sidebag ............................................ 39
System ............................................. 37
Windowba g...................................... 39
Air conditioning
Activating/deactivating .................140
Activating/deactivating air-recir-
culation mode ................................ 146
Auxiliary heating/ventilation .......... 147
Controlling automatically ...............141
Convenience opening/closing
(air-recirculation mode )................. 147
Demisting the windscreen .............145 Malfunction indicator lamp
............234
Rear-compartment air condition-
ing ................................................. 139
Rear window heating .....................146
Setting the air distribution .............144
Setting the airflow .........................145
Setting the air vents ......................143
Setting the temperature ................142
Setting the temperature (rear
compartment) ................................ 142
Switching the residual heat func-
tion on/off ..................................... 147
Thermatic 2-zone automatic cli-
mate control .................................. 138
Thermotronic luxury multi-zone
automatic climate control ..............139
Air-conditioning system
see Air conditioning
Air filter
Display message ............................ 228
Air pressure
see Tyre pressure
Ambient lighting
Setting (on-board computer) .......... 106
Anti-glare film .................................... 169
Anti-lock braking system See ABS ........................................... 50
Anti-theft alarm system
See EDW .......................................... 54
Anti-theft systems ............................... 54
Ashtray ............................................... 162
ASSYST PLUS see ASSYST PLUS service interval
displa y........................................... 199
ASSYST PLUS service interval dis-
play ..................................................... 199
Calling up the date (on-board
computer) ...................................... 200
Display message ............................ 199
ATA (anti-theft alarm system) ............54
Switching off the alarm ....................54
AUTO lights
Display message ............................ 225
Automatic car wash ..........................2014
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Automatic transmission
DIRECT SELECT lever .......................92
Display mes-
sage .............................. 213, 216, 217
Driving tips ...................................... 94
Emergency running mode ..............244
Gear indicator .................................. 93
Kickdown ......................................... 94
Malfunction ................................... .244
Program selector button ..................95
Shift ranges ..................................... 94
Trailer towing ................................... 94
Transmission positions ....................93
Auxiliary heating ............................... 147
Display message .................... 231, 232
Notes ............................................. 147
Remote control .............................. 148
Setting (on-board computer) .......... 107
Auxiliary ventilation ..........................147 B
Backrest angle Adjusting (2nd row of seats) ............67
Ball coupling
Fitting ............................................ 194
Folding in ....................................... 198
Folding out ..................................... 193
Removing ....................................... 198
BAS (Brake Assist) ............................... 50
Battery Changing (auxiliary heating
remote control) .............................. 254
Charging ........................................ 275
Checking (key) ............................... 253
Check lamp (key )........................... 253
Disconnecting ................................ 273
Display message ............................ 220
Jump-starting ................................. 276
Maintenance (vehicle) .................... 272
Reconnecting ................................. 276
Removing/fitting ........................... 274
Vehicle battery .............................. 272
Belt force limiters
Activation ......................................... 35
Belt height adjustment .......................77
Belt reel (Easy-Pack fix kit) ..............160Belt tensioners
Activation ......................................... 35
Belt warning ......................................... 77
BlueTEC
AdBlue ®
......................................... 288
Bonnet
Bonnet catch ................................. 175
Display message ............................ 219
Opening/closing ........................... 174
Bonnet release lever
Release leve r................................. 175
Boot
Automatic opening ........................... 62
Boot lid
Opening/closing .............................. 60
Brake Assist
See BAS ........................................... 50
Brake fluid .......................................... 291
Display message ............................ 221
Brake lamps
Adaptive .......................................... .51
Display message ............................ 226
Brakes
Parking brake ................................... 91
Warning lamp ........................ 235, 236
Brake system
Display message ............................ 220
Bulbs .................................................. 254
Brake lamp .................................... 260
Dipped-beam headlamps ...............258
Display message ............................ 225
Licence plate lamp ......................... 260
Main-beam headlamps ................... 258
Overview ........................................ 256
Parking lamp .......................... 258, 260
Rear foglamp ................................. 260
Replacing .............................. .258, 259
Reversing lamp .............................. 260
Side lamp ....................................... 258
Tail lamp ........................................ 260
Turn signal lamp ....................258, 260
see Lamp Index
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Rear-compartment seats
....................67
Rear foglamp Display message ............................ 227
Rear-view mirror
Adjusting ......................................... 72
Anti-dazzle (manual) ......................... 72
Anti-dazzle mode (automatic) ..........73
Rear window heating ........................146
Malfunction indicator lamp ............234
Rear window wiper .............................85
Replacing the wiper blade .............. 262
Refuelling ........................................... 172
Remote control Auxiliary heating ............................ 148
Changing the batteries (auxiliary
heating) ......................................... 254
Garage door opene r....................... 165
Programming (garage door
opener) .......................................... 165
Reserve
Warning lamp ................................. 239
Reserve fuel ....................................... 287
Display message ............................ 232
Fuel tank ........................................ 287
Warning lamp ................................. 239
Reset button ........................................ 25
Restraint system See SRS .......................................... 35
Restraint systems
For children ..................................... 41
Rev counter .......................................... 97
Reversing camera ............................. 135
Cleaning ......................................... 203
Reversing lamps
Display message ............................ 228
Roof carrier ....................................... 161S
Safety net .......................................... .158
Seat Adjusting ................................... 64, 65
Correct driver's seat position ........... 78
Folding down/up (3rd row of
seats) ............................................... 67
Storing settings ............................... 74Seat belt
Adjusting the driver's and front-
passenger seat belt .........................77
Adjusting the height ......................... 77
Fastening ......................................... 75
Warning lamp ........................... 77, 238
Seat covers
Cleaning ......................................... 204
Seat heating ........................................ .70
Seat ventilation ................................... 69
Malfunction indicator lamp ............233
Securing a load .................................. 156
Securing hooks .................................. 157
Service indicator see ASSYST PLUS service interval
displa y........................................... 199
Service products ............................... 287
AdBlue ®
additives .......................... 288
Brake fluid ..................................... 291
Coolant .......................................... 291
Engine oil ....................................... 289
Fuel ................................................ 287
Windscreen washer fluid ................291
Settings
Calling up a stored setting ...............74
Factory (on-board computer) .........103
On-board computer .......................103
Setting the unit (on-board computer)
Speedometer ................................. 103
Shift ranges
Automatic transmission ...................94
Sidebag ................................................ 39
Side windows Convenience closing ........................87
Convenience opening ......................87
Fault .............................................. 246
Hinged side windows .......................86
Opening/closing .............................. 85
resetting .......................................... 86
Sliding/tilting sunroof ......................150
Convenience closing ........................87
Convenience opening ......................87
Rain closing feature .......................151
Resetting ....................................... 151
Sliding sunroof
see Sliding/tilting sunroof
Snow chains ...................................... 186 Index
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The letters displayed range from
Afor a short
service duration (approx. 1 hour) to Hfor a
long service duration (approx. 8 hours).
The ASSYST PLUS service interval display
does not take into account any periods of
time during which the battery is disconnec-
ted.
Maintaining the time-dependent service
schedule:
X Note down the service due date displayed
before disconnecting the battery.
or
X Subtract the battery disconnection periods
from the service date shown on the display
after reconnecting the battery.
Hiding a service message X
Press the .reset button on the instru-
ment cluster (Y page 25).
Service overdue A display message is shown in the multi-func-
tion display, for example:
Service A exceeded by .. days
Service A exceeded by .. km
You will also hear a warning tone.
i If you fail to have the service performed
by the specified date, you may be violating
applicable laws. Your warranty may be inva-
lidated and goodwill settlements may be
refused.
Calling up a service due date X
Switch on the ignition.
X Press VorU to select the standard
display menu on the steering wheel
(Y page 99).
X Press &or* to select the service
information.
The multi-function display shows the
¯ symbol and the service due date. AdBlue
®
service indicator
i For Blue-TEC vehicles only.
The BlueTEC exhaust gas aftertreatment
must be operated with a reducing agent
(AdBlue ®
) in order for it to function correctly.
AdBlue ®
is topped up as part of maintenance
work. Under normal operating conditions, a
full tank of AdBlue ®
should last until the next
service due date.
Depending on how and where the vehicle is
used, there may be an increase in the
AdBlue ®
consumption. If the AdBlue ®
supply
does not last until the next service, it will be
necessary to top it up sooner.
The following messages tell you about the
AdBlue ®
supply:
Refill AdBlue at workshop See Own‐
er's Manual
Refill AdBlue at workshop No start
in: ... km
Before taking a trip with your vehicle outside
Europe, have the AdBlue ®
supply checked
and, if necessary, topped up at a qualified
specialist workshop. Before using your vehi-
cle for an extended period in countries out-
side Europe, contact a qualified specialist
workshop.
! Have the AdBlue ®
tank topped up at a
qualified specialist workshop only. The
vehicle may otherwise be damaged or
soiled.
Damage or consequential damage is not
covered by the Mercedes-Benz implied
warranty.
You can obtain general information about
BlueTEC exhaust gas aftertreatment and
AdBlue ®
from any Mercedes-Benz Service
Centre.
Further information about AdBlue ®
(Y page 288). 200
ServiceOperation
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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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Engine number
The engine number is stamped on the crank-
case. More information can be obtained from
any Mercedes-Benz Service Centre. Service products and capacities
Service products include the following:
R fuels (e.g. petrol, diesel)
R exhaust gas aftertreatment additive
(AdBlue ®
)
R lubricants (e.g. engine oil, transmission oil)
R coolant
R brake fluid
R windscreen washer concentrate
Mercedes-Benz recommends that you only
use products which have been tested and
specially approved by Mercedes-Benz for
your vehicle and which are listed in this
Mercedes-Benz Owner's Manual in the rele-
vant chapter since:
R parts and service products are matched.
R damage caused by the use of non-approved
service products is not covered by the
implied warranty.
You can recognise service products approved
by Mercedes-Benz by the following inscrip-
tion on the containers:
R MB-Freigabe (e.g. MB-Freigabe 229.51)
R MB Approval (e.g. MB Approval 229.51)
Other designations or recommendations that
relate to a level of quality or a specification in
accordance with an MB Sheet number (such
as MB 229.5) have not necessarily been
approved by Mercedes-Benz.
You can obtain further information from any
Mercedes-Benz Service Centre. G
Risk of injury
When handling, storing and disposing of any
service products, please observe the relevant regulations, as you could otherwise endanger
yourself and others.
Keep service products away from children.
To protect your health, do not allow service
products to come into contact with your eyes
or open wounds. See a doctor immediately if
any service product is swallowed.
H
Environmental note
Dispose of service products in an environ-
mentally-responsible manner. Fuel
G
Risk of explosion
Fuel is highly flammable. Fire, naked flames
and smoking are therefore prohibited when
handling fuels.
Before refuelling, turn off the engine and the
auxiliary heating *. G
Risk of injury
Do not allow fuel to come into contact with
skin or clothing.
Allowing fuels to come into direct contact with
your skin or inhaling fuel vapours is damaging
to your health.
Tank capacity Total capacity 100 l
Of which reserve
fuel Approximately 13 l
!
Do not use petrol to refuel vehicles with a
diesel engine. Do not use diesel to refuel
vehicles with a petrol engine. Never mix
diesel with petrol. Even small amounts of
the wrong fuel result in damage to the
injection system. Damage resulting from
adding the wrong fuel is not covered by the
implied warranty.
Further information on refuelling and on
fuels (Y page 172) Service products and capacities
287Technical data
* optional
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Notes on fuel consumption
The vehicle will use more fuel than usual in
the following situations:
R at very low temperatures
R in urban traffic
R on short trips
R when towing a trailer
R in mountainous terrain
i Only for certain countries: the respective
current consumption and emission values
of your vehicle can be found in the COC
papers (EC CERTIFICATE OF CONFORM-
ITY). These documents are supplied when
the vehicle is delivered.
The consumption figures for vehicles falling
under the EURO4 standard have been
determined in accordance with EU Direc-
tive 80 /1268 /EEC while figures for vehi-
cles falling under the EURO5 standard have
been determined in accordance with Reg-
ulation (EC) No. 715 / 2007, in each case
based on the currently applicable version.
The values do not refer to a specific vehicle.
Deviations from these values may occur
under normal operating conditions.
! Do not use any special additives, as they
can cause malfunctions and engine dam-
age. Damage resulting from the use of such
additives is not covered by the Mercedes-
Benz implied warranty. H
Environmental note
CO 2(carbon dioxide) is the gas which scien-
tists believe to be principally responsible for
global warming (the greenhouse effect). Your
vehicle's CO 2emissions are directly related to
fuel consumption and therefore depend on:
R efficient use of the fuel by the engine
R driving style
R other non-technical factors, such as envi-
ronmental influences or road conditions You can minimise your vehicle's CO
2emis-
sions by driving carefully and having it serv-
iced regularly. AdBlue
®
i For BlueTEC vehicles only.
AdBlue ®
is a non-flammable, non-toxic, col-
ourless and odourless water-soluble fluid.
! Only use AdBlue ®
compliant with
ISO 22241. The use of special additives is
not permitted.
! Surfaces, such as carpets or paintwork,
which come into contact with AdBlue ®
while refilling should be rinsed immediately
with plenty of water. Immediately after
spilling, remove AdBlue ®
using a damp
cloth and cold water. If AdBlue ®
has
already crystallised, use a sponge and hot
water to clean it off. AdBlue ®
residues crys-
tallise after a certain period of time and soil
the affected surfaces.
High outside temperatures If AdBlue
®
is heated to above 50 † for an
extended period of time, e.g. due to direct
sunlight on the AdBlue ®
tank, AdBlue ®
may
start to decompose. Ammonia vapours may
develop as a result. G
Risk of injury
Ammonia vapours may escape if the
AdBlue ®
tank cap is opened at high tempera-
tures. Ammonia vapours have a pungent
odour and are particularly irritating to the
skin, to mucous membranes and to the eyes.
You may experience a burning sensation in
your eyes, nose and throat, as well as cough-
ing and watering of the eyes.
Do not inhale ammonia vapours. 288
Service products and capacitiesTechnical data
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Low outside temperatures
AdBlue
®
freezes at a temperature of approx-
imately –11 †. The vehicle is equipped with
an AdBlue ®
preheating system at the factory.
Winter operation is therefore also guaranteed
at temperatures below –11 †.
Special additives !
Only use AdBlue ®
compliant with
ISO 22241. Do not add any special addi-
tives to AdBlue ®
and do not dilute it with
water. Doing so may destroy the BlueTEC
exhaust gas aftertreatment system.
Damage resulting from the use of such
additives or from water is not covered by
the Mercedes-Benz implied warranty.
Purity The purity of AdBlue
®
is particularly important
for avoiding malfunctions in the exhaust gas
aftertreatment system.
If AdBlue ®
is pumped out of the AdBlue ®
tank,
e.g. during repair work, it must not be
returned to the tank as the purity of the fluid
can no longer be guaranteed.
! Impurities in AdBlue ®
(e.g. due to other
service products, cleaning agents or dust) lead to increased emission values, system
malfunctions, catalytic converter damage
or damage to the BlueTEC system. Vehicle model Total capacity of
the AdBlue ®
tank GL 350 BlueTEC 31.7 l
Engine oil
Only Mercedes-Benz approved engine oils
may be used in Mercedes-Benz engines.
A list of the engine oils tested and approved
in accordance with the Mercedes-Benz Spec-
ifications for Service Products can be called
up by visiting http://bevo.daimler.com and
entering the MB Sheet number. Further infor-
mation on tested and approved engine oils
can be obtained from any Mercedes-Benz
Service Centre. Engine oils which have been
approved by Mercedes-Benz have the MB
Sheet number indicated on the oil container
under the "MB approval" notice. The table
shows which MB Sheet number applies to
which engine: GL 450 4MATIC
GL 500 4MATIC
MB Sheet number
229.3, 229.5 mmService products and capacities
289Technical data
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