Useful information
This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that your vehicle may
not be equipped with all features
described. This also applies to safetyrelated
systems and functions.
Please read the information on qualified
specialist workshops.
See also:
Towing and tow-starting
WARNING
If you tow the vehicle, you must use a rigid
towing bar if:
• the engine is not running.
• there is a brake system malfunction.
• there is a malfunction in the power supply or the vehi ...
Problems with the SmartKey
Problem
Possible causes/consequences and
Solutions
You cannot lock or unlock the vehicle using
the SmartKey.
The SmartKey battery is discharged or nearly discharged.
...
BAS PLUS (Brake Assist System Plus)
BAS PLUS is only available in vehicles
equipped with DISTRONIC PLUS.
Observe the "Important safety
notes"
section.
At speeds above approximately
20 mph (30 km/h), BAS PLUS assists ...
