Mercedes Benz SLK R172 - Engine Warning Light On | HELLA

Mercedes Benz

SLK R172

Model Year: 2011 – 2016

Engine: OM651

Engine Warning Light On

Error Code: P04091C, P040496, P040600

Faulty Position Sensor for Electric Exhaust Gas Recirculation Actuator…..

If the fault described above occurs together with the listed error codes, a possible cause is a faulty EGR valve (exhaust gas recirculation valve).

Remedy:

In order to exclude other sources of the problem, first check the periphery (power supply, plug connections, etc.) of the exhaust gas recirculation system.

If no fault is determined here, check the article number of the EGR valve.

The items with the following article numbers are faulty

- A651 140 06 60

- A651 140 07 60

These parts must be replaced with an updated EGR valve with the article number A651 140 08 60.

After the EGR valve has been replaced, read the error memory of the vehicle using a diagnostic unit and delete existing error codes.

A test drive should then be carried out and the error memory read again.

Important safety notice
The following technical information and tips for practical use have been set up by HELLA in order to offer professional support to automotive workshops in their daily work. The information available here on this website is only to be used by appropriately trained specialist staff.

The reprinting, distribution, reproduction, exploitation in any form and disclosure of the contents of this document, even in part, is prohibited without our express written approval and indication of the source. The schematic illustrations, figures and descriptions are for explanation and presentation of the document text and cannot be used as a basis for installation or design. All rights reserved.

How helpful is this article for you?

Not helpful at all

Very helpful

Please tell us what you did not like.
Many thanks. But before you go.

Sign up for our free HELLA TECH WORLD newsletter to receive the latest technical videos, car repair advice, training course information, marketing campaign details and diagnostic tips.

Show additional information on our newsletter Hide additional information on our newsletter

Register for our free HELLA TECH WORLD newsletter to stay up-to-date with the latest technical videos, car repair advice, trainings, diagnostic tips and marketing campaigns.

Together we can get cars back on the road quickly!

Please note:
You will only be subscribed to the newsletter once you have clicked on the confirmation link in the notification e-mail you will receive shortly!

Data Protection | Unsubscribe

Please note:
You will only be subscribed to the newsletter once you have clicked on the confirmation link in the notification e-mail you will receive shortly!

Data Protection | Unsubscribe

Almost There!

All you need to do is confirm your sign up!
We've sent an e-mail to your email address.

Check your inbox and click on the confirmation link to start receiving HELLA TECH WORLD updates.

Wrong e-mail or no confirmation received?
Click here to enter it again.