Fuse box in the trunk
•► Open the trunk lid

•► To open: release cover 1 at the top right and left-hand sides with a flat object.
•► Open cover 1 downwards in the direction of the arrow.
See also:
Problems with the SmartKey
Problem
Possible causes/consequences and Solutions
You cannot lock or
unlock the vehicle
using the SmartKey.
The SmartKey battery is discharged or nearly discharged ...
Important safety notes
WARNING
For reasons of safety, have the NECK-PRO
head restraints/NECK-PRO luxury head
restraints checked at an authorized
Mercedes-Benz Center after a rear-end
collision.
WARNING
When p ...
Roadside Assistance button
X Press and hold Roadside Assistance button 1 for more than two seconds. This
initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator
lamp in Roadside Assistance button 1 ...
