Parking the vehicle for a long period
If you leave the vehicle parked for longer than four weeks, the battery may be damaged by exhaustive discharge.
•► Connect a trickle charger.
You can obtain information about trickle chargers from a qualified specialist workshop, e.g. an authorized Mercedes- Benz Center.
If you leave the vehicle parked for longer than six weeks, the vehicle may suffer damage as a result of lack of use.
•► Visit a qualified specialist workshop and seek advice.
See also:
High outside temperatures
If DEF heats up to over 122 °F (50 °C) for
extended periods, e.g. as a result of direct
sunlight on the DEF reservoir, DEF can
decompose. Ammonia vapors develop as a
result.
WARNING
When o ...
Calling up a stored setting
If you want to move the seat from the fully reclined position to a stored seat
position, first raise the backrest. The seat could otherwise be damaged.
Press and hold the relevant storage positi ...
Coolant
Important safety notes
The coolant is a mixture of water and antifreeze/corrosion inhibitor. It performs
the following tasks:
corrosion protection
antifreeze protection
raising the boiling ...