Mercedes-Benz GLK-Class: 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:
Special operating conditions
If you operate your vehicle primarily in any of the following conditions,
you need to perform additional maintenance as indicated. If you
occasionally operate your vehicle under any of these conditions, it is
not necessary to perform the additiona ...
Spark plugs
Be sure the engine and ignition switch
are off and that the parking brake is
engaged securely.
Be sure to use the correct socket to
remove the spark plugs. An incorrect
socket can damage the spark plugs. ...

Windshield wipers