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Mercedes-Benz steering & suspension repair questions and answers

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  • Boopster
    Boopster - 1999 Mercedes Benz E320 - Steering & Suspension - 9/17/2014
    What tools are needed to replace the front right lower control arm on a 1999 Mercedes Benz E320?
    Control arm snapped off.
     
    0 answer
  • Carl
    Carl - 1994 Mercedes Benz E320 - Steering & Suspension - 8/6/2014
    Can I repair my L/F "Upper Control Arm"?
    In a collision with an on-coming car from the left-front, my L/F tire (wheel) was directly hit-- moving it almost to the wheel well. When any bumps or dips in the road are encountered, the sharp outer edge of the wheel well scrapes the tires outside tread/ ...
     
    • CTB1053
      8/6/2014 CTB1053
      I would never try to repair a bent control arm. They weren't made to bend and bending it back is asking for it to break. Can you replace it, yes, depending on your mechanical ability and tools. There are usually only three or 5 bolts holding a control arm on. But it's likely the strut and steering knuckle would need removed or unattached as well. There are a number of online source to explain how to do it or you can go to your local library and see if they have a Chilton's or Haynes repair manual you can look at. The parts can be found at scrap yards but check online (like Ebay) it may not be as expensive as you think just to get new.
  • AutoMD Member
    AutoMD Member - 1997 Mercedes Benz E320 - Steering & Suspension - 7/1/2014
    I by mistake put a little power steering fluid where the brake fluid goes, how do i flush it out?
    for the last month or so i have been putting power steering fluid in and it comes back on the ground, i believe there is a hole somewhere, but my wife accidently put a little power steering fluid where the brake fluid goes, luckily it did not go down, can i manualy ...
     
    0 answer
  • john
    john - 1986 Mercedes Benz 420SEL - Steering & Suspension - 6/14/2014
    Steering wheel is in lock position and key will not turn.
    car has not been started in a year.have charged battery and is getting power.
     
    0 answer
  • deans
    deans - 2000 Mercedes Benz S430 - Steering & Suspension - 5/3/2014
    I replaced both front air suspension on Mercedes s430 after replacing .power steering hard to turn,are they related.
    hard steering.
     
    0 answer
  • deans
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2000 Mercedes Benz S430 - Steering & Suspension - 2/12/2014
    2000 Mercedes-Benz S430 question regarding failure of Airmatic Pump, Air suspension shocks and or relay.
    Thank your for reading my concern, and question. This is what I know so far: I purchased this card about (3) months ago and the car would lose air pressure in the front if i did not drive the car every day. I would let it sit for (3-4) days, and the car would be ...
     
    • Jimm
      2/12/2014 Jimm
      Most likely - and given your description - it sounds like the air pump for the suspension system is failed. Several possibilities; leaking air spring, faulty air supply hose, leaking air suspension pump.

      Try these on-line sources, www.arnottindustries.com, wwwpartsgeek.com, www.rockauto.com, www.discountautoparts.com, www.autopartswarehouse.com, www.strutmasters.com - to list only a few possibilities. They (Arnott Industries and Strut Masters) list the the coil spring conversion kit from around $1695.00 for your vehicle.
      Jimm
      2/12/2014 AutoMD Member
      Thanks for your reply
  • AutoMD Member
    AutoMD Member - 2012 Mercedes Benz C63 AMG - Steering & Suspension - 1/13/2014
    Steering response feels loose over 60 mph.
    On the highway, at speeds over 60 mph, the steering feels "loose". When traveling on a straight line at those speeds, if I shake the wheel a bit side to side there almost seems to be a delay in the response and when the car does move it does so with an almost ...
     
    • Jimm
      1/11/2014 Jimm
      May be related to the design of the 'speed sensitive steering' - and I'll bet the dealership will state this is a normal condition. Aside from the items listed below, I'd recommend to drive another C63 just for compariosn sake.

      Several possibilities;

      1) tie-rod ends are worn (which will definately create a loose feeling plus the car would wander a bit on a unevenly surfaced road)

      2) Worn out control arm bush (also creates more slack)

      3) Worn out front shock absorber mountings (they are rubber with bearings)

      Once you change some or all of the above, depending on what's worn, the car should have some sharp steering.
    • HouseCallAuto
      1/11/2014 HouseCallAuto
      I can assure you that you do not have worn out front end parts. This car is brand new and has not had enough time to wear out anything yet. You mention this floaty feel. Are you comparing this to a time when the car did not do this or is this car just recently acquired and this is what you believe to be incorrect handling? Your car may have ABC button (Active Body Control) with a changed setting. Confirm that your tires are not very low on air due to the drop in temperature that the USA is experiencing.
      HouseCallAuto
      1/13/2014 AutoMD Member
      It started two monthts ago when I hit a pothole. A 4 wheel alignment was done that made it better, but not perfect. A couple of weeks after that, the steering wheel was replaced due to peeling and all of a sudden the steering was perfect. Now its back to the loose feeling. I constantly check the tire pressure to make sure its balanced.
    • HouseCallAuto
      1/13/2014 HouseCallAuto
      Are there any fault messages posting at the message center?
      HouseCallAuto
      1/14/2014 AutoMD Member
      No fault messages.
  • AutoMD Member
    AutoMD Member - 2012 Mercedes Benz C63 AMG - Steering & Suspension - 12/24/2013
    What could cause loose feeling in my steering.
    On the highway, at speeds over 60 mph, the steering feels "loose". When traveling on a straight line at those speeds, if I shake the wheel a bit side to side there almost seems to be a delay in the response and when the car does move it does so with an almost ...
     
    • HouseCallAuto
      12/24/2013 HouseCallAuto
      Maybe you changed a setting on the suspension button that you were not used to. My MB has ABC (active body control) and the settings change the steering and the ride noticeably. Aside from that this is going to need a MB tech only, it is not general knowledge known by 99% of techs. Of course I could simply say make sure your tire pressures are all correct but that is not likely the cause so I didn't say it. This is a new car and diagnostics has to be with a MB only star tester.
  • AutoMD Member
    AutoMD Member - 2005 Mercedes Benz C320 - Steering & Suspension - 12/9/2013
    Why does my car squeek when i hit a bump
    50,000 miles squeek noise comes from the front of the vehicle when i hit a bump in the road
     
    • Jimm
      12/9/2013 Jimm
      Several possibilities; worn / faulty sway arm bushing or end link bushing, faulty / worn strut bushing, faulty / worn suspension bushing. Use the 'How-to-Guides' feature on the AutoMD website for the specific steps to diagnose the front suspension for adverse noises and conditions.
  • angel laureano
    angel laureano - 2012 Mercedes Benz Sprinter 3500 - Steering & Suspension - 11/28/2013
    Suspension service what is on Denali Yukon
    Panel light blinking the frase "suspension service "
     
    • HouseCallAuto
      11/28/2013 HouseCallAuto
      Why have you selected a 2012 Sprinter? Please restart your question properly and I am happy to try to help.
  • AutoMD Member
    AutoMD Member - 2000 Mercedes Benz S430 - Steering & Suspension - 11/18/2013
    RPM going above 3.5 at 55-60kmph. avg 3 kmphSometime back shifter got stuck which was fixed by a local mechani
    I am in a fix pl help. I bought a car MBs430 on recommendation of friend. I did not have any tech knowledge about cars at all. In last three months it has created prob. My shifter got stuck and was fixed by a local mechanic. Now my rpm is going above 3.7 at ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2008 Mercedes Benz CL550 - Steering & Suspension - 11/18/2013
    Why would the abc main pressure hose fail with only 46k miles.
    What are the possible causes for this. Can the failure of another component in the system cause or contribute? Is there a history of hose problems on this model? Can I just replace the hose with a new one and not worry?
     
    • HouseCallAuto
      11/18/2013 HouseCallAuto
      this model and any MB model has a history of problems in general with the abc pump. I just got an SL550 with 49K and it needs a "muffler" for the abc pump. The part costs $400 and from what I read, it seems that the service dept sells seemingly everyone the complete abc pump for some big number like more than $3K
  • justmaxin
    justmaxin - 2002 Mercedes Benz S600 - Steering & Suspension - 10/16/2013
    My right front suspension goes flat when parked for some time. Abc leak?
    Abc valve block leak / blockage is said by the dealer
     
    • HouseCallAuto
      10/16/2013 HouseCallAuto
      Yes this sounds familiar to what I read on some other internet posts, but I am not a MB guy although I'm becoming one as I just purchased an 07 SL550 with the ABC system. This is definitely NOT a DIY job. There diagnosis sounds accurate. Its gonna be expensive. There are two separate technical service bulletins that talk about the fix. Ill post the bulletin numbers and you can ask MD to print them for you or maybe you can find them on the internet.
      LI32.50-P-046012
      LI32.50-P-044994

      Cause could be related to low on hydraulic fluid but even if that was the case you need MB compatible scan tool to bleed the suspension of air in a certain "mode" selected on the scan tool. It gets deep.

      I intend to purchase a knockoff Mercedes Benz scanner (China) so that I never get causght needing the dealer to do anything. It is cheap and will pay for itself instantly here >> http://www.aliexpress.com/.../1032859817.html
  • barbara.strahl
    barbara.strahl - 2000 Mercedes Benz ML320 - Steering & Suspension - 9/8/2013
    Will hot shift out of park has to be manually overridden goes into "limp" mode when goes into drive
    lights in dash that indicate what gear it is in is not lit up
     
    0 answer