Page 220 of 329
218Driving and operating
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.
■ Pull out rotary knob and turn
clockwise 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.
Page 221 of 329

Driving and operating219
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.
■ 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.
All versions except 3-door hatchback:
Attach the rear side of the cover into
the recess of the bumper and fold the
front side upward.
Press fastenings outward.
Page 269 of 329
Vehicle care267
Install the wheel wrench ensuring
that it locates securely and loosen
each wheel nut by half a turn.
Variants 1b, 2 and 3 with foldable
wheel wrench:
Fold out the wheel wrench and
install ensuring that it locates
securely and loosen each wheel
nut by half a turn.
The wheels might be protected by
locking wheel nuts. To loosen
these specific nuts first attach the
key adapter onto the head of the
nut before installing the wheel
wrench. The key adapter is
located in the glovebox.
3. Ensure the jack is correctly positioned under the relevant
vehicle jacking point.
Some versions have sill
panellings with covered vehicle
jacking points: pull out the cover
at the respective jacking point
firstly.
4. 3-door / 5-door hatchback and
4-door saloon, jack variants 1a,
1b and 3, 3 255:
Page 271 of 329

Vehicle care269
10. Align the valve hole in the wheelcover with the tyre valve before
installing.
Install wheel nut caps.
Install centre cap on alloy wheels.
11. Install vehicle jacking point cover on versions with sill panelling.
12. Stow the replaced wheel 3 269,
the vehicle tools 3 255 and the
key adapter 3 60.
13. Check the tyre pressure of the installed tyre and the wheel nut
torque as soon as possible.
Have the defective tyre renewed or
repaired as soon as possible.Jacking position for lifting
platform
Rear arm position of the lifting
platform centrically under the recess
of the sill.
Front arm position of the lifting
platform at the underbody.
Spare wheel Some vehicles are equipped with a
tyre repair kit instead of a spare
wheel.
If mounting a spare wheel, which is
different from the other wheels, this
wheel might be classified as a
temporary spare wheel and the
corresponding speed limits apply,
even though no label indicates this.
Seek the assistance of a workshop to
check the applicable speed limit.
Page 274 of 329

272Vehicle care
Vehicles equipped with a temporary
spare wheel:
Secure a damaged full size wheel
outside up with the wing nut in the
spare wheel well after exchanging the thread bolt by an extension bolt,
placed in the tool bag 3 255. To
replace the bolt:
1. Install the hexagon key of the wheel wrench ensuring that it
locates securely on the bolt.
2. Turn the wheel wrench anticlockwise to loosen the bolt.
Remove the bolt.
3. Take the extension bolt from the tool bag 3 255 and screw it in
hand-tight using the hexagon key
of the wheel wrench.
4. Store the tool box and the damaged wheel outside up in the
spare wheel well and secure it by
turning the wing nut clockwise on
the bolt.
The floor cover can be placed on the
projecting wheel.
Replace the extension bolt with the
short bolt before placing the
temporary spare wheel in the well after renewing or repairing the
defective wheel.
Stowing the spare wheel back in the well after replacing the
damaged wheel
1. Open the floor cover, untwist and remove wing nut.
Only 3-door hatchback: open floor
cover, remove rear storage,
untwist and remove wing nut and
conus.
2. Only Sports tourer and 4-door saloon with temporary spare
wheel: replace the extension bolt
with the short bolt by using the
hexagon key of the wheel wrench.
3. Place the tools in the tool box or the tool bag 3 255.
4. Place spare wheel outside up in the wheel well and secure by
turning the wing nut right back.
Page 288 of 329
286Technical dataVehicle dataRecommended fluids and lubricantsEuropean service schedule
Required engine oil qualityAll European countries
(except Belarus, Moldova, Russia, 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, Turkey)Ambient temperaturePetrol and diesel enginesdown to -25 °CSAE 5W-30 or SAE 5W-40below -25 °CSAE 0W-30 or SAE 0W-40
Page 289 of 329
Technical data287
International service scheduleRequired engine oil qualityAll countries outside Europe except Israel
Only Belarus, Moldova, Russia, 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, 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 290 of 329
288Technical data
All countries outside Europeexcept Israel
Only Belarus, Moldova, Russia, 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, 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.