Problems with trailer towing
Problem
Possible causes/consequences and
M
M
Solutions
The released ball cou-
pling cannot be
engaged.
X
Visit a qualified specialist workshop.
The ball coupling does
not unlock, even
though:
R
the vehicle is station-
ary.
R
no trailer cable is
connected
R
the release knob to
unlock the ball cou-
pling has been pulled
for more than a sec-
ond.
The on-board voltage is insufficient.
X
Start the engine.
If the ball coupling still does not unlock:
X
Visit a qualified specialist workshop.
298
Towing a trailer
Driving
and
parking
Summary of Contents for 2013 S-CLASS
Page 2: ......
Page 3: ......
Page 5: ......
Page 33: ...30 ...
Page 119: ...116 ...
Page 163: ...160 ...
Page 191: ...188 ...
Page 372: ...Useful information 370 Stowage areas 370 Features 378 369 Stowing and features ...
Page 441: ...438 ...
Page 489: ...486 ...
Page 490: ...487 ...
Page 491: ...488 ...
Page 492: ......
Page 493: ......