Display messages Possible causes/consequences and
0050 SolutionsABS
Unavailable
G
Warning!
ABS has been deactivated due to undervoltage. The battery might
not be charging.
The brake system
is still available with the normal braking effect.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. Check Diesel
Exhaust Fluid see
Operator's Manual The Diesel Exhaust Fluid (DEF) supply has dropped below
1.5 US gal (5.5 l).
After the message appears for the first time and under normal
driving conditions, the remaining DEF supply will last for
approximately 1000 miles (1600 km).
After
that, the 0.8 US gal (3.0 l) reserve mark is reached. A warning
tone sequence sounds. The engine can then only be started
another sixteen times.
X add DEF supply ( Y page 143).
After topping up, the system check takes approximately
20 seconds. The display message then disappears. Check Diesel
Exhaust Fluid see
Operator's Manual If the yellow
00BB engine diagnosis indicator lamp lights up in
addition, the DEF reducing agent is contaminated, diluted or not
compliant with ISO 22241.
After the message appears for the first time, and under normal
driving conditions, you can continue driving for approximately
50 miles
(80 km). After this, a warning tone sequence sounds. The
engine can then only be started another sixteen times.
Have the DEF tank cleaned and refilled at a qualified specialist
workshop as soon as possible. ESP
Visit workshop
G
Warning!
ESP ®
has been deactivated due to a malfunction. This also
deactivates cruise control.
The vehicle's stability is no longer automatically regulated at an
early stage. Engine power output may be reduced.
X Drive on carefully.
X Visit a qualified specialist workshop immediately.202
Troubleshooting
Practical advice
Display messages Possible causes/consequences and
0050 Solutions003D
Visit workshop G
Warning!
BAS has been deactivated due to a malfunction.
The brake system continues to function normally, but without
electronic support.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. 003D
Unavailable ASR and BAS have been deactivated due to undervoltage.
The battery might not be charging.
The brake system
is still available with the normal braking effect.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. 003F
Battery/
Alternator Visit
workshop The battery is not being charged. This could be caused by a
defective alternator or a torn poly-V-belt.
X
Pull over immediately, paying attention to road and traffic
conditions.
X Check the poly-V-belt.
If it is torn: do not drive any further. Consult the nearest
qualified specialist workshop.
If it is undamaged: have the vehicle checked as soon as
possible at a qualified specialist workshop. 0026
Brake wear Visit
workshop G
Warning!
The brake pads/linings have reached their wear limit.
X Have the brake pads/linings replaced as soon as possible at a
qualified specialist workshop. 0065
Brake fluid Visit
workshop G
Warning!
There is insufficient brake fluid in the brake fluid reservoir.
X Pull over immediately, paying attention to road and traffic
conditions.
X Check the brake fluid level in the supply reservoir
(Y page 170).
X If the brake fluid level is below the MIN mark: do not drive any
further.
X Do not add brake fluid. This will not rectify the problem.
X Consult a qualified specialist workshop. Troubleshooting
205
Practical advice Z
