Mercedes-Benz E-Class Operator's Manual page 90

Doors
88
Problem
You have lost the
mechanical key.
The engine cannot be
started using the
SmartKey.
The engine cannot be
started using KEYLESS-
GO. The SmartKey is in
the vehicle.
Doors
Important safety notes
G WARNING
If children are left unsupervised in the vehicle,
they could:
open the doors, thus endangering other
R
people or road users.
get out and disrupt traffic.
R
operate the vehicle's equipment.
R
Additionally, children could set the vehicle in
motion if, for example, they:
release the parking brake.
R
shifting the automatic transmission out of
R
park position P
Start the engine.
R
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
Possible causes/consequences and M M Solutions
Report the loss immediately to the vehicle insurers.
X
If necessary, have the locks changed as well.
X
The on-board voltage is too low.
Switch off non-essential consumers, e.g. seat heating or interior
X
lighting, and try to start the engine again.
If this does not work:
Check the starter battery and charge it if necessary
X
( page 360).
Y
or
Jump-start the vehicle (
X
or
Consult a qualified specialist workshop.
X
The vehicle is locked.
Unlock the vehicle and try to start the vehicle again.
X
There is interference from a powerful source of radio waves.
Start your vehicle with the SmartKey in the ignition lock.
X
Ideally, place luggage or loads in the trunk/
cargo compartment. Observe the loading
guidelines (
You can open a door from inside the vehicle
even if it has been locked. If the vehicle has
been locked with the SmartKey or with
KEYLESS-GO, opening a door from the inside
page 362).
Y
vehicle. Always keep the SmartKey out of
reach of children.
G
WARNING
If persons, particularly children are subjected
to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle.
page 298).
Y
Unlocking and opening doors from
the inside