Mercedes-Benz GL-Class Owners Manual
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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 ...
Heavy and light loads
WARNING
Depressing the brake pedal constantly results in excessive and premature wear
to the brake pads.
It may also cause the brakes to overheat, seriously impairing their effectiveness.
I ...
Ashtray in the front-compartment
center console
The holder under the ashtray is not heat
resistant. Before placing lit cigarettes in the
ashtray, make sure that the ashtray is
properly engaged. Otherwise, the holder
could be damaged.
...