See also:

Suspension tuning
The electronically controlled ABC suspension system works continuously. This improves driving safety and comfort. The ABC suspension system is tuned individually to each wheel and depends on: ...

Turn signal lamp (halogen headlamps)
Due to their location, have the bulbs in the left-hand headlamp changed at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center. •► Switch off the lights. •► ...

Assembling the ball coupling
Mercedes-Benz recommends that you have the ball coupling assembled at a qualified specialist workshop. Only a qualified specialist workshop has the necessary specialist knowledge and tool ...