Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help

Go Back   PeachParts Mercedes-Benz Forum > Mercedes-Benz Tech Information and Support > Tech Help

LinkBack Thread Tools Display Modes
Old 08-23-2008, 03:35 AM
Registered User
Join Date: Jun 2008
Posts: 81
Exclamation when hitting brake rpm drops

i have a 94 e420 when i hit the brakes my rpm hand goes below 5 an it act as if it want to cut off but once car comes to a complete stop it would go back up . i put a new belt on it about six months ago . i notice to that the belt tensioner jumping a bit is this normal or do i need to get a tensioner. an where can i get a combination relay from that is cheap. could someome help

Last edited by nucor; 08-24-2008 at 01:25 AM.
Reply With Quote
Old 08-25-2008, 09:14 AM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
Most idle problems are related to the throttle body control on that model.

Many times cleaning the throttle with a "scotch-brite" pad will help the idle problem.

Most cars from 1986-95 used that type of combination relay. Including W124/126/201/202 chassis cars.

MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator
Reply With Quote


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not 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 On
Trackbacks are On
Pingbacks are On
Refbacks are On

All times are GMT -4. The time now is 09:10 PM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2024, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2018 Pelican Parts, LLC - Posts may be archived for display on the Peach Parts or Pelican Parts Website -    DMCA Registered Agent Contact Page