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 ...

NECK-PRO head restraints/NECKPRO luxury head restraints (except AMG vehicles)
NECK-PRO head restraints/NECK-PRO luxury head restraints increase protection of the driver's and front-passenger's head and neck. In the event of a rear collision of a certain severity, the NE ...

Setting the temperature in the rear compartment using the rear control panel
Turn the SmartKey to position 2 in the ignition lock. To increase/reduce: press rocker switch 12 or 17 up or down. Only change the temperature setting in small increments. Start at 72 °F (22 ...