Name: Mercedes-Benz EGR valve replacement
Brand: AutoGuru
Rating: 5.0 (1 reviews)

Frequently Asked Questions

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Car servicing, inspections and minor repairs such as brakes can be instantly quoted and booked online. For complex repairs, we’ll get local service providers to give you a personalised quote.

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AutoGuru can provide servicing and repair quotes for the majority of passenger vehicles on Australian roads. If you don’t see your vehicle listed, we’re really sorry but at this time we don’t have sufficient details on this vehicle type to provide you with quotes. Please try us again in the future though, as we are always updating our vehicle listings!

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Instantly priced quotes for servicing and repair work via AutoGuru.com.au include parts, labour and GST. Note: Quotes for inspection and diagnostic jobs do not include pricing for parts.

Service providers are advised to contact you directly in order to discuss additional work that is not included in the initial quote.

Inclusions for basic and logbook services can be found on the search results page or the booking finalise page under the ‘What’s included?’ button. Find out more

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If you booked through AutoGuru and your booking has been confirmed, you can reschedule to a new date or time. Simply click the 'manage my booking' link on your booking confirmation email. If you need help email contactus@autoguru.com.au. If you cancel or don't show up and don't reschedule (and you have prepaid in advance), a $20 cancellation fee will apply.

If you’ve booked with a workshop, the service provider will usually require your vehicle for the entire day due to scheduling. If you’ve booked with a mobile provider, you will only be without your vehicle for the time it takes to complete the job. Find out more

Yes! Some service providers can offer a loan car depending on their availability. Find out more

Most service providers also offer either a drop off or pick up service, where they can drop you off at or pick you up from a location within a 5km radius of their business, or a $10 Uber ride voucher. Find out more

For servicing, inspections and select repairs, we can provide instant quotes. However, some tasks require a quote request to be sent to service providers. You will usually receive at least one quote within 24 hours.

If you have sent off a quote request to local service providers through AutoGuru, you can expect to receive up to five quotes back.

Didn’t receive a quote? No worries! Email contactus@autoguru.com.au and we'll see if we can help.

Booking your car service or repair through AutoGuru gives you access to these convenient payment options:

1. Pay upfront and online using your credit or debit card or PayPal
2. Flexible payment options with Afterpay, humm, Zip or PayPal
3. In some instances, you can choose to pay the mechanic when you pick your car up and the service and/or repairs have been completed

Yes, all service providers should provide an invoice when you pick up the car. Find out more

Does the EGR Valve on My Mercedes-Benz Need Replacing?

The exhaust gas recirculation (EGR) valve recirculates a portion of the exhaust gas that would normally go through your Mercedes-Benz's exhaust system and mixes it in with the fresh air inside the intake manifold. These gases are then burned off as they pass back through the combustion process.

Reducing the volume of emissions going through an exhaust system lengthens the life of a catalytic converter and helps the environment, and most modern Mercedes-Benz's have either an external or internal EGR valve.

The EGR valve is a vacuum or electric-controlled unit that is bolted onto the engine. Exhaust gases travel through pipes entering one port of the EGR and then exit out another port into the intake manifold.

On an internal EGR, various methods are utilised to recirculate the exhaust gases to be part of the combustion process.

An EGR valve can fail when it loses vacuum, the diaphragm is perforated, it is full of gunk, or the valve gets stuck open. When this happens the EGR valve will need to be replaced. With electric EGR valves, the problem could be an issue with the wiring.

Symptoms of a faulty EGR:

Scan tool shows EGR error code

Service engine light on

Engine misfire

Engine vibration

When your EGR valve fails, the check engine warning light will usually illuminate on the dash and your Mercedes-Benz may run rough. The engine may run lean or rich, depending on why the valve has failed.

If left for too long a faulty EGR valve can lead to permanent engine damage. Best to get it replaced as soon as possible to avoid further complications and expenses.

You may also want to consider periodic carbon cleaning of the EGR valve. If cleaning is not an option, it will need to be replaced.

If your looking for a top mechanic to replace your Mercedes-Benz EGR valve book the best through AutoGuru.

Frequently Asked Questions

Mercedes-Benz EGR valve replacement

Mercedes-Benz EGR valve replacement

Does the EGR Valve on My Mercedes-Benz Need Replacing?

Mercedes-Benz Models

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