Fuel Trim Malfunction (bank 1 and 2) - Mercedes-Benz Forum

LinkBack Thread Tools Display Modes
post #1 of 3 (permalink) Old 06-26-2011, 09:22 AM Thread Starter
BenzWorld Member
El Prez's Avatar
Date registered: Jan 2009
Vehicle: 1996 S500 and 2002 S600
Location: Vancouver, Canada
Posts: 307
Mentioned: 1 Post(s)
Quoted: 1 Post(s)
Send a message via Skype™ to El Prez
(Thread Starter)
Question Fuel Trim Malfunction (bank 1 and 2)

Please can anyone tell me what this code means -Fuel Trim Malfunction (bank 1 and 2)? It came up with the MAF circuit malfunction code. What can I do to address it? Thanks

2001 S430 - The Silver Bullet - sold - Jan 2013
1996 S500 - The New Kid On The Block
1995 S320 - The Graceful Grey Girl - sold - Feb 2011
1992 500 SEL - The Big Black Beautiful Beast - deceased Jan 2010
El Prez is offline  
Sponsored Links
post #2 of 3 (permalink) Old 06-26-2011, 12:31 PM
BenzWorld Elite
jhodg5ck's Avatar
Date registered: Sep 2002
Vehicle: Depends on the day!
Location: Atlanta, GA (Lilburn)
Posts: 13,323
Mentioned: 0 Post(s)
Quoted: 16 Post(s)
Send a message via AIM to jhodg5ck
typically it's the MAF causing all that you are seeing.

Blue Ridge Mercedes/AMG East
Jonathan Hodgman
Enthusiast Service, Restoration & Tuning.
Authorized RENNtech Dealer & Installer
Follow Us on Facebook!
Located in the Atlanta area

87 Hammer Wagon 6.0L 32V
87 Hammer 6.0L 32V
86 560SEL AMG 6.0 32V

Mercedes Repair Atlanta
jhodg5ck is offline  
post #3 of 3 (permalink) Old 06-26-2011, 05:04 PM
Lifetime Premium Member
eddie a's Avatar
Date registered: Jul 2008
Vehicle: 84 500 SEL ...94 S420..... 95 S500.... 96 S500 95 S600
Location: Northbridge Ma
Posts: 1,689
Mentioned: 2 Post(s)
Quoted: 25 Post(s)
Lifetime Premium Member
eddie a is offline  
Sponsored Links

  Mercedes-Benz Forum > Mercedes-Benz Sedan Forums > W140 S-Class

Quick Reply

Register Now

In order to be able to post messages on the Mercedes-Benz Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Similar Threads
Topic Author Forum Replies Last Post
P0170 Fuel Trim Malfunction (Bank 1) hp9946 W202 C-Class 0 07-23-2010 07:29 AM
Need Special Help With -- P0170 Fuel Trim Malfunction (Bank 1) code!!! mylittlebenz R170 SLK-Class 4 01-22-2010 07:31 PM
Fuel Trim Malfunction Bank 2, cause??? medicchief R170 SLK-Class 2 08-12-2009 03:18 PM
Fuel Trim Malfunction (Bank 1 & 2) skipinschool W210 E-Class 3 09-14-2006 03:56 PM
P0173 Fuel Trim Malfunction (Bank 2) MADSLEG W163 M-Class 3 06-07-2006 07:02 AM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Title goes here

video goes here
description goes here. Read Full Story
For the best viewing experience please update your browser to Google Chrome