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 198MobilityEngine compartment198
Online Edition for Part no. 01 40 2 956 725 - X/14
Vehicle batteryMaintenance
The battery is maintenance-free.
The added amount of acid is sufficient for the
service life of the battery.
Further information about the battery can be
obtained from your service center.
Battery replacement Use approved vehicle batteries only
Only use vehicle batteries that have been
approved for your vehicle by the manufacturer;
otherwise, the vehicle could be damaged and
systems or functions may not be fully availa‐
ble.◀
After a battery replacement, have the battery
registered on the vehicle by your service cen‐
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 the12 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 219, 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 and sliding visor: initialize
the system, refer to page 50.
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.
Seite 215Replacing componentsMobility215
Online Edition for Part no. 01 40 2 956 725 - X/14
In the engine compartment1.Use the onboard vehicle tool kit to loosen
the three cover screws, arrow 1.2.Pull up the holder, arrow 2.3.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.
Information on the fuse types and locations is
found on a separate sheet.
Seite 216MobilityReplacing components216
Online Edition for Part no. 01 40 2 956 725 - X/14
Emergency unlocking, trunklid 43
Energy recovery, CHARGE 71
Engine, automatic off 69
Engine compartment 198
Engine compartment, work‐ ing in 199
Engine coolant 203
Engine oil 200
Engine oil, adding 201
Engine oil additives 201
Engine oil change 202
Engine oil filler neck 201
Engine oil temperature 87
Engine oil types, alterna‐ tive 202
Engine oil types, ap‐ proved 202
Engine start during malfunc‐ tion 37
Engine start, jump-start‐ ing 218
Engine temperature 87
Entering a car wash 223
Equipment, interior 156
Error displays, see Check Control 83
ESP Electronic Stability Pro‐ gram, refer to DSC 124
Exchanging wheels/tires 195
Exhaust system 172
Exterior mirror, automatic dimming feature 60
Exterior mirrors 59
External start 218
External temperature dis‐ play 87
External temperature warn‐ ing 87
Eyes for securing cargo 176
F
Failure message, see Check Control 83 False alarm, refer to Uninten‐
tional alarm 47
Fan, refer to Air flow 152
Filler neck for engine oil 201
Fine wood, care 225
First aid kit 218
Fitting for towing, see tow fit‐ ting 221
Flat tire, changing wheels 214
Flat Tire Monitor FTM 109
Flat tire, Tire Pressure Moni‐ tor TPM 105
Flat tire, warning lamp 106, 109
Flooding 173
Floor carpet, care 226
Floor mats, care 226
Fold down the rear seat back‐ rest, see Though-loading
system 162
Fold-out position, wiper 75
Foot brake 173
Front airbags 102
Front-end collision warning with braking function 114
Front-end collision warning with City Braking func‐
tion 111
Front fog lights 100
Front fog lights, front, bulb re‐ placement 211
Front lights 207
front-seat passenger airbags, automatic deactivation 104
Front-seat passenger airbags, indicator lamp 104
FTM Flat Tire Monitor 109
Fuel 188
Fuel consumption, refer to Average fuel consump‐
tion 92
Fuel filler flap 186
Fuel gauge 87
Fuel lid 186
Fuel quality 188 Fuel recommendation 188
Fuel, tank capacity 231
Functions, hybrid system 31
Fuse 215
G
Garage door opener, refer to Universal Integrated Remote
Control 156
Gasoline 188
Gear change, Steptronic transmission 76
Gear shift indicator 89
General driving notes 172
Glare shield 160
Glass sunroof, powered 49
Glove compartment 164
Gross vehicle weight, ap‐ proved 231
H
Handbrake, refer to parking brake 71
Hand-held transmitter, alter‐ nating code 157
Hazard warning flashers 217
Head airbags 102
Headlight control, auto‐ matic 98
Headlight courtesy delay fea‐ ture 97
Headlight courtesy delay fea‐ ture, remote control 46
Headlight flasher 73
Headlight glass 207
Headlights 207
Headlights, care 224
Headlight washer system 73
Head restraints 52
Head restraints, front 56
Head restraints, rear 57
Head-up Display 95
Head-up Display, care 226
Heavy cargo, stowing 176 Seite 235Everything from A to ZReference235
Online Edition for Part no. 01 40 2 956 725 - X/14
Opening and closing, withoutremote control 41
Opening and closing, with re‐ mote control 39
Opening the trunk lid with no- touch activation 44
Operating concept, iDrive 18
Optional equipment, standard equipment 6
Outside air, refer to Auto‐ matic recirculated-air con‐
trol 152
Overheating of engine, refer to Coolant temperature 87
P Paint, vehicle 224
Parallel parking assistant 145
Park Distance Control PDC 137
Parked-car ventilation 153
Parked vehicle, condensa‐ tion 174
Parking aid, refer to PDC 137
Parking assistant 145
Parking brake 71
Parking lights 97
Passenger side mirror, tilting downward 60
Pathway lines, rearview cam‐ era 141
PDC Park Distance Con‐ trol 137
Pedestrian warning with city braking function 117
Personal Profile 37
Personal Profile, exporting profiles 38
Personal Profile, importing profiles 38
Pinch protection system, glass sunroof 50
Pinch protection system, win‐ dows 48
Plastic, care 225 Power failure 215
Power sunroof, glass 49
Power windows 48
Pressure, tire air pres‐ sure 190
Pressure warning FTM, tires 109
Profile, refer to Personal Pro‐ file 37
Programmable memory but‐ tons, iDrive 24
Protective function, glass sunroof 50
Protective function, win‐ dows 48
Push-and-turn reel, refer to Controller 18, 19
R Radiator fluid 203
Radio-operated key, refer to Remote control 36
Radio ready state 67
Radio, see user's manual for Navigation, Entertainment
and Communication
Rain sensor 74
Rear lights 214
Rear socket 161
Rear turn signal, bulb replace‐ ment 212
Rearview camera 140
Rearview mirror 59
Rear window defroster 152
Recirculated-air filter 153
Recirculated-air mode 152
Recommended fuel grade 188
Recommended tire brands 195
Refueling 186
Remaining range 88
Remote control/key 36
Remote control, auxiliary air conditioning, key 155 Remote control, malfunc‐
tion 40
Remote control, univer‐ sal 156
Replacement fuse 215
Replacing parts 206
Replacing wheels/tires 195
Reporting safety defects 10
RES button 132
RES button, see Active Cruise Control, ACC 129
RES button, see Cruise con‐ trol 135
Reserve warning, refer to Range 88
Reset, Tire Pressure Monitor TPM 106
Residual cooling 154
Retaining straps, securing cargo 176
Retreaded tires 195
Roadside parking lights 98
Roller sunblinds 49
RON recommended fuel grade 188
Roofliner 17
Roof load lidacity 231
Roof-mounted luggage rack 177
Rope for tow-starting/ towing 220
RSC Run Flat System Com‐ ponent, refer to Run-flat
tires 196
Rubber components, care 225
Run-flat tires 196
S Safe braking 173
Safety 7
Safety belt reminder for driv‐ er's seat and front passen‐
ger seat 56
Safety belts 55 Seite 238ReferenceEverything from A to Z238
Online Edition for Part no. 01 40 2 956 725 - X/14
Safety belts, care 225
Safety of the hybrid sys‐ tem 221
Safety reel, windows 49
Safety systems, airbags 102
Saving fuel 178
Screen, refer to Control Dis‐ play 18
Screwdriver, see Onboard ve‐ hicle tool kit 206
Screw thread, see screw thread for tow fitting, screw
thread for tow fitting 221
Seat and mirror memory 58
Seat belts, refer to Safety belts 55
Seat heating, front 55
Seat heating, rear 55
Seating position for chil‐ dren 62
Seats 52
Selection list in instrument cluster 91
Selector lever, Steptronic transmission 76
Sensors, care 226
Service and warranty 8
Service requirements, Condi‐ tion Based Service
CBS 204
Service requirements, dis‐ play 88
Service, Roadside Assis‐ tance 218
Services, ConnectedDrive
Servotronic 128
SET button, see Active Cruise Control, ACC 129
SET button, see Cruise con‐ trol 135
Settings, locking/unlock‐ ing 45
Settings on Control Dis‐ play 94
Settings, storing for seat, mir‐ ror 58 Shift paddles on steering
wheel 78
Side airbags 102
Side View 142
Signaling, horn 14
Signals when unlocking 45
Silent Start, electric drive readiness 68
Sitting safely 52
Size 230
Slide/tilt glass roof 49
Smallest turning radius 230
Snow chains 196
Socket 160
Socket, OBD Onboard Diag‐ nostics 204
SOS button 217
Spare fuse 215
Specified engine oil types 202
Speed, average 92
Speed limit detection, com‐ puter 92
Speed limiter, display 89
Speed Limit Information 89
Speed warning 93
Split screen 23
SPORT+ - program, Dynamic Driving Control 127
Sport displays, torque dis‐ play, performance dis‐
play 93
SPORT program, Dynamic Driving Control 127
Sport program, transmis‐ sion 77
Sport steering, variable 126
Stability control systems 124
Standing air conditioning, re‐ mote control 46
Start/Stop button 67
Start function during malfunc‐ tion 37
Starting the combustion en‐ gine 68 Status control display,
tires 106
Status information, iDrive 23
Status of Owner's Manual 7
Steering assistance 128
Steering wheel, adjusting 61
Steering wheel heating 61
Steptronic Sport transmis‐ sion 78
Steptronic transmission 76
Storage compartments 164
Storage compartments, loca‐ tions 164
Storage, tires 196
Storing the vehicle 226
Summer tires, tread 194
Sun visor 160
Supplementary text mes‐ sage 86
Surround View 140
Switch for Dynamic Driv‐ ing 126
Switch-on times, parked-car ventilation 154
Switch, refer to Cockpit 14
Symbols 6
Symbols in the status field 23
T Tachometer 87
Tail lights 212
Technical changes, refer to Safety 7
Technical data 230
Telephone, see user's manual for Navigation, Entertain‐
ment and Communication
Temperature, automatic cli‐ mate control 151
Temperature display for ex‐ ternal temperature 87
Temperature, engine oil 87
Tempomat, refer to Active Cruise Control 129
Terminal, starting aid 219 Seite 239Everything from A to ZReference239
Online Edition for Part no. 01 40 2 956 725 - X/14