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Rear suspension stuck in high position Mercedes S430 2001

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Posted on Jan 02, 2017

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SOURCE: rear air suspension on my 2000 buick lesabre is

You need to replace the ride level sensors.  They are located in the back part of the car, normally on the crossbeam between the back wheels.

Posted on May 04, 2009


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B1121 definition code for Mercedes benz c240 My car it's running great but I resiving this code

Go to OBD2 codes. Put in the year make & model. Or google it B1121 Meaning :

Body Code
ProblemB1121 Meaning :
Body Code
Problem is antilock brake system, electronic suspension and steering systems.
MFG - Manufacturer Specific
Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
TFP Valve Position Switch-Drive Without Drive Ratio is antilock brake system, electronic suspension and steering systems.
MFG - Manufacturer Specific
Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
TFP Valve Position Switch-Drive Without Drive Ratiogle it

Aug 09, 2017 | Cars & Trucks

1 Answer

I have a 04 Mercedes Benz E500 4matic and the rear air suspension is stuck fully inflated what is wrong.

pump seems to be over running or stuck at max find pump disconnect it then disconnect battery reverse procedure u should be fine . unless air hose to shocks is stopped up somehow my caddy did the same thing

Jan 19, 2017 | 2004 Mercedes-Benz E

1 Answer

The rear end of the SUV locks down like it has been lowered or there is way too much weight in the rear of the car. It's like the shocks colapsed.

What's the make and model vehicle? There are several makes out there - most famously Land Rovers - that have air suspensions. A failed pump or opened system will produce the result you mentioned. There are other systems where hydraulic fluid is used along with an engine driven pump to set the suspension. Mercedes was famous for doing that for a while.

Good luck.

Mar 19, 2015 | Cars & Trucks

1 Answer

Rear air shocks stuck in the up position

look for a little lever on rear suspension to electrical valve for shocks
it is not attach or missing to small ball
hope it helps

Mar 30, 2014 | 2000 Buick LeSabre

1 Answer

2003 Yukon Denali has Service ride Control Warning..wat to do?

Hi Jose:
The first place to start is to have Ride Control Module scanned for trouble codes, this requires a high end scan tool. Most common problem is the air compressor in the rear or a height sensor. Here is how the system works.

Automatic Level Control Description and Operation
The RTD system is bi-state real time damping system. The Suspension Control module controls the suspension damper solenoids and suspension position sensors, along with parts of the automatic level control (ALC) system and electronic variable orifice (EVO) power steering system.

The Automatic Level Control system consists of the following:
• Suspension Control Module
• Compressor/Leveling Module
- Air Pressure Sensor
- Exhaust Solenoid
• Compressor Motor Relay

The objective of the Automatic Level Control System is to provide constant ride height at all load conditions. The Suspension Control module monitors body-to-wheel height, and vehicle speed.

The Suspension Control module will use the rear body-to-wheel displacements and vehicle speed inputs to keep the rear trim height of the vehicle at its desired level.

The electronic suspension control (ESC) system is bi-state real time damping system. The ESC module controls the suspension damper solenoids and suspension position sensors, along with parts of the automatic level control (ALC) system, if 1500 series.

The ESC system consists of the following:
• The ESC module
• The compressor/leveling module, if 1500 series
- The air pressure sensor, if 1500 series
- The exhaust solenoid, if 1500 series
• The compressor motor relay, if 1500 series
• The steering handwheel speed/position sensor
• The suspension damper solenoids
• The suspension position sensors

Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

Nov 16, 2011 | 2003 GMC Yukon Denali

1 Answer

What is a clunk in rear end after driving 20 minutes?

These models generally have an air suspension set up in the rear. It is very possible to have a worn shock assembly and require replacement. Have the suspension inspected by a trusted shop who knows Mercedes in your area. Beautiful cars! Let me know what they say if you have doubt about their integrity or ability.

Oct 28, 2010 | 2000 Mercedes-Benz S-Class

1 Answer

Rear suspension stuck down. 96 crown victoria

these cars try to compensate for weight so the car will deflat the system to lower the rear when jacked up so when you put the car back down it almost touches the ground like a low rider, i think this is what you mean by suspension stuck down?? so all you have to do is start it. it should automatically adjust its self to the right inflation.bringing the car back up to position

Apr 10, 2009 | 1994 Lincoln Town Car

3 Answers

1996 Mercedes Benz E-Class Saloon, Reversing lights not working

bulbs burned out or vehicle not recognizing reverse gear engaged at shifter-check wiring before condemning shifter assembly

Aug 07, 2008 | 2008 Mercedes-Benz Mercedes Benz E Class

1 Answer

1993 Mercedes Benz 300E, right rear squeak

Common causes for High-pitched noise from rear wheels are:

The wheel bearing: this is not usually dangerous in the short term, but I recommend contacting a mechanic and having it fixed. To test the wheel bearing, you lock front wheels, and jack up the car rear and spin the wheel (handbrake unlocked). If bearing is worn you hear a drone. When is the bearing, often car starts vibration above 40 mph.
Noise from bearing can be continuous, intermittent, only when steering, only when hot.

The brake pads: when brake pads are worn out they start making a squealing noise, in this case the noise is only when you brake or continuous. When you jack up the car the wheel may be a little stiff, but not necessarily.When brake pads are completely gone you also hear a scratching noise when braking. Inspect your brakes immediately.

Other suspension problems: Jack up the car as suggested above, check if the wheel has a slight play on the sides. Check all of the suspension components, suspension mounting points, and steering linkage for damage. Also, check the frame rail for wrinkles. It is very important that these components be in good condition, if you notice any problem here, go immediately to a mechanic.

Try doing the simple test above, reinstalling the wheel and working the tire back and forth. This is a common test for bad ball joints and wheel bearings.

Jul 17, 2008 | 1993 Mercedes-Benz Mercedes Benz 300 Class

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