Mercedes-Benz E-Class Saloon Owner's Manual page 544

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542 Display messages and warning/indicator lamps

Display messages

Possible causes/consequences and

Let fresh air into the vehi-

cle interior! Air condition-

ing malf. Visit workshop

* The stationary heater is temporarily malfunctioning.

inoperative See Owner's

* There is too little fuel in the fuel tank. The stationary heater cannot be switched on.

inoperative Refuel vehicle

* The on-board electrical system voltage is too low.

& WARNING Risk of injury and accident due to an insufficient supply of fresh air

If the climate control system is malfunctioning, carbon dioxide levels may increase in the passenger compart‐

ment. Breathing in carbon dioxide may cause dizziness.

Open the window to ensure that there is a sufficient supply of fresh air.

Open the window to ensure that there is an adequate supply of fresh air.

Consult a qualified specialist workshop immediately.

When the vehicle is on a level surface and the engine has cooled down, make up to four attempts to switch on

the stationary heater, waiting several minutes between each attempt.

If the stationary heater does not switch on, consult a qualified specialist workshop.

Refuel the vehicle.

The stationary heater has switched itself off.

Drive for an extended period until the battery has reached a sufficient charge level again.