See also:

Load bearing index
The load bearing index (also load index) is a code that contains the maximum load bearing capacity of a tire. ...

Wheel and tire combinations
Please bear the following in mind For safety reasons, Mercedes-Benz recommends that you only use Tires and wheels which have been approved by Mercedes-Benz specifically for your vehicle. The ...

Immobilizer
The immobilizer prevents your vehicle from being started without the correct SmartKey. When leaving the vehicle, always take the SmartKey with you and lock the vehicle. The engine can be started ...