See also:

Vehicle operation outside the USA and Canada
If you plan to operate your vehicle in foreign countries, please be aware that:  - service facilities or replacement parts may not be readily available.  - unleaded fuel for vehicles w ...

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 ...

Please bear the following in mind
The engine oils are matched to the performance of Mercedes-Benz engines and service intervals. You should therefore only use engine oils and oil filters that are approved for vehicles with mainten ...