Preparing the vehicle

The wheel and tire size of the emergency 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).

Have the emergency spare wheel/spare 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.

Vehicles without a spare wheel/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.

– Prepare the vehicle as described.
– If a trailer is coupled to the vehicle, uncouple it.
– Remove the following items (depending on the vehicle's equipment) from the stowage well under the trunk floor:
- the emergency spare wheel
- the lug wrench
- the folding wheel chock
- the jack
- the ratchet wrench
- the alignment bolt
– Secure the vehicle to prevent it from rolling away.

    See also:

    Side-impact protection thanks to intelligent bodyshell
    Similar to the design of the front area of the new M-Class, the vehicle's intelligent bodyshell design also performs impressively in side-impact accident scenarios. The specific distribution of hi ...

    Deactivating/activating ESP® (except AMG vehicles)
    WARNING ESP® should not be deactivated during normal driving other than in the circumstances described below. Disabling the system will reduce vehicle stability in driving maneuvers. Do ...

    Important notes on the use of KEYLESS-GO
    • The KEYLESS-GO key can be used like a conventional key. • You can combine KEYLESS-GO functions with those of a conventional key, e.g. unlock with KEYLESS-GO and lock with the button. • ...