Check engine lights on hard to start

LITTLE STEVE

MEMBER
2007 MERCEDES BENZ R350
0.5L
V6
AWD
AUTOMATIC
13,000 MILES

Hard to start when start it runs great more I drive it easier it is to start, check engine light will stay on then. The check engine light will go off it will start and run fine and stay off for a while leave it set check engine light come back on and be hard to start. Once it starts it runs fine and gets better as I keep starting it.

2 Replies

AL514

MECHANIC
4,711 POSTS

First thing is to have the computer scanned for diagnostic codes. There is defiantly a code or more stored in the ECM. This will lead you in a direction to start looking for problems.

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Monday, November 7th, 2016 AT 4:32 PM

RENEE L

ADMIN
1,260 POSTS

Hello LITTLE STEVE,

If you decide to conduct the scan yourself here is a link that features an article with written step by step instructions and pictures explaining how to do the scan yourself, also I have included a link to our YouTube channel with a how to video on code scanning.

This is applicable even if your check engine light is not on.

Most scanners are inexpensive to purchase, you can purchase one online from sites like Amazon.com

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

https://youtu.be/YV3TRZwer8k

Once you have the codes please get back to us so that we can further assist you. We are always happy to help.

Thank you for visiting 2CarPros.com.

Kindest regards,

Renee