Mercedes-Benz recommends that you have the
battery replaced at a qualified specialist work‐
shop.
#
Remove the emergency key (
→
page 74).
#
Press release button
2
down fully and slide
cover
1
in the direction of the arrow.
#
Fold out cover
1
in the direction of the
arrow and remove.
#
Remove battery compartment
3
and take
out the discharged battery.
#
Insert the new battery into battery compart‐
ment
3
. Observe the positive pole marking
in the battery compartment and on the bat‐
tery when doing this.
#
Push in battery compartment
3
.
#
Re-attach cover
1
and push it until it
engages.
Problems with the key
Problem
Possible causes/consequences and
M
M
Solutions
You can no longer lock or unlock the
vehicle.
Possible causes:
R
The key battery is weak or discharged.
R
There is interference from a powerful radio signal source.
R
The key is faulty.
Opening and closing 75
Summary of Contents for E-Class Cabriolet 2018
Page 2: ......
Page 3: ......
Page 9: ...6 At a glance Cockpit ...
Page 11: ...Instrument display standard 8 At a glance Warning and indicator lamps ...
Page 13: ...Instrument display in the widescreen cockpit 10 At a glance Warning and indicator lamps ...
Page 15: ...12 At a glance Overhead control panel ...
Page 17: ...14 At a glance Door control panel and seat adjustment ...
Page 19: ...16 At a glance Emergencies and breakdowns ...
Page 192: ...select the drive programs using the DYNAMIC SELECT switch page 167 Driving and parking 189 ...
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Page 551: ......
Page 552: ......
Page 553: ......