Mercedes-Benz GL-Class 2009 Owner's Manual page 252

wobuchh,
Auxiliary heating/ventilation*
Display messages
$
©
Parking up the vehicle
Problem
The vehicle is to be left
parked up for longer
than four weeks.
The vehicle is to be left
parked up for longer
than six weeks.
* optional
Possible causes/consequences and X X Solutions
FAIL The starter battery is not charged sufficiently or the system
is faulty.
Charge the starter battery.
X
Make another attempt to switch on the auxiliary heating
X
using the remote control.
Have the auxiliary heating checked at a qualified specialist
X
workshop.
FAIL The signal transmission between the transmitter and the vehi-
cle is faulty.
Change your position in relation to the vehicle, moving
X
closer if necessary.
Make another attempt to switch the auxiliary heating on or
X
off using the remote control.
FAIL There is not enough fuel in the fuel tank, or the auxiliary heat-
ing is faulty.
Refuel at the nearest filling station.
X
Make another attempt to switch on the auxiliary heating
X
using the remote control.
Have the auxiliary heating checked at a qualified specialist
X
workshop.
Possible causes/consequences and X X Solutions
The battery can be damaged through exhaustive discharge.
Disconnect the battery (
X
charger.
i
Have the battery checked at a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre.
Damage resulting from non-use may occur if the vehicle is parked
up for long periods.
Visit a qualified specialist workshop and seek advice.
X
Version: 2.11.8.1
Troubleshooting
page 273) or connect to a trickle
Y
249
Z