Preparing the vehicle

WARNING
The wheel and tire size of the emergency spare wheel/spare wheel may differ to that of the damaged wheel. When using an emergency spare wheel/spare wheel the handling characteristics of the vehicle may change.
Adapt your style of driving accordingly.
Never operate the vehicle with more than one emergency spare wheel/spare wheel that differs in size.
Only use an emergency spare wheel/spare wheel of a differing size briefly and do not switch off ESP®.
When using an emergency spare wheel, you must not exceed the maximum speed of 50 mph (80 km/h).

WARNING
Have the emergency spare wheel/spare wheel replaced with a new wheel as soon as possible at a qualified specialist workshop which has the necessary specialist knowledge and tools to carry out the work required.
Mercedes-Benz recommends that you use an authorized Mercedes-Benz Center for this purpose. In particular, work relevant to safety or on safety-related systems must be carried out at a qualified specialist workshop.

emergency spare wheel are not equipped Vehicles without a spare wheel/ emergency spare wheel are not equipped with a tire-change tool kit at the factory. For more information on which tools are required to perform a wheel change on your vehicle, e.g. wheel chock, lug wrench or alignment bolt, consult an authorized Mercedes-Benz Center.

  Remove the following items (depending on the vehicle's equipment) from the  Prepare the vehicle as described.
stowage well under the trunk/trunk floor:  Remove the following items (depending on the vehicle's equipment) from the stowage well under the trunk/trunk floor:
• the emergency spare wheel
• the folding wheel chock
• the lug wrench
• the jack
Securing the vehicle to prevent it from rolling away  Secure the vehicle to prevent it from rolling away.

    See also:

    Unlocking the driver's door (mechanical key)
    If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be trigg ...

    Changing the settings of the locking system
    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. •► T ...

    Engine
    Display messages Possible causes/consequences and Solutions The yellow Check Engine warning lamp lights up while the engine is running. There may be a malfunction ...