Mercedes-Benz B-Class Quiz
Opening and closing

Emergency key

In this manual: Opening and closing
Introduction — 16At a glance — 11Safety — 27Opening and closing — 33Seats, steering wheel and mirrors — 21Lighting and windshield wipers — 25Air conditioning — 27Driving and parking — 66On-board computer and displays — 35Storage and other — 21Maintenance and care — 10Flat tire assistance — 26Wheels and tires — 26Technical data — 22
~1min read

General notes

If you can no longer unlock the vehicle with the key, use the emergency key.

If you open the driver's door after unlocking with the emergency key, the anti-theft and anti-intrusion alarm is triggered.

You can switch off the alarm in several ways:

  • Press the buttontouche de la clé.or the
    buttonIntroduisez la clé dans le contacteur d'allumage.of the key.

  • Insert the key into the ignition switch.

    When you unlock the vehicle with the emergency key, the fuel filler flap does not unlock automatically.

  • Unlocking the fuel filler flap: insert the key into the ignition switch.

Removing the emergency key

Retrait de la clé de secours

  • Move the release button 1 in the direction of the arrow, hold it in this position and remove the emergency key 2 from the key.

Test yourself

A quick Mercedes-Benz B-Class quiz: every answer comes with an explanation and a link to the manual page.