Refrigerant of the air-conditioning system
The air-conditioning system is filled with R134a refrigerant and a special PAG lubricant.
Never use refrigerant R 12 (CFC) or
mineral lubricants. Otherwise, you could
damage the air-conditioning system.
See also:
General information
WARNING
All categories of messages contain important information which should be taken
note of and,
where a malfunction is indicated, addressed as soon as possible at an authorized
M ...
Important safety notes
WARNING
Only use roof racks approved by Mercedes- Benz for your vehicle model to avoid
damage to the vehicle.
Follow the manufacturer's installation instructions. Otherwise, an improperly ...
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 battery tra ...
