Mercedes-Benz GL-Class: Parking
DEF
Important notes on use
To function properly, BlueTEC exhaust gas
aftertreatment must be operated with the
reducing agent DEF. Adding DEF is one of the
tasks performed during maintenance. Under
no ...
Important safety notes
WARNING
Do not park this vehicle in areas where
combustible materials can come into contact
with the hot exhaust system. Do not park the
vehicle on dry grassland or harvested grain
fi ...
See also:
Warning/indicator lights and audible reminders
...
Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody. Your dealer
or an underbody car washing system can do this. If not removed, rust and corrosion
can develop. ...
Consistency of Readings
Always check the fluid level at least twice using the procedures described. Consistency
(repeatable readings) is important to maintaining proper fluid level. If fluid is
added, it may take 15 minute ...






