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Practical advice
Towing and tow-starting
Start the engine of the donor vehicle and
X
run it at idling speed.
Connect negative terminal
3
X
battery to earth point
4
of your vehi-
cle using the jump lead, connecting the
jump lead to the donor battery first.
Start the engine.
X
Electrical consumers can be switched on
X
again. Do not switch the lights on however,
as this will overload the battery.
Remove the jump lead from earth
X
point
4
and negative terminal
then from positive terminal
2
terminal 1, each time disconnecting from
the battery on your own vehicle first.
Have the battery checked at a qualified
X
specialist workshop, e.g. a Mercedes-Benz
Service Centre.
234
Towing and tow-starting
Points to remember
of the donor
G Risk of accident
If you tow the vehicle, you must use a rigid
towing bar if:
the engine is not running
R
there is a brake system malfunction
R
the voltage supply or the vehicle's elec-
R
trical system is damaged
There is no power assistance for the steer-
3
first,
ing when the engine is not running.
and positive
It is better to have the vehicle transported
than to have it towed.
When towing, observe the legal requirements
in all countries concerned.
!
When towing, pull away slowly and with-
out jerking. If the tractive power is too high,
the vehicles could be damaged. Do not use
the towing eye for recovery.
!
You may tow the vehicle for a maximum
of 50 km. A towing speed of 50 km/h must
not be exceeded.
With towing distances over 50 km, the
entire vehicle needs to be lifted up and
transported.
!
Only secure the tow cable or towing bar
to the towing eyes. You may otherwise
damage the vehicle.
Vehicles with an automatic transmission*
R
must not be tow-started.
If the engine does not start, try jump-start-
R
ing it (
page 233).
Y
If it is not possible to jump-start the vehicle,
R
have it towed to the nearest qualified spe-
cialist workshop, e.g. a Mercedes-Benz
Service Centre.
If the vehicle has suffered transmission
R
damage, it must only be towed with the rear
axle raised.
The selector lever must be in position N on
R
vehicles with automatic transmission*.
If you are towing the vehicle over a consid-
R
erable distance, this may only be done with
the rear axle raised.
The ignition must be switched off if you are
R
towing the vehicle with the front/rear axle
®
raised. Intervention by ESP
wise damage the brake system.
Before towing the vehicle, make sure that
R
the battery is connected and charged. Oth-
erwise:
could other-
* optional
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