Mercedes-Benz E-Cab 2012 Owners Manual - Manual (Page 218)

Display messages Possible causes/consequences and M Solutions
$
(USA
only)
J
(Canada
only)
Brake Immediately
A malfunction has occurred while the HOLD function or
DISTRONIC PLUS is active.
A tone may also sound at regular intervals. The tone becomes
louder if you attempt to lock the vehicle.
You cannot start the engine.
X Paying attention to the traffic situation, immediately depress the
brake pedal firmly and hold until the display message
disappears.
X Prevent the vehicle from rolling away before you leave it
(
Y page 292).
You can restart the engine.
$
(USA
only)
J
(Canada
only)
Check Brake Fluid
Level
G Risk of accident
There is not enough brake fluid in the brake fluid reservoir.
Additionally, the red $ (USA only)/ J (Canada only)
warning lamp lights up in the instrument cluster and a warning
tone sounds.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Engage the parking brake.
X Consult a qualified specialist workshop.
X Do not add brake fluid. This will not rectify the malfunction.
G WARNING
Driving with the message Check Brake Fluid Level displayed can result in an accident. Have
your brake system checked immediately.
Do not add brake fluid before checking the brake system. Overfilling the brake fluid reservoir can
result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be
seriously burned.
216
Display messages
On-board computer and displays