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Check engine light on. changed glow plug which was suspected…

Customer Question
Check engine light on...

Check engine light on. changed glow plug which was suspected problem. and light still on.

Mechanic's Assistant: Does the light stay on, or does it blink?

Steady on

Mechanic's Assistant: What is the model/year of your Mercedes?

06 E320 CDI

Mechanic's Assistant: Are you fixing your E320 Cdi yourself? What have you tried so far?

Soon to be ex husband did work

Submitted: 7 months ago.Category: Mercedes
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Answered in 7 minutes by:
12/15/2017
Mercedes Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 7 months ago
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Mercedes
Satisfied Customers: 5,652
Experience: Owner at Carolina Auto Service & Sales , 20 years experience in Foreign & Domestic vehicles
Verified

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

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Mercedes Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 7 months ago

Hey how are you,I will try to help you with this issue

has the fault codes been cleared and came back on , and do we still have P0300 or another one

the P0300 is random multiple misfire, usually vacuum leaks, fuel pressure not glow plugs

lets start here and we go from there

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