Display messages
Possible causes/consequences and
M
Solutions
4
Check eng. oil
lev. when next
refuelling
The engine oil level has dropped to the minimum level.
A warning tone also sounds.
X
Check the oil level when next refuelling, at the latest
(
Y
page 286).
X
If necessary, top up the engine oil (
Y
page 287).
X
Have the engine checked at a qualified specialist workshop if
the engine oil needs topping up more often than usual.
æ
Reserve fuel level
The fuel level has dropped into the reserve range.
The auxiliary heating cannot be operated.
X
Refuel at the nearest filling station.
ç
There is very little fuel in the fuel tank.
The auxiliary heating cannot be operated.
X
Refuel at the nearest filling station without fail.
¸
Replace air cleaner
Vehicles with a diesel engine: the engine air filter is dirty and must
be replaced.
X
Visit a qualified specialist workshop.
i
This message does not appear for the 180 CDI BlueEFFI-
CIENCY, manual transmission model A.
!
Clean the fuel fil‐
ter
Vehicles with a diesel engine: there is water in the fuel filter. The
water must be drained off.
X
Visit a qualified specialist workshop.
Driving systems
Display messages
Possible causes/consequences and
M
Solutions
À
Attention Assist:
Drowsiness detec‐
ted
Based on certain criteria, ATTENTION ASSIST has detected fatigue
or a lack of concentration on the part of the driver. A warning tone
also sounds.
X
If necessary, take a break.
During long journeys, take regular breaks in good time so that you
get enough rest.
À
Attention Assist
inoperative
ATTENTION ASSIST is inoperative.
X
Visit a qualified specialist workshop.
Display messages
245
On-board computer and displays
Z
Summary of Contents for 2012 A-Class
Page 1: ...A Class Owner s Manual Nur für internen Gebrauch For internal use only ...
Page 4: ......
Page 28: ...26 ...
Page 40: ...38 ...
Page 74: ...72 ...
Page 92: ...90 ...
Page 284: ...282 ...
Page 285: ...Useful information 284 Engine compartment 284 Service 289 Care 290 283 Maintenance and care ...
Page 336: ...334 ...
Page 353: ...351 ...
Page 354: ...352 ...