Page 220 of 297
218Driving and operating
Stowage of coupling ball bar
The bag with the coupling ball bar is
stowed in the load compartment.
Place the strap through the right rear lashing eye, wrap around twice and
tighten the strap to secure the bag.
Fitting the coupling ball bar
Disengage and fold down the socket. Remove the sealing plug from the
opening for the coupling ball bar and
stow it.
Checking the tensioning of the
coupling ball bar
■ Red marking on rotary knob must
point towards green marking on
coupling ball bar.
■ The gap between the rotary knob and the coupling ball bar must beapprox. 6 mm.
■ The key must be in position c.
Otherwise, the coupling ball bar must be tensioned before being inserted:
■ Unlock coupling ball bar by turning key to position c.
Page 221 of 297
Driving and operating219
■ Pull out rotary knob and turnclockwise as far as it will go.
Inserting the coupling ball bar
Insert the tensioned coupling ball bar
in the opening and push firmly
upwards until it audibly engages.
The rotary handle snaps back into its
original position resting against the
coupling ball bar without a gap.9 Warning
Do not touch rotary handle during
insertion.
Lock the coupling ball bar by turning
the key to position e. Remove the key
and close the protective flap.
Eye for break-away stopping cable
Attach breakaway stopping cable to
eye.
Check that the coupling ball bar is correctly installed
■ Green marking on rotary knob must
point towards green marking on
coupling ball bar.
■ There must be no gap between the
rotary handle and the coupling ball
bar.
Page 222 of 297
220Driving and operating
■The coupling ball bar must be firmly
engaged in the opening.
■ The coupling ball bar must be locked and the key removed.9 Warning
Towing a trailer is permitted only
when a coupling ball bar is fitted correctly. If the coupling ball bardoes not engage correctly, seekthe assistance of a workshop.
Dismounting the coupling ball
bar
Open the protective flap and turn the
key to position c to unlock the
coupling ball bar.
Pull out rotary handle and turn
clockwise as far as it will go. Pull out coupling ball bar downwards.
Insert sealing plug in opening. Fold away socket.
Trailer stability assist If the system detects snaking
movements, engine power is reduced
and the vehicle/trailer combination is
selectively braked until the snaking ceases. While system is working keep steering wheel as still as possible.
Trailer stability assist (TSA) is a
function of the Electronic Stability
Control 3 175.
Page 273 of 297
Technical data271Vehicle dataRecommended fluids and lubricantsEuropean service scheduleRequired engine oil qualityAll European countries
(except Belarus, Moldova, Russia, Serbia, Turkey)
Only Israel
Engine oil qualityPetrol engines
(including CNG, LPG, E85)Diesel enginesPetrol engines
(including CNG, LPG, E85)Diesel enginesdexos 1––✔–dexos 2✔✔–✔
In case dexos quality is unavailable you may use max. 1 litre engine oil quality ACEA C3 once between each oil change.
Engine oil viscosity grades
All European countries and Israel (except Belarus, Moldova, Russia, Serbia, Turkey)Ambient temperaturePetrol and diesel enginesdown to -25 °CSAE 5W-30 or SAE 5W-40below -25 °CSAE 0W-30 or SAE 0W-40
Page 274 of 297
272Technical data
International service scheduleRequired engine oil qualityAll countries outside Europe except Israel
Only Belarus, Moldova, Russia, Serbia, Turkey
Engine oil qualityPetrol engines
(including CNG, LPG, E85)Diesel enginesPetrol engines
(including CNG, LPG, E85)Diesel enginesdexos 1✔–––dexos 2–✔✔✔
In case dexos quality is unavailable you may use the oil qualities listed below:
All countries outside Europe except Israel
Only Belarus, Moldova, Russia, Serbia, Turkey
Engine oil qualityPetrol engines
(including CNG, LPG, E85)Diesel enginesPetrol engines
(including CNG, LPG, E85)Diesel enginesGM-LL-A-025✔–✔–GM-LL-B-025–✔–✔
Page 275 of 297
Technical data273
All countries outside Europeexcept Israel
Only Belarus, Moldova, Russia, Serbia, Turkey
Engine oil qualityPetrol engines
(including CNG, LPG, E85)Diesel enginesPetrol engines
(including CNG, LPG, E85)Diesel enginesACEA A3/B3✔–✔–ACEA A3/B4✔✔✔✔ACEA C3✔✔✔✔API SM✔–✔–API SN resource conserving✔–✔–
Engine oil viscosity grades
All countries outside Europe (except Israel),
including Belarus, Moldova, Russia, Serbia, TurkeyAmbient temperaturePetrol and diesel enginesdown to -25 °CSAE 5W-30 or SAE 5W-40below -25 °CSAE 0W-30 or SAE 0W-40down to -20 °CSAE 10W-30 1)
or SAE 10W-40 1)1)
Permitted, but usage of SAE 5W-30 or SAE 5W-40 with dexos quality is recommended.
Page 294 of 297

292
GGauges ....................................... 102
General information ...................216
Glass panel .................................. 33
Glovebox ..................................... 63
Graphic-Info-Display, Colour- Info-Display ............................ 119
H Halogen headlights ....................229
Hand brake ......................... 171, 172
Hazard warning flashers ............143
Headlight flash ........................... 138
Headlight range adjustment ......138
Headlights................................... 136
Headlights when driving abroad 139
Head restraint adjustment .............8
Head restraints ............................ 35
Heated mirrors ............................. 29
Heated rear window ..................... 32
Heated steering wheel .................95
Heating ........................................ 43
Heating and ventilation system . 148
High beam ......................... 114, 137
High beam assist ................114, 137
Hill start assist ........................... 173
Horn ....................................... 14, 95I
Identification plate .....................269
Ignition switch positions .............158
Immobiliser .......................... 27, 113
Indicators .................................... 102
Information displays.................... 115
Instrument cluster ......................102
Instrument panel fuse box .........241
Instrument panel illumination .....238
Instrument panel illumination control .................................... 145
Instrument panel overview ........... 10
Instrument panel storage ..............63
Interactive driving system ...........175
Interior care ............................... 264
Interior lighting ............................ 145
Interior lights ...................... 145, 237
Interior mirrors .............................. 29
Interruption of power supply ......169
Introduction .................................... 3
ISOFIX child restraint systems ....62
J Jump starting ............................. 259
K Keys ............................................. 19
Keys, locks ................................... 19L
Lane departure warning .....111, 205
Lashing eyes ............................... 86
Lighting features .........................146
Light switch ................................ 136
Load compartment ................24, 76
Load compartment cover .............79
Load compartment fuse box ......242
Loading information .....................92
Load rails and hooks ...................86
Low fuel ..................................... 113
Low washer fluid ........................114
M Malfunction indicator light ..........109
Manual anti-dazzle ......................29
Manual mode ............................. 168
Manual transmission .................. 170
Manual windows ..........................30
Memorised settings ......................21
Mirror adjustment ........................... 9
Misted light covers .....................144
N New vehicle running-in ..............158
Number plate light .....................237
O
Object detection systems ...192, 195
Odometer ................................... 102