Skip to content
Emergency
KNOWN FAULT · Mercedes-Benz

COMAND screen goes black and electronic faults on the Mercedes S-Class (W220)

Sources are not verified in real time and no entry confirms that your car is affected.

Engine / equipment
S-Class (W220)
Period mentioned
1998–2005
Symptoms
The COMAND screen (navigation, radio and phone) stays black or stops working altogether; more rarely, engine management or immobiliser faults that stop the car from starting.
Possible cause described
AUTO BILD reports that the COMAND system malfunctions or fails completely, that its screen often stayed black, and that engine management or immobiliser failures cannot be ruled out.
Check for the garage
Read the faults in all the control units with Mercedes diagnostic equipment before replacing parts. Check the battery and the COMAND power supply, because low voltage causes similar faults.
Cost cited in the source
No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Sources from the original database

Has this happened to you?

Anonymous answer, no personal data.

Frequently asked questions

How much does it cost to repair this fault?

No verified estimate; ask the garage for a quote.

A rough figure from the original database, not an up-to-date quote.

Calculate estimate
How is it checked?

Read the faults in all the control units with Mercedes diagnostic equipment before replacing parts. Check the battery and the COMAND power supply, because low voltage causes similar faults.

What are the symptoms?

The COMAND screen (navigation, radio and phone) stays black or stops working altogether; more rarely, engine management or immobiliser faults that stop the car from starting.

Which cars and years does it affect?
Brands
Mercedes-Benz
Engine / equipment
S-Class (W220)
Period mentioned
1998–2005

Taking it to a garage?

Find garages near you and, before you say yes, check whether the quote is reasonable.

Models with this entry

Other entries for these makes

Something not right on this page?