Mercedes-Benz GLC Series Operator's Manual page 152

150 Driving and parking
Clean the brakes after driving off-road. If you
then notice reduced braking effect or hear
scraping noises, have the brake system checked
at a qualified specialist workshop. Adapt your
driving style to the changed braking characteris‐
tics.
* NOTE Damage caused by driving over
obstacles
The vehicle can be damaged by:
driving up onto high curbs or unpaved
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roads.
quickly driving over obstacles such as
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curbs, speed bumps or potholes.
heavy objects hitting the underbody or
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chassis components.
Do not drive over obstacles that could
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damage the vehicle.
Check the vehicle regularly for damage
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during off-road driving.
Adjust the vehicle speed to suit the
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road surface conditions.
If there is damage, consult a qualified
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specialist workshop immediately.
+ ENVIRONMENTAL NOTE Environmental
damage due to non-observance of pro‐
hibition signs
Environmental protection has priority. Treat
nature with respect.
Be sure to observe prohibition signs.
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Checklist before driving off-road
Check the following points before driving off-
road:
Fuel level
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Engine oil level: fill engine oil to the maxi‐
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mum level to ensure full gradeability
( page 284).
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Tire-change tool kit and spare wheel
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Tires and wheels
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Off-road driving
Read this section before driving your vehicle off-
road. Practice by driving over more gentle off-
road terrain first.
Observe the notes on the cross-country ABS
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( page 173).
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If necessary, select the F or G drive
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program (vehicles with Off-road package)
before driving off-road ( page 156).
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Select a vehicle level suitable for off-road ter‐
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rain ( page 208). To avoid damaging the
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vehicle, make sure there is always sufficient
ground clearance.
Always keep the engine running and in gear
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when driving on downhill gradients and
slopes. Observe the notes on driving in
mountainous terrain.
Do not drive on unknown terrain that is not
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easily visible and stay on marked routes.
Always keep the doors and windows closed
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while the vehicle is in motion.
Deactivate Active Distance Assist DISTRONIC
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and cruise control.