Mercedes-Benz B-Class 2011, Owner'S Manual

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permissible maximum speed for vehicle/
trailer combinations is above 100 km/h.
When towing a trailer, your vehicle's handling
characteristics will be different in comparison
to when driving without a trailer and it will
consume more fuel.
Change into a lower gear in good time on long
and steep downhill gradients. Vehicles with
automatic transmission: in order to do so, you
will need to have switched to manual drive
program M in advance (
Y
page 139).
i
This also applies if you have activated
cruise control, SPEEDTRONIC or DIS-
TRONIC PLUS.
This will use the braking effect of the engine,
so less braking will be required to prevent the
vehicle from gaining 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.
i
Vehicles with automatic transmis-
sion: if the accelerator pedal is depressed
briefly on downhill gradients while manual
drive program M is temporarily activated,
the automatic transmission may switch
back to the last active automatic drive pro-
gram E or S. The automatic transmission
may shift to a higher gear. This can reduce
the engine's braking effect.
Driving tips
If the trailer swings from side to side:
X
Do not accelerate.
X
Do not counter-steer.
X
Brake if necessary.
R
Maintain a greater distance from the vehi-
cle in front than when driving without a
trailer.
R
Avoid braking abruptly. If possible, brake
gently at first to allow the trailer to run on.
Then, increase the braking force rapidly.
R
The values given for gradient-climbing
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-
climbing capability, decrease with increas-
ing altitude.
Folding out the ball coupling
G WARNING
Make sure that the ball coupling is engaged,
either in its folded-out or folded-in position,
and that the indicator lamp is off.
Do not turn the release wheel when a trailer
is coupled up. Otherwise, the trailer might
detach.
Before you can tow a trailer with your vehicle,
you must fold out the ball coupling.
The release wheel is located behind the left-
hand side trim panel in the boot.
X
To open the cover: turn handle : anti-
clockwise and fold down cover ; and
remove it.
Towing a trailer
183
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