See also:

DEF refill bottle
DEF refill bottles can be obtained at many gas stations or at an authorized Mercedes-Benz Center. Refill bottles without a threaded cap do not provide overfill protection. DEF may leak if over ...

Window curtain air bags
The window curtain air bags enhance the level of protection for the head, but not chest or arms, of the vehicle occupants on the side of the vehicle on which the impact occurs. The window curta ...

Massage function (PULSE)
The massage function helps you to prevent muscle tension on long journeys. You can choose between two levels. •► To switch on: press button 4 once or twice until the desired level is set. ...