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Driving and the Environment
Driving through bodies of water on roads
In order to avoid damage to the vehicle when driving through bodies of water (e.g.
flooded roads), observe the following:
● Determine the depth of the water when driving through bodies of water. The
water can reach at the maximum the web on the lower sill of the vehicle
● Drive no more than at walking speed. At a higher speed, a water wave can
form in front of the vehicle which can cause water to penetrate into the air induc-
tion system of the engine or into other parts of the vehicle.
● Never let the vehicle stand in the water, never drive backwards and do not
switch off the engine.
WARNING
● Driving through water, mud, sludge etc. can reduce the braking power and
extend the braking distance - risk of accident!
● Avoid sudden and severe braking manoeuvres immediately after driving
through bodies of water.
● After driving through bodies of water, the brakes must be cleaned and
dried as soon as possible by intermittent braking. Only apply the brakes for
the purpose of drying and cleaning the brake discs if the traffic conditions per-
mit this. Do not place any other road users in jeopardy.
CAUTION
● When driving through bodies of water, parts of the vehicle such as the engine,
gearbox, catalytic converter, chassis or electrics can be severely damaged.
● Oncoming vehicles can generate water waves which can exceed the permissi-
ble water level for your vehicle.
Fig. 119 Crossing bodies of water
⇒ f ig.
119.
● Potholes, mud or rocks can be hidden under the water making it difficult or im-
possible to drive through the body of water.
● Do not drive through salt water. The salt can lead to corrosion. Immediately
rinse all the parts of the vehicle, which came into contact with the salt water, with
fresh water.
Note
After driving through a body of water, we recommend that the vehicle is checked
by a specialist garage.
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