Proceed as follows the next time you drive out‐
side of built-up areas for around 30 minutes.
With petrol engine:
▷ Deactivate cruise Control systems.
▷ Take your foot off the accelerator repeatedly
and allow the vehicle to roll in overrun mode.
For further information:
Make use of overrun mode, see page 349.
▷ If possible, drive at alternating speeds.
Radio signals
WARNING
Certain vehicle functions may be affected by in‐
terference from high-frequency radio signals.
Such signals are output from a series of trans‐
mission systems, for example from air traffic
beacons or relay stations for mobile telecom‐
munications.
We recommend you consult your Service Cen‐
tre should you experience any difficulties.
Mobile communication in the
vehicle
WARNING
There is a possibility of reciprocal interference
between the vehicle electronics and mobile
radio devices. Radiation is generated when mo‐
bile radio devices are transmitting. There is a
risk of injury or material damage. If possible,
only use mobile radio devices, for example mo‐
bile telephones, in the interior if they are con‐
nected directly to an external aerial in order to
eliminate reciprocal interference and to divert
the radiation away from the vehicle's interior.
Aquaplaning
On wet or slushy roads, a wedge of water can
form between the tyres and the road.
This situation, known as aquaplaning, means that
the tyre can actually lose contact completely with
the road surface and the vehicle can neither be
steered, nor the brakes properly applied.
Driving through water
General
Please comply with the following when driving
through water:
▷ Deactivate the Automatic Start/Stop function.
▷ Only drive through still water.
▷ Only drive through water up to a max. depth
of 25 cm, 9.8 in.
▷ Drive through water at a walking speed of no
more than 5 km/h, 3 mph.
Safety note
NOTE
Driving through excessively deep water too fast
can result in water entering the engine com‐
partment, electrical system or transmission.
There is a risk of material damage. When driv‐
ing through water, do not exceed the maximum
water depth and speed specified above.
Safe braking
General
The vehicle is equipped with an Anti-lock Brake
System ABS as standard.
Perform full braking in situations that require it.
The vehicle remains steerable. Any obstacles
can be avoided by steering as smoothly as possi‐
ble.
A pulsing of the brake pedal and hydraulic regu‐
lating sounds indicate that the Anti-lock Brake
System ABS is functioning.
In certain braking situations, the perforated brake
discs can cause functional noise. However, the
Seite 338
DRIVING HINTS
Driving precautions
338
Online Edition for Part no. 01405A1EA53 - X/20
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