See also:

ETS/4ETS (Electronic Traction System)
WARNING Observe "Important safety notes". Traction control is part of ESP®. Traction control brakes the drive wheels individually if they spin. This enables you to pull away and acc ...

Important safety notes
WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unsupervised in the vehic ...

Charging the battery
WARNING Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosions th ...