Smart Key functions

See also:

Service and literature
Your vehicle is covered under the terms of the warranties printed in the Service and Warranty Information booklet. Your authorized Mercedes-Benz Center will exchange or repair any defective parts ...

Important safety notes
Service products include the following: • fuels (e.g. gasoline, diesel) • additives for exhaust gas aftertreatment (DEF) • lubricants (e.g. engine oil, transmission oil) • coolant • bra ...

Changing the battery
You require a CR 2025 3 V cell battery. •► Take the mechanical key out of the SmartKey •► Press mechanical key 2 into the opening in the SmartKey in the direction of the arrow unti ...