Get Opening and closing -> Key Guide for Mercedes B Class SUV First Generation (2005-2010)

Useful information

This Owner's Manual describes all models

and all standard and optional equipment

available to your vehicle at the time of pub-

lication of the Owner's Manual. Country-

specific deviations are possible. Please

note that your vehicle may not be equipped

with all features described. This also

applies to safety-relevantsystems and

functions.

Please read the information on qualified

specialist workshops (Y page 22).

Key

Important safety notes

WARNING

If children are leftunsupervised in the vehicle,

they could:

open a door from inside the vehicle at any

time, evenifithas been locked

start the vehicle using akey which has been

left in the vehicle

release the parking brake

They could thereby 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.

WARNING

Do not attach any heavy or large key rings to

the key that is inserted in the ignition.Ifakey

ring is too heavy or too large, the weight acting

on the key could cause it to turninthe ignition

lock or catch on the steering wheel. This could

cause the engine to be switched off suddenly.

You could lose control of the vehicle and

cause an accident.

Do not use the key in the vicinity of strong

magnetic fields. Otherwise, the remote con-

trol function could be affected.

Do not keep the key together with:

electronic devices, e.g. a mobile phone or

another key

metallic objects, e.g. coins or metal foil

Key functions

& To lock the vehicle

;

% To unlock the vehicle

To unlock centrally: press the % but-

ton.

If you do not open the vehicle within approx-

imately 40 seconds of unlocking:

the vehicle is locked again.

the anti-theft system is primed again.

To lock centrally: press the & button.

The key centrally locks/unlocks:

the doors

the tailgate

the fuel filler flap

When unlocking, the turn signals flash once.

When locking, they flash three times.

When it is dark, the surround lighting also

comes on if it is activated in the on-board

computer (Y page 202).

You can also set an audible signal to confirm

that the vehicle has been locked. The audible

signal can be activated and deactivated using

the on-board computer (Y page 203).

Key

Opening and closing

Changing the settings of the locking

system

To change the setting: press and hold

down the % and & buttons simulta-

neously for approximately six seconds until

the battery check lamp flashes twice

(Y page 74).

If the setting of the locking system is

changed within the signal range of the vehi-

cle, pressing the & or % buttonlocks

or unlocks the vehicle.

The key now functions as follows:

To unlock the driver's door: press the

% button once.

To unlock centrally: press the % but-

ton twice.

To lock centrally: press the & button.

You can change the setting of the locking

system in such a way that only the driver's

door and the fuel filler flap are unlocked. This

is useful if you frequently travel on your own.

Restoring factory settings

Press the % and & buttons simulta-

neously for approximately six seconds until

the battery check lamp flashes twice.

Emergency key element

General notes

If the vehicle can no longer be unlocked with

the key, use the emergency key element.

If you use the emergencykey element to

unlock and open the driver's door, the anti-

theftalarm system will be triggered

(Y page 68).

There are several ways to turnoff the alarm:

Press the % or & button on the key.

Insert the key into the ignition lock.

If you unlock the vehicle using the emergency

key element, the fuel filler flap will not be

unlocked automatically.

To unlock the fuel filler flap: insert the

key into the ignition lock.

Removing the emergency key element

Push release catch : in the direction of

the arrow and at the same time, remove

emergency key element ; from the key.

Battery of the key

Important safety notes

WARNING

Batteries are toxic and contain caustic sub-

stances. For this reason, keep batteries out of

the reach of children.

If a battery has been swallowed, visitadoctor

immediately.

Environmental note

Batteries contain pollutants.

It is illegal to dispose of them

with the household rubbish.

They must be collected sep-

arately and disposed of in an

environmentally responsible

recycling system.

Dispose of batteries in an

environmentally responsible

manner. Take discharged

batteries to a qualified spe-

Key

Opening and closing

cialist workshop or to a col-

lection point for used batter-

ies.

Have the batteries changed at a qualified spe-

cialist workshop.

Checking the battery

Press the & or % button.

The battery is working properly if battery

check lamp : lights up briefly.

The battery is discharged if battery check

lamp : does not light up briefly.

Change the battery (Y page 74).

i If the key battery is checked within the

signal receptionrange of the vehicle, press-

ing the & or % button:

locks or

unlocks the vehicle

You can get a battery in any qualified spe-

cialist workshop.

Replacing the battery

You require a CR 2025 3 V cell battery.

Take the emergency key elementout of the

key (Y page 73).

Press emergency key element ; into the

opening in the key in the direction of the

arrow until battery tray cover : opens.

When doing so, do nothold cover : shut.

Remove battery tray cover :.

Repeatedly tap the key against your palm

until battery = falls out.

Insert the new battery with the positive ter-

minal facing upwards. Use a lint-free cloth

to do so.

Make sure that the surface of the battery is

free from lint, grease and all other forms of

contamination.

Insert the front tabs of battery tray

cover : and then press to close it.

Insert the emergency key element into the

key.

Check the function of all key buttons on the

vehicle.

Key

Opening and closing

Problems with the key

Problem Possible causes/consequences and M Solutions

You cannot lock or

unlock the vehicle

using the key.

The key battery is discharged or nearly discharged.

Try again to lock/unlock the vehicle using the remote control

function of the key. Point the tip of the key at the driver's door

handle from close range and press the % / & button.

If this does not work:

Check the key battery and replace it if necessary (Y page 74).

Lock (Y page 77) or unlock (Y page 78) the vehicle using

the emergency key element.

The key is faulty.

Lock (Y page 77) or unlock (Y page 78) the vehicle using

the emergency key element.

Have the key checked at a qualified specialist workshop.

You have lost a key.

Have the key deactivated at a qualified specialist workshop.

Report the loss immediately to the vehicle insurers.

If necessary, have the locks changed as well.

You have lost the emer-

gency key element.

Report the loss immediately to the vehicle insurers.

If necessary, have the locks changed as well.

The engine cannot be

started using the key.

The on-board voltage is too low.

Switch off non-essential consumers, e.g. seat heating or interior

lighting, and try to start the engine again.

If this does not work:

Check the starter battery and charge it if necessary

(Y page 280).

Jump-start the vehicle (Y page 283).

Consult a qualified specialist workshop.

The engine cannot be

started using the key.

The steering lock is mechanically blocked.

Remove the key and reinsert it into the ignition lock. While doing

this, turn the steering wheel in both directions.

Key

Opening and closing

Doors

Important safety notes

WARNING

Only for the United Kingdom: if the vehicle

has beenlocked with the key, the double lock

function is activated as standard. It is then not

possible to open the doors from inside the

vehicle.

Therefore, do not leave any people behind in

the vehicle, particularly children, elderly peo-

ple or people in need of special assistance if

the vehicle has been locked with the key. As

a result, they may not be able to free them-

selves in the event of an emergency. As a

result, they could be seriously or even fatally

injured by prolonged exposure to extremely

high or low temperatures, for example. In this

case, rescuing people from outside the vehi-

cle is difficult.

Deactivate the interior motion sensor before

you lock the vehicle with the key. The doors

can then be opened from the inside after the

vehicle has been locked from the outside with

the key.

WARNING

If children are left unsupervised in the vehicle,

they could:

open a door from inside the vehicle at any

time, even if it has been locked

start the vehicle using akey which has been

left in the vehicle

release the parking brake

They could thereby 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.

Unlocking and opening the doors

from the inside

Pull door handle ;.

If the door is locked, locking knob : pops

up. The door is unlocked and can be

opened.

For all countries except the United King-

dom: you can open a door from inside the

vehicle even if it has been locked.

Only for the United Kingdom: if the vehicle

has been locked with the key, the double lock

function is activated as standard. It is then

not possible to open the doors from inside the

vehicle. Deactivate the interior motion sensor

(Y page 69) before you lock the vehicle with

the key. The doors can then be opened from

the inside after the vehicle has been locked

from the outside with the key.

If locked rear doors are not secured by the

child-proof locks (Y page 61), they can also

be opened from inside the vehicle.

Doors

Opening and closing

Opening and closing -> Key for Your Mercedes B Class SUV First Generation (2005-2010)

Related Topics

Popular Owner Manuals

Latest Owner Manuals