Changing the batteries
244
Changing the batteries
Notes
It is advisable to have the batteries replaced
at a qualified specialist workshop, e.g. at a
Mercedes-Benz Service Centre.
G
Risk of poisoning
Batteries contain toxic and caustic sub-
stances. For this reason, keep batteries
away from children.
If a battery is swallowed, consult a doctor
immediately.
H
Environmental note
Do not dispose of batteries with the house-
hold rubbish, as they contain highly toxic
substances.
Take discharged batteries to a qualified
specialist workshop, e.g. a Mercedes-Benz
Service Centre, or to a special collection
point for old batteries.
Key
Checking the batteries
X
Press the j or k button.
The batteries are in order if the battery
charge indicator lamp lights up briefly.
Changing the batteries
You require two CR 2025 3 V cell batteries.
X
Remove the emergency key element from
the key (Y page 241).
1
Emergency key element
2
To release the battery tray
3
To pull out the battery tray
4
Battery tray
X
Using emergency key element 1, press
the grey release catch in the opening in the
direction of arrow 2.
Battery tray 4 is released.
X
Pull battery tray 4 out of the key in the
direction of arrow 3.
X
Remove old batteries 1 from the battery
tray.
X
Insert the new batteries underneath con-
tact spring 2 with the positive terminal
facing upwards. Use a lint-free cloth to do
so.
X
Push the battery tray back into the key
housing until the battery tray engages.
X
Check the function of all key buttons on the
vehicle.
Practical advice
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