2022 Smart Fortwo Keys and Locks Guidelines

The 2022 Smart Fortwo is a tribute to innovation, compact elegance, and technical sophistication in the world of automotive design. Among its several innovations, its keys and locks system smoothly merges ease with cutting-edge security. At the core of this urban miracle is a set of keys and locks that redefine accessibility and security. These keys, designed to compliment the car’s elegant appearance and clever design, are more than simply physical tools; they are portals to a world of seamless movement.

Consider walking up to your Smart Fortwo without having to fumble for keys. The proximity sensors built into these keys alert the car to your presence, kicking off a dance of connectedness. The locks yield effortlessly with a gentle touch or press, providing entry to the exquisite interior that awaits within.

Keys and Locks

Replacing the key battery

 WARNING
Batteries contain toxic and corrosive sub-stances. If batteries are swallowed, it can result in severe health problems. There is a risk of fatal injury.
Keep batteries out of the reach of children. If a battery is swallowed, seek medical attention immediately.

charged batteries to a qualified specialist work-shop or to a collection point for used batteries.

Environmental
note
Batteries contain pollutants. It is illegal to dis-pose of them with the household rubbish. They must be collected separately and disposed of in an environmentally responsible recycling system.
Dispose of batteries in an environmentally responsible manner. Take discharged batteries to a qualified specialist work-shop or to a collection point for used batteries.

• Fixed keys: unscrew screw 1 .
  
• Insert a flat tool, e.g. a coin, into the recess.
• Turn the tool until the cover of the battery tray opens.
  
• Replace battery with the positive terminal facing upwards.
• Replace the cover on the battery tray and push it closed.
• Fixed keys: tighten screw :.
• Check the function of all key buttons.

Opening a door with the emergency release

If the vehicle cannot be opened using the remote control key, the vehicle can be opened using the emergency release.

If the driver’s door is unlocked and opened with the key in the emergency release, the anti-theft alarm system will issue an alarm. To disable the alarm, switch on the ignition.

• Carefully remove the cover from the emergency release.
• Insert the key into the emergency release on the driver’s door.
• Turn the key anti-clockwise. 
• Remove the key from the lock.
• Push the cover into the emergency release until it engages.
• Open the door.
• To disable the alarm from the anti-theft alarm system: switch on the ignition.
• On right-hand-drive vehicles, the emergency release is located on the front-passenger door.

Locking the doors in an emergency

Locking the doors with the locking button

• Open the drivers door.
• Close the other doors and the tailgate. X Press and hold button :. An audible locking and unlocking sound can be heard. Wait until the third (locking) sound, before releasing button :.
• Leave the vehicle and close the driver’s door.
• The doors, tailgate and fuel filler cap are locked. The anti-theft alarm system is primed.
• From the outside, check that the doors, tailgate and fuel filler cap are locked.

Locking the doors with the emergency locking

• Insert the key into slot : on the left door. X Turn the key towards the bonnet as far as it will go to position 2.
• Close the left door.
• Repeat the procedure described above on the right door.
• Check that the doors are locked.
• If you lock the vehicle using the emergency locking, the tailgate and fuel filler flap are not locked. The anti-theft alarm system is not primed.

Notes on display messages

The display shows warnings, malfunctions or additional information. A warning tone also sounds with some display messages.

Messages from all categories can contain important information that must be observed. Have error messages checked at a Mercedes-Benz Service Centre as soon as possible. If an error message is not followed up with a repair, this can lead to damage that is not covered by the Mercedes-Benz Limited Warranty including injuries or material damage.

Display messages with graphic symbols are simplified in the Owner’s Manual and may differ from the symbols in the display.

Colour display: low-priority display messages can be hidden by pressing a on the steering wheel. High-priority messages are shown in red. The display messages are then stored in the message memory and can be called up for as long as the ignition remains switched on. Switching off the ignition clears the message memory.

Problem	Possible causes/consequences and M Solutions
Key will not lock or unlock the vehicle.	A strong source of radio waves is interfering with the signal. Stand closer to the door lock and try to lock/unlock the vehicle again.
	Key battery is low or discharged. Unlock the vehicle with the key in the emergency release or lock the vehicle with emergency locking. Replace the key battery.
	Key is faulty. To lock: Press the locking button and close the door within five seconds. The vehicle still will not lock. Lock driver’s door using emergency locking. Consult a qualified specialist workshop. To unlock: Unlock vehicle with the key in the emergency release. Consult a qualified specialist workshop.
Key is lost.	Have the key deactivated or replaced at a qualified specialist workshop. Report loss of the key to vehicle insurer.
Side window will not close or will not open or close fully.	Objects are obstructing the window guide.  Remove objects.

FAQs

Useful Link

View Full PDF: Smart Fortwo 2022 User Manual| Auto User Guide
2022 Smart Fortwo Alarm System Setup Guide