M-Class Interactive Owner's Manual

Opening and closing

Key

The vehicle's equipment includes two keys with remote control. Each key contains an emergency key element.

The key is configured at the factory to centrally lock and unlock the following:

  • the doors

  • the tailgate

  • the fuel filler flap

Risk of accident

If children are left unsupervised in the vehicle, they could:

  • open a door from the inside at any time, even if it has been locked

  • start the vehicle using a key which has been left in the vehicle

  • release the parking brake

They could endanger themselves and others. Never leave children unsupervised in the vehicle. Always take the key with you when leaving the vehicle, even if you are only leaving it for a short time.

To lock the vehicle
To unlock, open* or close* the tailgate
To unlock the vehicle
Battery check lamp

The key can also be used to open/close the sliding/tilting sunroof* and the side windows. You can open them using the summer opening feature more. You can close them using the convenience closing feature more.

Factory settings

  

To unlock centrally: press the button.

 

The turn signals flash once. The locking knobs in the doors pop up. The anti-theft alarm system* is deactivated.

When it is dark, the surround lighting also comes on if it is activated in the on-board computer.

If you do not open either a door or the tailgate after you have unlocked the vehicle, it will automatically relock after approximately 40 seconds.

  

To lock centrally: press the button.

 

The turn signals flash three times if the doors and tailgate are closed. The locking knobs in the doors drop down. The anti-theft alarm system* and the immobiliser are primed.

Individual settings

You can change the setting of the locking system in such a way that pressing the button only unlocks the driver's door and the fuel filler flap. This could be useful if you frequently travel on your own.

  

To change the setting: press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice.

The key now functions as follows:

  

To unlock the driver's door: press the button once.

  

To unlock centrally: press the button twice.

  

To lock centrally: press the button.

Restoring the factory settings

  

Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice.

 

KEYLESS GO*

The optional equipment supplied with your vehicle includes two KEYLESS GO keys. You can start, lock or unlock the vehicle using the KEYLESS GO key. To do this, you need only carry the KEYLESS GO key on your person. When you touch the surface of the sensors on the vehicle's door handles, KEYLESS GO establishes a radio connection between the vehicle and the key. The distance between the KEYLESS GO key and the vehicle's door handle from which you wish to lock or unlock the vehicle, must not be greater than 1 m.

When you pull the door handle, the following unlock centrally if the factory settings have not been changed:

  • the doors

  • the tailgate

  • the fuel filler flap

If you pull on the handle of the tailgate, only the tailgate of your vehicle is unlocked.

When starting the engine and whilst driving, KEYLESS GO also checks whether a valid KEYLESS GO key is in the vehicle by periodically establishing radio contact.

Risk of accident

If children are left unsupervised in the vehicle, they could open a door from the inside, even if it has been locked. Or they could start the vehicle if a valid KEYLESS GO key is in the vehicle and they press the KEYLESS GO button on the ignition lock. They could endanger themselves and others. Never leave children unsupervised in the vehicle. Switch off the engine and take the KEYLESS GO key with you, even if you are only leaving the vehicle for a short time.

To lock the vehicle
To unlock, open* or close* the tailgate
To unlock the vehicle
Battery check lamp

You can also use the KEYLESS GO key to open and close the side windows and sliding/tilting sunroof*. You can open them using the summer opening feature more. You can close them using the convenience closing feature more.

If the vehicle has been parked for a long time, you must pull the door handle to activate the KEYLESS GO functions.

Important notes

  • If the KEYLESS GO key is removed from the vehicle (e.g. in luggage or an article of clothing), it will no longer be possible to lock or start the vehicle.

  • If the KEYLESS GO key is removed from the vehicle while the engine is running, e.g. if the front passenger leaves the vehicle with the KEYLESS GO key, the following message will appear in the multi-function display as you pull away: Key not detected.

  • If the KEYLESS GO key is in the vehicle, the vehicle can be started at any time. If you have left the KEYLESS GO key in the vehicle, the following message will appear in the multi-function display when you lock the vehicle: Key still in vehicle.

Factory settings

  

To unlock centrally: pull the door handle.

 

The turn signals flash once. The locking knobs in the doors pop up. The anti-theft alarm system* is deactivated.

When it is dark, the surround lighting also comes on if it is activated in the on-board computer.

If you do not open either a door or the tailgate after you have unlocked the vehicle, it will automatically relock after approximately 40 seconds.

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There is a danger of the vehicle being unlocked unintentionally. This could occur if the KEYLESS GO key is within one metre of the vehicle and the door handle is splashed with water. This could also occur when cleaning the door handle.

Locking button on the door handle
  

To lock centrally: press locking button on the door handle.

 

The turn signals flash three times. The locking knobs in the doors drop down. The anti-theft alarm system* and the immobiliser are primed.

Individual settings

You can change the setting of the locking system. When you now grasp the door handle on the driver's door, you will only unlock the driver's door and the fuel filler flap. This could be useful if you frequently travel on your own.

  

To change the setting: press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice.

The KEYLESS GO key will now function as follows:

  

To unlock the driver's door: pull the door handle on the driver's door.

  

To unlock centrally: pull the door handle on the front-passenger door or on the rear doors.

  

To lock centrally: press locking button on the door handle.

Restoring the factory settings

  

Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice.

Locking from the luggage compartment*

On vehicles with KEYLESS GO* and the EASY-PACK tailgate*, you can close the tailgate automatically and thereby centrally lock your vehicle more.

 

Opening the doors from the inside

You can open a door from the inside at any time, even if it has been locked.

Locking knob
Door handle
  

Pull door handle .

 

If the door is locked, locking knob pops up. The door is unlocked and can be opened.

 

Exterior spare wheel bracket*

Risk of accident

While the external spare wheel bracket is folded to the side, the tail lamps may be blocked from view. Other road users may then fail to see you and crash into your vehicle. Additionally, secure your vehicle using a warning lamp or a warning triangle.

Do not drive with the spare wheel bracket folded out.

Make sure that the spare wheel bracket is closed correctly.

Otherwise, the freely moving spare wheel bracket could injure people or cause an accident.

Do not wash vehicles equipped with an external spare wheel bracket in an automatic car wash.

Opening the spare wheel bracket

Spare wheel bracket
Handle
  

To unlock centrally: press the  button on the key.

  

Pull handle and pull spare wheel bracket  in the direction of the arrow.

Latch handle
To unlock
To lock
  

Turn latch handle  in the direction of the arrow to position .

 

The spare wheel bracket is locked in the open position.

Closing the spare wheel bracket

  

Turn latch handle  to position .

 

The spare wheel bracket is unlocked.

  

Close the spare wheel bracket until you feel it engage.

 

Tailgate

Risk of poisoning

Exhaust fumes could enter the vehicle interior if the engine is running and the tailgate is open. This could poison you. You should therefore make sure that the tailgate is always closed when the engine is running.

The tailgate swings upwards and to the rear when opened. Therefore, make sure that there is sufficient clearance above and behind the tailgate.

On vehicles with an exterior spare wheel bracket*, you can only open the tailgate after fully opening the spare wheel bracket*.

You will find details of the tailgate opening dimensions in the Technical data section more.

Opening from the outside

You can only open the tailgate after unlocking it first.

  

To unlock centrally: press the button on the key.

Handle
  

Pull handle .

  

Raise the tailgate.

Closing from the outside

Risk of injury

Make sure that nobody can become trapped as you close the tailgate.

Do not leave the key in the luggage compartment. You could otherwise lock yourself out.

  

Pull the tailgate down using recess .

  

Push the tailgate closed from the outside.

  

Lock the vehicle if necessary using the  button on the key or with KEYLESS GO*.

 

EASY-PACK tailgate*

On vehicles with the EASY-PACK tailgate*, the tailgate opens and closes automatically. You can stop the automatic opening and closing procedure at any time:

  • by pulling or pressing the remote operating button at the driver's seat

  • by pressing the button on the key

  • by pulling the handle on the tailgate

  • by pressing the closing button in the tailgate

You may also hear a warning tone when opening or closing the tailgate.

Risk of poisoning

Exhaust fumes could enter the vehicle interior if the engine is running and the tailgate is open. This could poison you. You should therefore make sure that the tailgate is always closed when the engine is running.

The tailgate swings upwards and to the rear when opened. Therefore, make sure that there is sufficient clearance above and behind the tailgate.

Opening from the outside

You can only open the tailgate after unlocking it first.

  

To unlock centrally: press the button on the key.

Handle
  

Pull handle .

 

The tailgate opens automatically.

Opening from the outside using the key

  

Press and hold the button on the key until the tailgate opens.

Closing from the outside using the key

  

Press and hold the button on the key until the tailgate closes.

Closing from the outside (without KEYLESS GO*)

You can close the tailgate from the outside using the closing button in the tailgate.

Risk of injury

Monitor the tailgate closing procedure to make sure that nobody can become trapped. Press the closing button in the tailgate again or press the button on the key to halt the closing procedure.

Do not leave the key in the luggage compartment. You could otherwise lock yourself out.

Closing button
  

Press closing button .

 

The tailgate closes automatically.

Closing from the outside and locking centrally (with KEYLESS GO*)

You can close the tailgate from the outside using the closing button in the tailgate, or you can close and centrally lock the vehicle simultaneously with the KEYLESS GO button*.

Risk of injury

Monitor the tailgate closing procedure to make sure that nobody can become trapped. Press the closing button in the tailgate again or press the button on the key to halt the closing procedure.

Do not leave the key in the luggage compartment. You could otherwise lock yourself out.

Closing button
KEYLESS GO button
  

To close: press closing button .

  

To close and lock centrally: press KEYLESS GO button* .

If you leave a KEYLESS GO key* in the luggage compartment, the tailgate will not lock.

If a KEYLESS GO key has not been recognised, the closing procedure that has already started is cancelled.

Opening and closing from inside the vehicle

You can open/close the tailgate from the driver's seat when the vehicle is stationary.

Risk of injury

Monitor the tailgate closing procedure to make sure that nobody can become trapped. Press the remote operating switch again to stop the closing procedure.

Remote operating button
  

To open: pull remote operating button  until the boot lid opens.

  

To close: turn the key to position 1 or 2 in the ignition lock.

  

Press remote operating button  until the tailgate closes.

Limiting the opening angle of the tailgate

You can limit the opening angle of the tailgate in the top half of its opening range. This could be useful, for example, when there is insufficient space above the tailgate.

Activating
  

To open the tailgate: pull the handle or press the button on the key.

  

To stop the opening procedure: when the desired position is reached, pull the handle again or press the  button on the key. Alternatively, you can also press the closing button in the tailgate.

  

Press and hold the closing button in the tailgate until you hear a tone.

 

The opening angle limiter is activated. The tailgate will now stop in the stored position when opening.

Deactivating
  

Press and hold the closing button in the tailgate until you hear two short tones.

 

Automatic locking feature

The vehicle will lock automatically once you have pulled away.

You can switch off the automatic locking function via the on-board computer more.

The vehicle is locked automatically when the ignition is switched on and the wheels begin to turn. There is therefore a risk of being locked out when the vehicle is being pushed or tested on a dynamometer.

 

Locking/unlocking the vehicle from the inside

You can centrally lock or unlock the vehicle from the inside. This feature may be useful if, for example, you wish to unlock the passenger door from the inside or lock the vehicle before you pull away.

Risk of accident

Do not leave children unsupervised in the vehicle. They could open a door from the inside - even if it is locked - and thereby endanger themselves and others.

You cannot unlock the vehicle centrally from the inside if the vehicle has been locked with the key or the KEYLESS GO key*.

It is only possible to lock the vehicle centrally if the front-passenger door is closed.

Unlocking button
Locking button
  

To unlock: press button .

  

To lock: press button .