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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Frequencies
Garage door opener .......................298
Telephone ...................................... 285
Front airbag ......................................... 38
Front-passenger airbag ....................... 38
Fuel ..................................................... 287
Diesel ............................................ 173
Loss ............................................... 241
Petrol ............................................. 173
Fuel consumption
Notes ............................................. 288
Fuel filler flap
Emergency release ........................251
Opening/closing ........................... 172
Fuel filter
Display message ............................ 221
Fuel gauge ............................................ 25
Fuel level Calling up the range (on-board
computer) ...................................... 111
Display ............................................. 25
Fuel line
Malfunction ................................... .241
Fuel tank
Defect ............................................ 241
Fuse allocation chart ........................280
Fuse box Dashboard ..................................... 281
Engine compartment .....................281
Luggage compartment ...................281
Fuses .................................................. 280G
Garage door Opening/closing (with the remote
control) .......................................... 166
Garage door opener ..........................165
Clearing the memory .....................166
Frequencies ................................... 298
Programming the remote control ...165
Gear indicator ...................................... 93
Genuine Mercedes-Benz parts .........284
Glove compartment ..........................152
Gradient-climbing capability (max-
imum) ................................................. 191 H
Handbrake Display message ............................ 221
Headlamp cleaning system ..............178
Headlamps Cleaning ......................................... 203
Cleaning system .............................. 83
Misting up ...................................... 245
Headlamps delayed switch-off
see Exterior lighting delayed switch-off
Head restraints
Adjusting (front) ............................... 65
Adjusting (rear) ................................ 68
Luxury .............................................. 66
NECK-PRO ....................................... 40
Removing (rear) ............................... 69
Resetting triggered NECK-PRO
head restraints .............................. 252
Resetting triggered NECK-PRO
luxury head restraints ....................252
Heating
see Air conditioning
High-pressure cleaners ....................202
Hill start assist .................................... 90
HomeLink ®
see Garage door opener I
Immobiliser .......................................... 54
Indicator and warning lamp Automatic child seat recognition
(malfunction) ................................. 234
Brakes (red) ........................... 235, 236
Engine diagnostics .........................237
ESP ®
.............................................. 235
PASSENGER AIRBAG OFF ........43, 234
Reserve fuel ................................... 239
Seat belt ........................................ 238
SRS .......................................... 35, 236
Thermotronic (malfunction) ...........234
Indicator and warning lamps ...........235
Indicator lamp see Indicator and warning lamp .....235
Instrument cluster .............................. 96
On-board computer .......................103 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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Vehicle battery
.................................. 272
Vehicle dimensions ...........................295
Vehicle electronics ...........................284
Vehicle identification number
(VIN) .................................................. 286
Vehicle identification plate ..............286
Vehicle level Display mes-
sage.............................................. 221, 222
Vehicle tool kit .................................. 209W
Warning and indicator lamps ABS (yellow) ................................... 235
ESP ®
........................................ 51, 236
LIM (cruise control) ........................ 118
LIM (Distronic) ............................... 121
LIM (variable Speedtronic) .............126
Malfunction indicator lamp ............234
Tyre pressure monitor ...................237
Warning tone ..................................... 239
Warning triangle ................................ 208
Washer fluid Display message ............................ 232
Washer fluid reservoir ..............178, 291
Filling capacity ............................... 291
Wearing seat belts .............................. 75
Wheel bolts Tightening torque ........................... 271
Wheel chock
Use ................................................ 268
Wheels
Cleaning ......................................... 202
General notes ................................ 179
Interchanging ................................. 184
Technical data ....................... 296, 297
Windowbag .......................................... 39
Windows Cleaning ......................................... 202
see Side windows
Windscreen
Infrared reflective .......................... 168
Windscreen washer fluid ..................291
Topping up ..................................... 178
Windscreen washer system .....178, 291 Windscreen wipers
.............................84
Malfunction ................................... .245
Replacing the wiper blades ............261
Winter diesel ..................................... 174
Winter driving ............................ 185, 186
Winter tyres ....................................... 185
Limiting the speed (on-board com-
puter) ............................................. 128
Wiper blades
Cleaning ......................................... 202
Replacing ....................................... 261
Wooden trim
Cleaning ......................................... 205 16
Index X164_AKB; 2; 3, en-GB
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Indicator and warning lamps
Function Page
:
ABS warning lamp (Anti-
lock Braking System)
235
;
LIM indicator lamp 126
=
ESP
®
(Electronic Stability
Program) warning lamp 235
?
Distance warning lamp*
1 53
A
Brake warning lamp 236
B
Tyre pressure monitor
warning lamp*
237
C
Turn signal indicator lamp 81
D
Turn signal indicator lamp 81
E
Seat belt warning lamp
238 Function Page
F
Diesel engine: preglow indi-
cator lamp
89
G
SRS (Supplemental
Restraint System) warning
lamp 236
H
Dipped-beam headlamps
indicator lamp 80
I
Engine diagnostics warning
lamp 237
J
Main-beam headlamps indi-
cator lamp 81
K
Reserve fuel warning lamp 239
1
On vehicles without Distronic*, the symbol lights up briefly but has no function. Instrument cluster
27At a glance
* optional
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Occupant safety
Notes on occupant safety
Seat belts, together with belt tensioners, belt
force limiters and airbags, are complemen-
tary, coordinated restraint systems. They
reduce the risk of injury in specific, pre-
defined types of accident situations and
thereby increase occupant safety. However,
seat belts and airbags generally do not pro-
tect against objects penetrating the vehicle
from the outside.
To ensure that the restraint systems can
deliver their full potential protection, make
sure that:
R the seat and head restraint are adjusted
properly (Y page 64).
R the seat belt has been fastened properly
(Y page 75).
R the airbags can inflate properly if they are
deployed (Y page 37).
R the steering wheel is adjusted properly
(Y page 70).
R the restraint systems have not been modi-
fied.
i An airbag increases the protection of
vehicle occupants wearing a seat belt.
However, airbags are only an additional
restraint system which complements, but
does not replace, the seat belt. All vehicle
occupants must wear their seat belt cor-
rectly at all times, even if the vehicle is
equipped with airbags. This is because – on
the one hand – airbags are not deployed in
all types of accident, as in some situations
airbag deployment would not increase the
protection afforded to vehicle occupants,
provided they are wearing their seat belt
correctly. On the other hand, airbag deploy-
ment only provides increased protection if
the seat belt is worn correctly because: R
the seat belt helps to keep the vehicle
occupant in the best position in relation
to the airbag.
R for example, in a head-on collision, the
seat belt can more adequately prevent
the occupant from being propelled
towards the point of the impact, and is
thus better suited to prevent injury.
Therefore, in accident situations where an
airbag is deployed, it only provides protec-
tion in addition to the seat belt if the seat
belt is being worn correctly. G
Risk of accident and injury
Always have maintenance work carried out at
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 pur-
pose.
In particular, work relevant to safety or on
safety-related systems must be carried out at
a qualified specialist workshop. If this work is
not carried out correctly, the operating safety
of your vehicle may be affected. There is a risk
of an accident and injury. G
Risk of injury
The restraint system may not work as inten-
ded if the following components have been
modified or work on these components has
not been performed correctly:
R restraint system, consisting of the seat
belts and anchorages, belt tensioners, belt
force limiters, airbags
R wiring
R networked electronic systems
Airbags or belt tensioners could then fail, e.g.
in the event of an accident in which the decel-
eration force would normally be high enough
to trigger the systems, or they could be trig-
gered unintentionally. Never carry out any
modifications on the restraint systems. 34
Occupant safetySafety
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Never tamper with electronic components
and their software.
SRS (Supplemental Restraint System)
The SRS reduces the risk of occupants com-
ing into contact with the vehicle's interior in
the event of an accident. It can also reduce
the forces to which occupants are subjected
during an accident.
The SRS consists of:
R The + warning lamp
R belt tensioners
R belt force limiters
R airbags
The + + warning lamp The SRS functions are checked regularly
when you turn on the ignition and when the
engine is running. Therefore, malfunctions
can be detected in good time.
The
+ warning lamp in the instrument
cluster lights up when the ignition is switched
on. It goes out no later than a few seconds
after the engine is started. G
Risk of injury
If SRS is malfunctioning, individual systems
may be activated unintentionally or not be
deployed in the event of an accident with
heavy braking.
A malfunction has occurred if the +warn-
ing lamp:
R does not light up when you switch on the
ignition
R does not go out after the engine has been
running for a few seconds
R lights up again once the engine is running
In this case, have SRS checked immediately
at a qualified specialist workshop. Triggering of belt tensioners, belt force
limiters and airbags In the event of a collision, the airbag control
unit evaluates important physical data such
as duration, direction and force of the vehicle
deceleration or acceleration. Based on the
evaluation of this data and in the event of lon-
gitudinal deceleration in a collision, the airbag
control unit pre-emptively triggers the belt
tensioners, depending on the rate of deceler-
ation, in the first stage.
i
The front belt tensioners can only be trig-
gered if the belt tongue is correctly
engaged in the seat belt buckle.
The front airbags are only deployed if there is
an even higher rate of vehicle deceleration in
a longitudinal direction.
Your vehicle has adaptive, dual stage front
airbags. When the first activation threshold is
reached, the front airbag is filled with enough
propellant gas to reduce the risk of injuries.
The front airbag is only fully inflated if a sec-
ond threshold is reached within a few milli-
seconds, due to the control unit having detec-
ted further deceleration.
Criteria for triggering belt tensioners and
airbags
In the first stage of a collision, the airbag con-
trol unit evaluates the duration and direction
of vehicle acceleration or deceleration in
order to determine whether it is necessary to
trigger the belt tensioner and/or airbag.
The belt tensioner and airbag triggering
thresholds are variable and are adapted to the
rate of deceleration of the vehicle. This proc-
ess is pre-emptive in nature as the airbag
must be deployed during – and not at the end
of – the collision.
i Airbags are not deployed in all types of
accidents. They are controlled by complex
sensor technology and evaluation logic.
This process is pre-emptive in nature as
airbag deployment must take place during
the impact and must be adapted to provide Occupant safety
35Safety
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calculated, additional protection for the
vehicle occupants. Not all airbags are
deployed in an accident.
The different airbag systems work inde-
pendently of each other. However, the
deployment of each individual system will
depend on the type of accident determined
by the control system in the first stages of
the collision (head-on collision, side impact
and overturn) and the extent of the acci-
dent (in particular, the vehicle's rate of
deceleration or acceleration).
The rate of vehicle deceleration or accelera-
tion and the direction of the force are essen-
tially determined by:
R the distribution of forces during the colli-
sion
R the collision angle
R the deformation characteristics of the vehi-
cle
R the characteristics of the object with which
the vehicle collides, e.g. the other vehicle
Factors which can only be seen and measured
after a collision has occurred do not play a
decisive role in the deployment of an airbag,
nor do they provide an indication of it.
The vehicle may be deformed significantly,
e. g. on the bonnet or the wing, without an
airbag being deployed. This is the case if only
parts which are relatively easily deformed are
affected and the necessary deceleration does
not occur. Conversely, airbags may be
deployed even though the vehicle suffers only
minor deformations. For example, this is the
case if very rigid vehicle parts such as longi-
tudinal body members are affected and suf-
ficient deceleration occurs as a result.
Belt tensioners, belt force limiters The front seat belts and the outer seat belts
in the second row are equipped with belt ten-
sioners. The front seat belts are also fitted
with belt buckle tensioners. !
Do not engage the seat belt tongue in the
buckle on the front-passenger seat if the
seat is not occupied. The belt tensioners
could otherwise be triggered in an acci-
dent.
If the seat belt is also equipped with a belt
force limiter, the force exerted by the seat
belt on the seat occupant is reduced.
Belt tensioners tighten the seat belts in an
accident, pulling them close against the body.
i Belt tensioners do not correct incorrect
seat positions or incorrectly fastened seat
belts.
Belt tensioners do not pull occupants back
towards the backrest.
The front belt force limiters are synchronised
with the front airbags, which distribute a pro-
portion of the deceleration forces exerted on
the occupant over a greater area.
When the ignition is switched on, the belt ten-
sioners/belt buckle tensioners cannot be
triggered unless:
R the restraint systems are operational; see
+ warning lamp.
R the belt tongue is engaged in the buckle on
each lap-shoulder belt in the front of the
vehicle.
Depending on the type and severity of an
accident, the belt tensioners/belt buckle ten-
sioners may be triggered:
R in the event of a head-on or rear-end colli-
sion if the vehicle decelerates or acceler-
ates rapidly in a longitudinal direction dur-
ing the initial stages of impact
R in the event of a side impact if the vehicle
is subjected to high lateral acceleration/
deceleration
R in certain situations if the vehicle over-
turns, and the system determines that it
can provide additional protection
If the airbags are deployed, you will hear a
bang and a small amount of powder may also
be released. Only in rare cases will the bang 36
Occupant safetySafety
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