Mercedes-Benz 2008 ML 550 Operator's Manual download pdf (Page 420)

419

Practical hints

What to do if …

Display message Possible cause/consequence Possible solution

ESP

Unavailable

See Operator’s Manual

The ESP

®

was deactivated because

of insufficient power supply. The

charging voltage has fallen below

10 volts.

The brake system is still functioning

normally but without the ESP

®

available.

When the voltage is above this value again, the

ESP

®

is operational again and the message in

the multifunction display should disappear.

If the message in the multifunction display does

not disappear:

왘 Have the generator (alternator) and the

battery checked.

왘 Have the system checked at an authorized

Mercedes-Benz Light Truck Center as soon

as possible.

If the yellow ESP

®

warning

lamp v flashes while driving and

this message appears, the 4-ETS has

switched off to prevent overheating

of the drive wheel brakes.

As soon as the brakes have cooled off, the

4-ETS switches on again.

The message in the multifunction display disap-

pears and the ESP

®

warning lamp v goes

out.

The self-diagnosis has not been

completed yet.

The display will clear after driving a short

distance at a vehicle speed of above

12 mph (20 km/h).

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