Mercedes-Benz E-Class: General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged.
•► Check the battery in the SmartKey and replace it if necessary.
•► Unlock the driver's door using the mechanical key.
•► Lock the vehicle using the mechanical key.
•► Have the starter battery and the battery contacts checked at a qualified specialist workshop.
If the SmartKey is faulty, contact Roadside Assistance or a qualified specialist workshop.
Important safety notes
WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unsupervised in the vehic ...See also:
Door Locks
To lock both doors, push the front of
the master door lock switch on
either door, pull the lock tab
rearward on the driver’s door, or use
the key on the outside lock on the
driver’s do ...
Interior light
Do not use the interior lights for extended periods when the engine is not running.
It may cause battery discharge. ...
Technical specifications
Vehicle fluids
* Providing it meets the specification defined by WSS-M2C913-C, you can also
useFord Engine Oil or an alternative engine oil.
Topping up the oil: If you are unable to find an oil ...