Safety
See also:
Reporting malfunctions relevant to
safety
For the USA only:
The following text is reproduced as required
of all manufacturers according to Title 49,
Code of U.S. Federal Regulations, Part 575
pursuant to the National Traffic and Motor ...
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.
...
Engine oil
Please bear the following in mind
The engine oils are matched to the
performance of Mercedes-Benz engines and
service intervals. You should therefore only
use engine oils and oil filters that a ...