Mercedes-Benz GLC 200 4MATIC Owner's Manual page 190

Vehicles travelling in front, or oncoming vehi-
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cles, can create waves which may exceed the
maximum permissible depth of the water.
The braking effect of the brakes is reduced after
fording. Brake carefully, paying attention to the
traffic conditions until braking power has been
fully restored.
Function of rear axle steering
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This function is an on-demand feature
( page 22).
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The rear axle steering is an electromechanical
auxiliary steering on the rear axle which adjusts
the steering of the rear wheels according to the
position of the front wheels, depending on the
speed. This results in greater manoeuvrability and
improved driving stability, e.g. when cornering.
Rear axle steering has the following characteris-
tics:
reduced steering effort and turning circle
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resulting in reduced parking effort
improved driving stability, e.g. when cornering
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more direct steering resulting in improved
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handling of the vehicle
Observe the notes on snow chains and snow
chain mode ( page 422).
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Notes on off-road driving
& WARNING Risk of accident if you do not
keep to line of fall on inclines
If you drive at an angle or turn on an incline,
the vehicle could slip sideways, tip and roll-
over.
Always drive on inclines in the line of fall
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(straight up or down) and do not turn.
& WARNING Risk of fire due to flammable
material coming into contact with hot
parts of the exhaust system
If combustible materials, e.g. leaves, grass or
twigs, come into contact with hot parts of the
exhaust system, they may ignite.
Driving and parking 187
When driving off-road or on unpaved sur-
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faces, check the underside of the vehicle
at regular intervals.
In particular, remove any trapped parts
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of plants or other flammable material.
If damage should occur, immediately
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inform a qualified specialist workshop.
When driving off-road, sand, mud and water or
water mixed with oil, etc., may get into the brakes.
This may lead to a reduction in braking effect or
even a total brake failure as a result of increased
wear. The braking characteristics will vary
depending on the material that has entered the
system. 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 driv-
ing style to the changed braking characteristics.