Mercedes-Benz A Series Owner's Manual page 242

Key
Problem
You cannot lock or unlock the
vehicle using the key.
The battery charge indicator lamp
of the key does not go on during
the test.
You have lost a key.
You have lost the emergency key
element.
The engine cannot be started
using the key.
Possible cause/consequence
The key batteries are discharged
or nearly discharged.
The key is faulty.
The key batteries are discharged.
The steering lock is mechanically
blocked.
Suggested solutions
Point the tip of the key at the driver's door handle from close range
X
and try to unlock or lock the vehicle again.
If this does not work:
Unlock the vehicle using the emergency key element
X
( page 241).
Y
Check the key batteries ( page 244) and replace them if neces-
X
Y
sary ( page 244).
Y
Unlock the vehicle using the emergency key element
X
( page 241).
Y
Have the key checked at a qualified specialist workshop.
X
Change the batteries ( page 244).
X
Y
Have the key cancelled at a Mercedes-Benz Service Centre.
X
Report the loss immediately to the vehicle insurers.
X
If necessary, have the manual locks changed too.
X
Report the loss immediately to the vehicle insurers.
X
If necessary, have the manual locks changed too.
X
Remove the key and reinsert it into the ignition lock. While doing
X
this, turn the steering wheel in both directions.
Practical advice
Troubleshooting
Z
239