Mercedes-Benz E-Class Coupe 2022 Owner's Manual page 157

154 Climate control
154
There is a risk of fatal injury.
Keep batteries out of the reach of chil-
#
dren.
If the cover and/or lid of the battery
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compartment does not close securely,
do not use the key and keep it away from
children.
If batteries are swallowed, seek medical
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attention immediately.
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ENVIRONMENT ENVIR ONMENTAL NO AL NOTE TE Environmental
damage due to improper disposal of bat-
teries
Batteries contain toxic and corro-
sive substances.
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Take discharged batteries to a
quali ed specialist workshop or to a col-
lection point for used batteries.
R R eq equir uirements: ements:
One CR2450 lithium battery
R
Mercedes-Benz recommends that you have the
battery replaced at a quali ed specialist work-
shop.
Push a pointed object into recess 1.
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Slide battery cover 2 backwards in the direc-
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tion of the arrow and remove the empty bat-
tery.
Insert new battery 3 with the lettering facing
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upwards.
Slide battery cover 2 in the opposite direc-
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tion to the arrow onto the remote control until
the battery cover engages.
R R ectifying pr ectifying problems wit oblems with t h the r he remot emote contr
t t he st he stationar ationary heat y heater/v er/ventilation entilation
F F AIL AIL ¨ ¨ appear appears on t s on the r he remot emote contr e control display
Possible cause:
Signal transmission between the transmitter
R
and receiver is malfunctioning.
Change your position in relation to the vehicle,
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moving closer if necessary.
F F AIL appear AIL appears on t s on the r he remot emote contr e control display
Possible cause:
The starter battery is not su ciently charged.
R
Charge the starter battery.
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e control f ol for or
ol display
ol display