A SERVICE OF

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374
Practical hints
What to do if …
Left display Right display Possible cause/consequence Possible solution
Check doors
2 You are attempting to drive with
one or more doors open.
̈ Close the doors.
Vehicles with KEYLESS-GO*:
You are pressing the lock button on
the door handle and at least one
door is open.
±
Visit
workshop
Certain electronic systems are un-
able to relay information to the con-
trol system. The following systems
may have failed:
ț Coolant temperature gauge
ț Tachometer
̈ Have the electronic systems checked by an
authorized Mercedes-Benz Center
(
page 336).
Engine
Service
There may be a malfunction in the
ț fuel injection system
ț ignition system
ț exhaust system
ț fuel system
̈ Have the engine checked as soon as possible
by an authorized Mercedes-Benz Center
(
page 336).