Driving Tips - Mercedes-Benz GLK 350 4MATIC Operator's Manual

General notes
Do not exceed the legally prescribed
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maximum speed for vehicle/trailer
combinations in the relevant country.
This lowers the risk of an accident.
Only install an approved trailer coupling on
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your vehicle.
Further information on availability and on
installation is available from any authorized
Mercedes-Benz Center.
The bumpers of your vehicle are not
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suitable for installing detachable trailer
couplings.
Do not install hired trailer couplings or
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other detachable trailer couplings on the
bumpers of your vehicle.
To reduce the risk of damage to the ball
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coupling, remove it from the ball coupling
recess when not in use.
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When towing a trailer, set the tire
pressure on the rear axle of the towing
vehicle for a maximum load; see the tire
pressure table in the fuel filler flap
( page 351).
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Please note that when towing a trailer,
PARKTRONIC ( page 185) is only available
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with limitations or not at all.
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On vehicles without level control, the
height of the ball coupling will alter
according to the load placed on the vehicle.
If necessary, use a trailer with a height-
adjustable drawbar.
You will find installing dimensions and loads
under "Technical data" (

Driving tips

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Observe the notes on ESP
stabilization ( page 71).
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The maximum permissible speed for vehicle/
trailer combinations depends on the type of
trailer. Before beginning the journey, check
the trailer's documents to see what the
maximum permissible speed is. Observe the
page 376).
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®
trailer
I n f o r m a t i o n P r o v i d e d b y :
legally prescribed maximum speed in the
relevant country.
For certain Mercedes-Benz vehicles, the
maximum permissible rear axle load is
increased when towing a trailer. Refer to the
"Technical data" section to find out whether
this applies to your vehicle.
If you utilize any of the added maximum rear
axle load when towing a trailer, the vehicle/
trailer combination may not exceed a
maximum speed of 60 mph (100 km/h) for
reasons concerning the operating permit.
This also applies in countries in which the
permissible maximum speed for vehicle/
trailer combinations is above 60 mph
(100 km/h).
When towing a trailer, your vehicle's handling
characteristics will be different in comparison
with when driving without a trailer.
Use the left-hand paddle shifter to shift into
a lower gear in good time on long and steep
downhill gradients.
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This also applies if you have activated
cruise control.
This will use the braking effect of the engine,
so that less braking will be required to
maintain the speed. This relieves the load on
the brake system and prevents the brakes
from overheating and wearing too quickly. If
you need additional braking, depress the
brake pedal repeatedly rather than
continuously.
Driving tips
Maintain a greater distance from the
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vehicle in front than when driving without a
trailer.
Avoid braking abruptly. If possible, brake
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gently at first to allow the trailer to run on.
Then, increase the braking force rapidly.
The values given for gradient-climbing
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capabilities from a standstill refer to sea
level. When driving in mountainous areas,
note that the power output of the engine
and, consequently, the vehicle's gradient-
Towing a trailer
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213