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Practical hints
What to do if …
Problem Possible cause/consequence Suggested solution
v The yellow ESP
®
warning lamp
comes on and remains on while
driving.
The ESP
®
is deactivated because of inter-
rupted power supply. The ABS may still be
operational.
̈ Read and observe messages in the
multifunction display (
୴ page 338).
The ESP
®
, ABS, BAS, EBB or 4-ETS has
detected a malfunction. All driving systems
are switched off.
Risk of accident!
Adapt your speed and driving to the
prevailing road conditions.
̈ Read and observe messages in the
multifunction display (
୴ page 338).
The yellow fuel tank reserve warning lamp
comes on while driving.
The fuel level has dropped below the reserve
mark.
̈ Refuel at the next gas station
(
୴ page 264).
̈ Read and observe messages in the
multifunction display (
୴ page 338).
The yellow fuel tank reserve warning lamp is
blinking.
The fuel cap is not closed tight. ̈ Check the fuel filler cap (୴ page 264).
̈ Read and observe messages in the
multifunction display (
୴ page 338).