Switching on/off
The three red indicator lamps in the button indicate the heating level you have selected.
If the battery voltage is too low, the seat heating may switch off.
Driver's and front-passenger seat
Rear seats
The system automatically switches down from level 3 to level 2 after about eight minutes (driver's seat and front-passenger seat) or five minutes (rear seats).
The system automatically switches down from level 2 to level 1 after approximately ten minutes.
The system automatically switches off approximately 20 minutes after it is set to level 1.
•► Make sure that the SmartKey is in position 2 in the ignition lock.
•► To switch on: press button 1 repeatedly until the desired heating level is set.
•► To switch off: press button 1 repeatedly until all the indicator lamps go out.
See also:
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 until batte ...
Service messages
Information on the type of service and service
intervals (see separate Service Booklet).
You can obtain further information from an
authorized Mercedes-Benz Center or at
http://www.mbusa.com (U ...
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 Ve ...