See also:

Setting the airflow
- Turn the SmartKey to position 2 in the ignition lock. - To increase: press the button. - To reduce: press the button. You can use automatic climate control to set the airflow in the re ...

Warning and indicator lamps
1 ABS 2 The lamp lights up briefly, but has no function. 3 Brakes (USA only) 4 ESP® 5 Distance warning signal On vehicles without DISTRONIC, the lamp lights up briefly but has no functi ...

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-conditioni ...