SRS (Supplemental Restraint System)

See also:

Brilliant finish: the rear assembly of the M-Class
The rear area too of the M-Class also protects the sturdy passenger compartment in crash situations thanks to specific deformation work, therefore minimising the loads on the occupants. A special ...

Cleaning the steering wheel and gear or selector lever
  Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes- Benz. ...

SmartKey
0. To remove the SmartKey (shift the transmission to position P) 1. Power supply for some consumers, such as the windshield wipers 2. Ignition (power supply for all consumers) and driv ...