See also:

Data stored in the vehicle
Information about electronic data acquisition in the vehicle (Including notice pursuant to California Code § 9951) Your vehicle records electronic data. If your vehicle is equipped with mbrace1, d ...

Checking the coolant level
Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. – Turn the SmartKey to position 2 (Y page 139) in the ignition lock. On vehicles with KEYLES ...

SmartKey battery
Important safety notes It is advisable to have batteries replaced at a qualified specialist workshop, e.g. at an authorized Mercedes-Benz Center. WARNING   Batteries contain toxic and c ...