Engine compartmentVehicle features and optionsThis chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are notnecessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and
systems.
Important features in the engine compartment
1Jump-starting, negative battery terminal2Vehicle identification number3Washer fluid reservoir4Jump-starting, positive battery terminal5Engine compartment fuse box6Oil filler neck7Coolant reservoir
The coolant reservoir for 6-cylinder and
diesel engines is located on the opposite
side of the engine compartment.Seite 197Engine compartmentMobility197
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ter to ensure that all comfort features are fully
available and that any Check Control mes‐
sages of these comfort features are no longer
displayed.
Charging the battery
Note Do not connect charging devices to the
12 volt socket in the vehicle
Do not connect battery chargers to the fac‐
tory-installed 12 volt sockets in the vehicle as
this may damage the vehicle battery due to an
increased power consumption.◀
General information Make sure that the battery is always suffi‐
ciently charged to guarantee that the battery
remains usable for its full service life.
The battery may need to be charged in the fol‐
lowing cases:▷When making frequent short-distance
drives.▷If the vehicle is not used for prolonged pe‐
riods, longer than a month.
Starting aid terminals
In the vehicle, only charge the battery via the
starting aid terminals, refer to page 218, in the
engine compartment with the engine off.
Power failure After a temporary power loss, some equipment
needs to be newly initialized or individual set‐
tings updated, e.g.:
▷Seat and mirror memory: store the posi‐
tions again.▷Time: update.▷Date: update.▷Glass sunroof: initialize the system, refer to
page 49.Disposing of old batteries
Have old batteries disposed of by your
service center or bring them to a recy‐
cling center.
Maintain the battery in an upright position for
transport and storage. Secure the battery so
that it does not tip over during transport.
Fuses Hints Replacing fuses
Never attempt to repair a blown fuse and
do not replace a defective fuse with a substi‐
tute of another color or amperage rating; this
could lead to a circuit overload, ultimately re‐
sulting in a fire in the vehicle.◀
Plastic tweezers and information on the fuse
types and locations are stored in the fuse box
in the cargo area.
In the engine compartment1.Use the onboard vehicle tool kit to loosen
the three cover screws, arrow 1.2.Pull up the holder, arrow 2.Seite 214MobilityReplacing components214
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3.Remove the cover from one side, arrow 3.4.Press the four fasteners and remove the
cover.
Attaching the covers
1.When attaching the cover, make sure that
all four fasteners are engaged.2.Attach the cover under the rubber lip and
then thread it between the bars.3.Press down on the holder and tighten the
three screws.
In the cargo area
Fold up the cargo floor panel.
The fuses are located under a cover. To open
the cover, reach into the recessed grip on the
side and fold the cover open.
Information on the fuse types and locations is
found on a separate sheet.
After initial use, insert the sheet in the holding
fixture on the inside of the cover.
Seite 215Replacing componentsMobility215
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Engine oil filler neck 200
Engine oil temperature 80
Engine oil types, alterna‐ tive 201
Engine oil types, ap‐ proved 201
Engine start during malfunc‐ tion 35
Engine start, jump-start‐ ing 217
Engine start, refer to Starting the engine 65
Engine stop 65
Engine temperature 80
Entering a car wash 221
Equipment, interior 153
Error displays, see Check Control 77
ESP Electronic Stability Pro‐ gram, refer to DSC 118
Exchanging wheels/tires 194
Exhaust system 168
Exterior mirror, automatic dimming feature 58
Exterior mirrors 57
External start 217
External temperature dis‐ play 81
External temperature warn‐ ing 81
Eyes for securing cargo 172
F
Failure message, see Check Control 77
False alarm, refer to Uninten‐ tional alarm 46
Fan, refer to Air flow 147, 150
Filler neck for engine oil 200
Fine wood, care 223
First aid kit 217
Fitting for towing, see tow fit‐ ting 220 Flat tire, changing
wheels 213
Flat Tire Monitor FTM 103
Flat tire, Tire Pressure Moni‐ tor TPM 99
Flat tire, warning lamp 100, 103
Flooding 169
Floor carpet, care 224
Floor mats, care 224
Fogged up windows 147
Fold-out position, wiper 71
Foot brake 169
Front airbags 96
Front-end collision warning with braking function 108
Front-end collision warning with City Braking func‐
tion 105
Front fog lights 94
Front fog lights, front, bulb re‐ placement 210
Front lights 206
front-seat passenger airbags, automatic deactivation 98
Front-seat passenger airbags, indicator lamp 98
FTM Flat Tire Monitor 103
Fuel 186
Fuel consumption, current 82
Fuel consumption, refer to Average fuel consump‐
tion 86
Fuel filler flap 184
Fuel gauge 80
Fuel lid 184
Fuel quality 186
Fuel recommendation 186
Fuel, tank capacity 230
Fuse 214
G
Garage door opener, refer to Universal Integrated Remote
Control 153 Gasoline 186
Gear change, Steptronic transmission 72
Gear shift indicator 83
General driving notes 168
Glare shield 157
Glass sunroof, refer to Panor‐ amic glass sunroof 47
Glove compartment 162
Gross vehicle weight, ap‐ proved 229
H
Handbrake, refer to parking brake 67
Hand-held transmitter, alter‐ nating code 154
Hazard warning flashers 216
Head airbags 96
Headlight control, auto‐ matic 92
Headlight courtesy delay fea‐ ture 91
Headlight flasher 69
Headlight glass 206
Headlights 206
Headlights, care 222
Headlight washer system 69
Head restraints 50
Head restraints, front 54
Head restraints, rear 55
Head-up Display 89
Head-up Display, care 224
Heavy cargo, stowing 172
Height, vehicle 228
High-beam Assistant 93
High beams 69
High beams/low beams, refer to High-beam Assistant 93
Hills 170
Hill start assistant, refer to Drive-off assistant 123
Hints 6
Holder for beverages 164
Hood 198 Seite 235Everything from A to ZReference235
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Parking brake 67
Parking lights 91
Passenger side mirror, tilting downward 57
Pathway lines, rearview cam‐ era 137
PDC Park Distance Con‐ trol 133
Pedestrian warning with city braking function 111
Personal Profile 35
Personal Profile, exporting profiles 36
Personal Profile, importing profiles 36
Pinch protection system, glass sunroof 48
Pinch protection system, win‐ dows 47
Plastic, care 223
Power failure 214
Power windows 46
Pressure, tire air pres‐ sure 188
Pressure warning FTM, tires 103
Profile, refer to Personal Pro‐ file 35
Programmable memory but‐ tons, iDrive 24
Protective function, glass sunroof 48
Protective function, win‐ dows 47
Push-and-turn reel, refer to Controller 18, 19
R Radiator fluid 202
Radio-operated key, refer to Remote control 34
Radio ready state 64
Radio, see user's manual for Navigation, Entertainment
and Communication Rain sensor 70
Rear lights 213
Rear seat backrest, adjust‐ ing 161
Rear seat backrest tilt 161
Rear socket 158
Rear spoiler, active 120
Rear turn signal, bulb replace‐ ment 211
Rearview camera 136
Rearview mirror 57
Rear window de‐ froster 147, 150
Recirculated-air filter 151
Recirculated-air mode 147, 150
Recommended fuel grade 186
Recommended tire brands 194
Refueling 184
Remaining range 81
Remote control/key 34
Remote control, malfunc‐ tion 38
Remote control, univer‐ sal 153
Replacement fuse 214
Replacing parts 205
Replacing wheels/tires 194
Reporting safety defects 9
RES button 128
RES button, see Active Cruise Control, ACC 125
RES button, see Cruise con‐ trol 131
Reserve warning, refer to Range 81
Reset, Tire Pressure Monitor TPM 100
Retaining straps, securing cargo 172
Retreaded tires 194
Roadside parking lights 92
RON recommended fuel grade 186 Roofliner 17
Roof load lidacity 229
Roof-mounted luggage rack 173
Rope for tow-starting/ towing 219
RSC Run Flat System Com‐ ponent, refer to Run-flat
tires 195
Rubber components, care 223
Run-flat tires 195
S Safe braking 169
Safety 7
Safety belt reminder for driv‐ er's seat and front passen‐
ger seat 54
Safety belts 53
Safety belts, care 224
Safety reel, windows 47
Safety systems, airbags 96
Saving fuel 174
Screen, refer to Control Dis‐ play 18
Screwdriver, see Onboard ve‐ hicle tool kit 205
Screw thread, see screw thread for tow fitting, screw
thread for tow fitting 220
Seat and mirror memory 56
Seat belts, refer to Safety belts 53
Seat heating, front 53
Seat heating, rear 53
Seating position for chil‐ dren 60
Seats 50
Selection list in instrument cluster 85
Selector lever, Steptronic transmission 72
Sensors, care 224
Service and warranty 8 Seite 238ReferenceEverything from A to Z238
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Service requirements, Condi‐tion Based Service
CBS 203
Service requirements, dis‐ play 82
Service, Roadside Assis‐ tance 217
Services, ConnectedDrive
Servotronic 124
SET button, see Active Cruise Control, ACC 125
SET button, see Cruise con‐ trol 131
Settings, locking/unlock‐ ing 44
Settings on Control Dis‐ play 88
Settings, storing for seat, mir‐ ror 56
Shift paddles on steering wheel 73
Side airbags 96
Side View 138
Signaling, horn 14
Signals when unlocking 44
Sitting safely 50
Size 228
Slide/tilt glass roof 47
Smallest turning radius 228
Snow chains 195
Socket 157
Socket, OBD Onboard Diag‐ nostics 203
SOS button 216
Spare fuse 214
Specified engine oil types 201
Speed, average 86
Speed limit detection, com‐ puter 86
Speed limiter, display 83
Speed Limit Information 83
Speed warning 87
Split screen 23
SPORT+ - program, Dynamic Driving Control 122 Sport displays, torque dis‐
play, performance dis‐
play 87
SPORT program, Dynamic Driving Control 122
Sport program, transmis‐ sion 73
Sport steering, variable 120
Stability control systems 118
Start/stop, automatic func‐ tion 66
Start/Stop button 64
Start function during malfunc‐ tion 35
Starting the engine 65
Status control display, tires 100
Status information, iDrive 23
Status of Owner's Manual 6
Steering assistance 124
Steering wheel, adjusting 59
Steering wheel heating 59
Steptronic Sport transmis‐ sion 73
Steptronic transmission 72
Stopping the engine 65
Storage compartment in the rear 164
Storage compartments 162
Storage compartments, loca‐ tions 162
Storage, tires 195
Storing the vehicle 224
Summer tires, tread 193
Sun visor 157
Supplementary text mes‐ sage 80
Surround View 136
Switch for Dynamic Driv‐ ing 121
Switch-on times, parked-car ventilation 152
Switch, refer to Cockpit 14
Symbols 6
Symbols in the status field 23 T
Tachometer 80
Tailgate, automatic 39
Tailgate, closing with no- touch activation 42
Tailgate, Emergency unlock‐ ing 41
Tailgate, opening with no- touch activation 42
Tailgate via remote con‐ trol 37
Tail lights 211
Technical changes, refer to Safety 7
Technical data 228
Telephone, see user's manual for Navigation, Entertain‐
ment and Communication
Temperature, automatic cli‐ mate control 147, 149
Temperature display for ex‐ ternal temperature 81
Temperature, engine oil 80
Tempomat, refer to Active Cruise Control 125
Terminal, starting aid 218
Text message, supplemen‐ tary 80
Theft alarm system, refer to Alarm system 45
Thigh support 52
Tilt alarm sensor 46
Time of arrival 86
Tire damage 193
Tire identification marks 191
Tire inflation pressure 188
Tire inflation pressure moni‐ tor, refer to FTM 103
Tire Pressure Monitor TPM 99
Tires, changing 194
Tires, everything on wheels and tires 188
Tires, run-flat tires 195
Tire tread 193 Seite 239Everything from A to ZReference239
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