See also:

Interior lighting control
Important notes In order to prevent the vehicle's battery from discharging, the interior lighting functions are automatically deactivated after some time except for when the SmartKey is in positio ...

NECK-PRO head restraints/NECKPRO luxury head restraints (except AMG vehicles)
NECK-PRO head restraints/NECK-PRO luxury head restraints increase protection of the driver's and front-passenger's head and neck. In the event of a rear collision of a certain severity, the NE ...

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-condition ...