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Practical hints
What to do if …
Display symbol Display messages Possible cause/consequence Possible solution
:
Engine oil level
Reduce oil level
E 320 CDI, E 500, E 55 AMG only:
You have added too much engine oil.
There is a risk of damaging:
ț the engine
ț the catalytic converter
̈ Have oil siphoned or drained off. Ob-
serve all legal requirements with re-
spect to its disposal.
Oil sensor malfunction
Visit workshop
E 320 CDI, E 500, E 55 AMG only:
The measuring system is malfunctioning.
̈ Have the measuring system checked
by an authorized Mercedes-Benz
Center.
Change engine oil
Visit workshop
E 320 CDI, E 500, E 55 AMG only:
It may be that there is water in the engine
oil.
̈ Have the engine oil and the cooling
system checked.