See also:

Problems with the seat ventilation
The seat ventilation has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. - Switch ...

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 ...

The Inside
Save a few minor flubs, the E-Class cabin is well-executed, highlighted by an intuitive Comand infotainment system, library-quiet noise levels, and a superb, optional Harman Kardon stereo. For a s ...