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Mercedes-Benz steering & suspension repair questions and answers

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  • 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
  • avaldes596
    avaldes596 - 2002 Mercedes Benz CL500 - Steering & Suspension - 8/26/2013
    Warning light: active body contro, drive safely
    The body goes down stopped and driving and the suspension is no working good because that create that the tire touch the body when you are driving
     
  • b.feeney
    b.feeney - 1995 Mercedes Benz E320 - Steering & Suspension - 8/3/2013
    Suspension squeaking when turning steering wheel left or right
    Also when going over bumps. It is coming from the front drivers side.
     
    • Jimm
      8/3/2013 Jimm
      Several possibilities; worn / faulty strut mount bushing, worn / faulty steering rack and pinion, worn / faulty idler arm bushing.
      Check the many on-line auto parts sources, such as; www.autopartswarehouse.com, www.partsgeek.com, www.rockauto.com - to list only a few. For example, they (RockAuto) list the idler arm bushing kit from around $16.30 for your vehicle. The idler arm bushing is easily replaced.
      Check the 'How-To-Guides' feature on the AutoMD website for the steps to replace the idler arm bushing.
      Jimm
      8/4/2013 b.feeney
      Thanks for the information. I will check it out
  • b.feeney
    b.feeney - 1995 Mercedes Benz E320 - Steering & Suspension - 8/3/2013
    Squeeking sound when turning the steering wheel back and forth. It is not the drive belt.
    Sound appears to be coming from left front suspension area
     
    • Jimm
      8/3/2013 Jimm
      Several possibilities; worn / faulty strut mount bushing, worn / faulty steering rack and pinion, worn / faulty idler arm bushing.
      Check the many on-line auto parts sources, such as; www.autopartswarehouse.com, www.partsgeek.com, www.rockauto.com - to list only a few. For example, they (RockAuto) list the idler arm bushing kit from around $16.30 for your vehicle. The idler arm bushings are easily replaced.
      Check the 'How-To-Guides' feature on the AutoMD website for the steps to replace the idler arm bushings.
  • fraziererskine
    fraziererskine - 2006 Mercedes Benz E500 - Steering & Suspension - 7/13/2013
    How do you deactivate rear air suspension to remove axles
    must you have a factory scanner to deactivate and reactivate or is there a procedure I can use to get around this.
     
    • Jimm
      6/29/2013 Jimm
      Prior to jacking or lifting a vehicle with air suspension, you must turn off the suspension switch. The switch is generally located in the trunk or on the right side of the passenger foot well.
    • mattolise
      7/13/2013 mattolise
      mercedes c320 just stoped while on motion, pls what could be responsible?
  • skayfrench
    skayfrench - 1980 Mercedes Benz 450SL - Steering & Suspension - 7/4/2013
    Do I need special tools/skills to replace the power steering gaskets in the pump and steering box?
    The car is actually a 1975 MB450Sl, but your chart only goes to 1980
     
    • Jimm
      7/4/2013 Jimm
      No special tools needed - simple hand tools; sockets / rachet set. Maybe a three-jaw puller for the initial steering box removal. As far as skills - as long as you can foolow the steps in a detailed repair manual - you should be OK.
      Check the many on-line auto parts sources, such as; www.partsgeek.com, www.carpartswarehouse.com, or www.rockauto.com for the replacement parts.
  • Reydesantos
    Reydesantos - 2008 Mercedes Benz E550 - Steering & Suspension - 6/6/2013
    The air suspension will and rise what are the causes
    I checked the air compressor relay and the are good but not module or sensor if there are level sensor
     
    0 answer
  • david.brindley111
    david.brindley111 - 2009 Mercedes Benz CLS550 - Steering & Suspension - 6/6/2013
    What will cause the suspension to not raise and bottom out on the passenger side only?
    I can hear a noise like air squeaking out from under the front passenger side of the car.
     
    • frankiedonnn
      6/6/2013 frankiedonnn
      Im not familiar with Mercedez Benz but i take it you have air suspension like the Citron that rises when the vehicle is started and falls when switched off.If thats the case then it seems like there's an air leak some where in the hoses.
  • david.brindley111
    david.brindley111 - 2009 Mercedes Benz CLS550 - Steering & Suspension - 6/5/2013
    What will cause the car to not raise (bottom out) on the passenger side?
     
    0 answer
  • wt123456
    wt123456 - 2004 Mercedes Benz E500 - Steering & Suspension - 6/1/2013
    Does Air shock strut assembly go bad as early as 50k miles?
    I have 3 vehicles.I live in Florida and rarely drive the car and left front won't hold air without any warning ! Car Drove fine to store and always have. I opened the trunk and heard air leaking out and it won't hold air on the left front side of the car. The Dash ...
     
    • Jimm
      6/1/2013 Jimm
      It's possible the air shock / strut assembly may leak after 50k miles. Check the many on-line auto parts sources, such as; www.autopartswarehouse, www.carpartswarehouse.com, www.shockwarehouse.com or www.rockauto.com, or www.fcpeuro.com for the replacement parts.
  • MBny
    MBny - 2003 Mercedes Benz C230 - Steering & Suspension - 4/28/2013
    How do I fix the controls on my steering wheel?
    The controls on the left side of my steering wheel have stopped working. These are the controls that are used to access computer information like my mileage. Is this from a fuse that needs to be changed?
     
    • Jimm
      4/28/2013 Jimm
      There are only three connections from the switch group to the clockspring. If half works and half doesn't it will be a bad switch group. There is also the possibility of loose wires or connection on the switches on that side. All of the controls on the steering wheel are just input switches to a SAM using one of the serial data busses in the car. None of them switch any direct power like the switches from the older generation of cars.

      You may need to replace the switch group (either left or right sides) on the steering wheel. Check with the dealership and provide your VIN number for the correct part.
      Jimm
      4/30/2013 MBny
      Thank you Jimm.
  • nrc
    nrc - 2006 Mercedes Benz R350 - Steering & Suspension - 4/11/2013
    My R350 is tilted on the front and rear of the passenger side
    The indicator is showing check tire pressure and to reactiveate flat tire indicator. Tire pressures are normal on all wheels.
     
  • lschors
    lschors - 2003 Mercedes Benz C240 - Steering & Suspension - 4/5/2013
    Every pot hole/ bump very loud from the front end I was told $1900 replaces sway/balljoints all. Dad cannot not find
    Dad is a retired mechanic (40+yrs) nothing is loose, all looks good. What could be the cause; a cadilac dealer told me it was something with the strut, maybe a gasket. (my car was in for collision repair)
     
    • Jimm
      4/5/2013 Jimm
      Several possibilities; faulty / worn strut mount (upper or lower), faulty / worn control arm bushing, faulty / worn sway arm bushings or end links.
      Check the 'How-To-Guides' feature on the AutoMD wesite for the specific steps to check the front end and suspension for wear. Do not overpay by $1900.00 until the exact cause of the problem is determined. Get a second, or even a third opinion / estimate as necessary.

      Check the many on-line auto parts sources, such as; www.autopartswarehouse.com, www.rockauto.com,, or www.partsgeek.com - to list only a few. For example, they (RockAuto) list the front strut mount (upper) from around $58.00 (per side) and the front left or right upper control arm (includes ball joints and bushings) assembly from around $42.00 each for your vehicle.
      There are less expensive means to accomplish the required repairs.