Locking/unlocking in an emergency
Emergency key
If the vehicle can no longer be unlocked or locked with the key or the KEYLESS GO key*, use the emergency key element.
If you use the emergency key element to unlock and open the driver's door or the boot lid, the anti-theft alarm system* will be triggered more.
There are several ways of turning off the alarm:
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Press the  or  button on the key.
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or |
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Insert the key into the ignition lock.
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or |
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Press the KEYLESS GO button* more.
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or |
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Lock or unlock the vehicle using KEYLESS GO*.
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Releasing and removing the emergency key element
Unlocking the vehicle
If the vehicle can no longer be unlocked centrally with the key or the KEYLESS GO key*:
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Remove the emergency key element from the key more.
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 | To unlock |
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Insert the emergency key element fully into the lock of the driver's door.
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Turn the emergency key element anti-clockwise as far as it will go to position .
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The door is unlocked.
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Turn the emergency key element back and remove it.
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Locking the vehicle
If the vehicle can no longer be locked centrally with the key or the KEYLESS GO key*:
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Open the driver's door.
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Close the front-passenger door and the boot lid.
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Press the central locking button more.
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Check whether the locking knob on the front-passenger door is still visible. Press down the locking knob by hand if necessary.
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Remove the emergency key element from the key more.
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| To lock |
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Insert the emergency key element fully into the lock of the driver's door.
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Turn the emergency key element clockwise as far as it will go to position .
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Turn the emergency key element back and remove it.
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Check whether the doors and the boot lid are locked.
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Opening/closing the boot
Unlocking the boot
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The boot lid swings upwards when opened. Therefore, make sure that there is enough space above the boot lid.
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If the boot can no longer be unlocked with the key or the KEYLESS GO key*:
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Remove the emergency key element from the key more.
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 Boot lock
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| To unlock the boot |
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Insert the emergency key element fully into the boot lock.
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Turn the emergency key element anti-clockwise as far as it will go to position and pull the boot lid handle.
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The boot is unlocked.
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Turn the emergency key element back and remove it.
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Opening the boot manually (remote boot lid closing feature*)
 Opening the boot lid
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 | Handle |
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Lift the boot lid by handle .
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Closing the boot manually (remote boot lid closing feature*)
 | Risk of injury |
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Make sure that nobody can become trapped when closing the boot lid.
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Do not leave the key in the boot. You could otherwise lock yourself out.
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| Recess |
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Pull the boot lid down using recess .
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If necessary, close the boot lid from the outside by pushing down the edge.
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Operating the soft-top in emergencies (Cabriolet)
If the soft-top cannot be closed automatically, check the following points:
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Is the boot separator engaged more?
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Is the skibag cover* closed more?
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Have the roll-over bars been activated?
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Is the boot lid closed?
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Is the on-board voltage sufficient?
Start the engine if necessary.
If automatic operation still does not work, the soft-top can be closed manually.
This work must be performed by two persons.
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The soft-top emergency operation is a complex, technically sophisticated process which requires a great deal of force. Close the soft-top manually only in extreme emergencies. In this situation it is better to get in touch with a qualified specialist workshop, e.g. a Mercedes-Benz Service Centre.
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| Risk of injury |
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Remove any wristwatches and jewellery such as rings or bracelets. You could otherwise get caught, injured and damage the vehicle.
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Always grip the soft top at the indicated gripping points for the emergency operation of the soft top. You could otherwise be injured.
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Depress the parking brake.
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Open the side windows.
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Lower the head restraints more.
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If the head restraint cannot be lowered, the roll-over bars may have been activated. Manual lowering of the roll-over bars more.
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Remove the key from the ignition lock.
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Open the boot.
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Take the two straps out of the vehicle tool kit more.
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Take the hex-socket wrench out of the Owner's Manual wallet.
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Pull off the left-hand trim in the boot.
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| Catch |
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Pull out catch as far as possible and turn it about a quarter turn.
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Make sure the catch is not pulled in again. Otherwise, pull out the catch again as far as possible and turn it about a quarter turn.
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 | Covering |
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Fold away the right-hand boot floor.
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Tear open covering along the perforation.
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 | Catch |
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Pull out catch as far as possible and turn it about a quarter turn.
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Make sure the catch is not pulled in again. Otherwise, pull out the catch again as far as possible and turn it about a quarter turn.
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The soft-top compartment hinges are on the right-hand and left-hand side in the gap between the lid of the soft-top compartment and the boot sealing.
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 | Strap |
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Pull through straps behind the soft-top compartment hinges on both sides.
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Route the straps through the created loops.
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Pull the straps between the soft-top compartment hinges and the soft-top compartment.
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Do not pull the straps as long as the boot is open.
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Place the straps on the cover of the soft-top compartment.
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Take the hex-socket wrench and the vehicle key out of the boot.
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Close the boot lid.
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The boot can only be accessed again once the emergency operation is over.
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The boot lid must be closed for the next steps. The soft top compartment cover could otherwise collide with the boot lid.
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| Risk of injury |
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You could be injured during the following soft top emergency operation if you work alone. Perform the following steps together with a second person.
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Each person takes a strap.
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Simultaneously pull the cover of the soft-top compartment up and out by the straps.
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 | Soft-top compartment cover |
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One person stands on the right-hand side and the other person on the left-hand side of the vehicle.
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| Risk of injury |
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You could become trapped or injured.
Grip the soft top compartment with one hand and support yourself with the other hand on the edge of the boot lid as illustrated.
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Grip the soft-top compartment with one hand as illustrated.
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Use the other hand to support yourself on the edge of the boot lid as illustrated.
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Put soft-top compartment cover in an upright position as far as possible. Pull the cover to the rear, applying constant force.
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 | Tip of the soft-top |
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| Risk of injury |
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Do not reach between the cover halves and the hinges. You could otherwise become trapped.
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Reach under soft-top tip in the soft-top compartment from the right and left side.
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 | Windscreen frame |
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Lift the soft-top out of the soft-top compartment and guide it forwards onto windscreen frame .
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Pull off the cover of the roof lock.
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Insert the hex-socket wrench into the roof lock.
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Turn the hex-socket wrench clockwise as far as possible  .
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Make sure the hex-socket wrench is turned anti-clockwise as far as possible during the following step. The soft top may otherwise not be fully locked.
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Turn the hex-socket wrench anti-clockwise as far as possible  .
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The soft-top is now pre-locked on the windscreen frame.
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Put material tensioning frame  in an upright position.
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Make sure the soft top compartment cover does not collide with the material tensioning frame during the following step.
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Lower soft-top compartment cover  .
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 | Soft-top support |
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Press the material tensioning frame onto the window with your flat hand until it is on the soft-top compartment cover.
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| Risk of injury |
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You could trap your hands.
Do not push the soft top compartment cover forwards in front of the soft top support with your hands.
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Press the soft-top compartment cover with your flat hand forwards/downwards on both sides simultaneously until it engages in the guide. Apply your hand to the points indicated with arrows.
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At the same time press the material tensioning frame gently downwards with your flat hand.
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 | To lock |
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Insert the hex-socket wrench into the roof lock.
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Turn the hex-socket wrench anti-clockwise as far as possible .
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Have the soft-top mechanism repaired immediately at a qualified specialist workshop, e.g. a Mercedes-Benz Service Centre.
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If, after the soft top emergency operation, the boot can be opened neither from the driver's seat nor with the key or the grip in the recess for the licence plate, push the soft top compartment cover again as described before.
Do not under any circumstances open the boot lid with the emergency key. You could otherwise damage the boot lid and the soft top compartment cover.
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Releasing the parking lock manually (vehicles with automatic transmission*)
In the event of an electrical fault, it is possible to release the selector lever lock manually to move it out of position P, e.g. if you wish to tow the vehicle away.
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Open the stowage compartment in the centre console.
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Pull out the tray in the stowage compartment.
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Push a suitable implement into the hole in the partition and lever it out.
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| Screwdriver or similar implement |
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Insert implement into the hole.
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Push implement in the direction of the arrow and simultaneously move the selector lever out of position P.
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Remove implement .
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The selector lever can now be moved freely until it is returned to position P.
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