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Price: $255.16
*Compatibility Chart
1, You can distinguish specific model of an automobile by VIN(Vehicle Identification Number).
2, VIN(Vehicle Identification Number) consists of total 17 English letters and arabic digits.
3, VIN does not include the letters I (i), O (o), and Q (q) (to avoid confusion with numerals 1 and 0).
Mercedes-Benz S-Class W220
Compatile With Airmatic(RWD), 4Matic(4WD) and AMG Model.
S320 LWB Sedan 4-Door 3.2L 1999
S320 SWB Sedan 4-Door 3.2L 1999
S350 Base Sedan 4-Door 3.7L 2006
S420 Base Sedan 4-Door 4.2L 1999
S4304MaticSedan 4-Door 4.3L 2003-2006
S430 Base Sedan 4-Door 4.3L 2000-2006
S5004MaticSedan 4-Door 5.0L 2003-2006
S500 Base Sedan 4-Door 5.0L 2000-2006
S500 Guard Sedan 4-Door 5.0L 2000-2001
S600 Base Sedan 4-Door 5.5L 2003-2006
S600 Base Sedan 4-Door 5.8L 2001-2002
S600 Base Sedan 4-Door 6.0L 2000-2001
S55AMGBase Sedan 4-Door 5.4L 2003-2005
S55AMGBase Sedan 4-Door 5.5L 2001-2002 2004-2006
S55AMGKompressor Sedan 4-Door 5.5L 2003
S65AMGBase Sedan 4-Door 6.0L 2005-2006
*Air SuspensionStructure:
5 A220 320 23 38 Air Suspension Strut
5 A220 320 50 13 Air Suspension Strut
5 A220 320 78 13 Hydropneumatic Spring Leg
5 A220 320 79 13 Air Suspension Strut
8 A220 350 02 37 Boot
11 A220 320 91 13 Hydropneumatic Spring Leg
11 A220 320 92 13 Hydropneumatic Spring Leg
15 A220 540 46 08 Wiring Harness
17 A220 352 00 27 Supporting Joint
20 N 000000 003175 Nut
25 N 910105 014017 Hexagon Head Bolt
30 N 000000 003277 Nut
35 A000 327 03 69 Connector
40 A220 323 02 71 Ts Fastening Parts Kit
*Generation &Evolution:
Mercedes-Benz S-Class
W116 First generation (1972-1980)
W126 Second generation (1980-1991)
W140 Third generation (1991-1998)
W220 Fourth generation (1998-2005)
W221 Fifth generation (2006-2013)
W222 Sixth generation (2014-present)
Specific Versions
Mercedes-Benz S55 AMG
Higher Automotive Performance
&More Dramatic Styling Features
Mercedes-Benz S600
(12-Cylinder Engine Model of the W220)
Mercedes-Benz S65 AMG
(AMG Version of the S600)
*Platform Drive Layout:
Base Model-Rear Wheel Drive Layout
4MaticModel-FourWheel Drive Layout
*Installation Guideline:
Please refer to the manual in gallery above.
Replace self-locking nuts and bolts.
See special information on AIRmatic.
1.Use Star Diagnosis to drain struts (41) prior to working on them.
2.Remove rear wheels.
3.Remove cover (arrow) in parcel shelf.
4.Unscrew pressure line connection (41a).
CAUTION: Residual pressure in strut up to 3.5 bar. If residual pressure valve is damaged, replace the strut (41).
NOTE:Seal off pressure line with blind plugs during repair work.
If pressure line connections or pressure lines are damaged, Repair AIRmatic pressure line connection.
5.Unscrew nuts (41b).
CAUTION: Installation: Fit nuts (41b) and tighten after filling the suspension strut with the vehicle ready to drive.
NOTE: To facilitate tightening operations and ensure the correct torque on the nuts (41b), it may prove useful to remove the trim from the C-pillars.
6.Separate plug-in wiring connection (Y53x1/Y54x1).
7.Unscrew bolts (72d) for suspension strut cover (72c).
8.Unscrew nut (78c) and press linkage rod (78) from torsion bar (77).
9.Unscrew bolts (41c/41d) connecting strut (41) to track control arm (72).
CAUTION: Installation: Fit nut (41d) and tighten after pressurizing the suspension strut with the vehicle ready to drive.
10.Unscrew bolts (41e/41f) connecting track control arm (72) to wheel carrier.
CAUTION: Installation: Fit nut (41e) and tighten after pressurizing the suspension strut with the vehicle ready to drive.
11.Pull down track control arm (72) and remove strut assembly (41) by lowering it and pulling it out to the side.
CAUTION:
Do not damage brake hose.
If replacing or reinstalling the suspension struts (41), check condition of suspension struts and if necessary, Dispose suspension strut.
12.Install in the reverse order.
13.Use Star Diagnosis to recharge the strut (s).
NOTE: Fill to 5 bar.
CAUTION:
During recharging the wheels should never be in contact with the floor; refilling with the suspension compressed leads to destruction of the air spring bellows in the strut (41).
14.Check AIRmatic for leaks.
*Removal Guideline:
Caution: Damage to the vehicle and air suspension system can be incurred if work is carried out in a manner other than specified in the instructions or in a different sequence.
1.To avoid the possibility of short circuits while working with electric components consult your owner's manual on how to disconnect your battery.
2.Consult your vehicle owner's manual, service manual, or car dealer for the correct jacking points on your vehicle and for additional care, safety and maintenance instructions. Under no circumstances should any work be completed underneath the vehicle if it is not adequately supported, as serious injuries and death can occur.
1.Set steering to straight ahead.
2.Raise the vehicle.
3.Remove rear wheel.
4.Remove the side cover of the rear dash panel to expose the top of the air strut(located in the rear window area).(pictures 1,2)
5.Loosen and remove the 3 mounting nuts from the top of the air strut. Disconnect the air line.(picture 3)
6.Remove rubber boot and disconnect electrical connector leading to the shock damper solenoid.(pictures 4,5).
7.Remove the brake caliper retaining clip.(picture 6)
8.Loosen the two(2)bolts on the backside of the brake caliper.(picture 7)
9.Disconnect the sensor connector and remove the sensor bracket.(picture 8,9)
10.Secure the brake caliper.(picture 10)
11.Disassemble the outer suspension arm.(picture 11)
12.Disassemble the stabilizer bar link.(pictures 12,13)
13.Remove the nut and bolt connecting the strut assembly to the suspension arm.(picture 14)
14.Loosen the lower control arm nut slightly(this will allow the lower control arm to swing down).(picture 15)
15.Remove strut assembly from vehicle.(pictures 16,17)
*Installation Guideline:
1.Installation is in reverse order of air strut removal.
*Frequently Asked Questions:
How to prevent the damage of air springs/How to extend the service life of air springs/struts etc.?
An air strut with separable air springs
If your vehicle offers a separable air suspension (Audi Allroad A6 C5, Mercedes-Benz W164, BMW X5, etc.), you should regularly (about once a week) lift the car to the maximum position, and remove dirt with a high-pressure cleaner (keep the cleaner at a distance to the air spring about 30 cm/12 inches, otherwise water pressure can damage the air spring). The highest position may vary depending on your model and regulation options. Therefore, please test this by trying the different modes available to you (Sport, comfort, dynamic, off-road) and choose the one that sets your vehicle to the highest position. The dirt will most likely be found under the fold of the pneumatic chambers. If you find a frozen layer of bitumen on the piston guide (the part of a strut on which the air spring is installed), it is recommended to clean it as well. Whenever possible, avoid riding on fresh asphalt, as fresh bitumen mixed with sand immediately results in a build-up of abrasives on the piston and in turn contributes to accelerated wear and tear of the air spring.
A complete air suspension shock
Many cars such as Mercedes W220 or W211 are set up with a complete air strut - shock absorber and air spring visually form a complete spare part. In many cases, you can easily recognize these by the metal cups with which the air spring is tightly mounted. To best avoid any damage, we highly recommend to regularly check the condition of the dust protection seals of the air strut.
What is the difference between an air spring and an air strut?
The air spring is a part of the air strut. Some vehicles (e.g. Mercedes ML) allow you to change the air spring separately. At our online shop you have the opportunity to buy either the whole air strut or only the air spring. For some type of vehicles it is not possible to change the air spring separately. In this case the whole air strut should be replaced.
Which side of my car is the Right and Left?
The right and left sides of an automobile are determined as if sitting in the car facing forward. Thus, the left side is on the left when sitting in the car facing forward, and the right side is on the right. For American cars, the driver’s side is on the left, and the passenger sits to the right of the driver. For cars in Japan, Britain, Ireland, the Bahamas and some other former British colonies -- where they drive on the left side of the road -- the passenger sits on the left side, and the driver (along with all the driving controls) is on the right.
What does 4MATIC mean?
4MATIC is the marketing name of a four-wheel drive system developed by Mercedes-Benz. It is designed to increase traction in slippery conditions.
What does AIRMATIC mean?
AIRMATIC is a Mercedes-Benz trademark for vehicles with air suspension systems. Compared with a conventional steel suspension, the AIRMATIC air suspension provides advantages in terms of handling safety and ride comfort. The AIRMATIC air suspension automatically adjusts the damping force on each wheel according to the current state of the road.
What does ABC mean?
ABC (Active Body Control) is a registered Mercedes-Benz trademark. It is a high-quality suspension system, which automatically adapts the suspension setting to the respective driving situation. There is also a crosswind stabilisation integrated in ABC systems.
How can I see if my vehicle is equipped with AIRMATIC or ABC?
You can check which suspension you have by opening the bonnet of your car and examining the top of the shock absorber.
If your vehicle is equipped with AIRMATIC, you will have obvious air lines leading from the top of the shocks:
If your vehicle is equipped with ABC, you will have small black electrical plugs leading into the top of both shocks:
*OEM Part Number:
220 320 50 13, 2203205013
220320501360 , 220320501380 , 220320501388
A2203205013 , A220320501360 ,A220320501380 , A220320501388
*Item Specifications:
- Key Words: Rear Pair Air Suspension Shock Struts For Mercedes-Benz S-Class W220 S320S350 S420 S430 S500 S600 S55 AMG S65 AMG 1999-2006Compatile With Airmatic(RWD), 4Matic(4WD) and AMG Model.
- Package Includes: Pair for RearLeft & RightAir Suspension ShockStruts
Notes: Please double confirm the compatibility as well as the OEM number before purchasing.
Instruction is not included. Professional installation is recommended.
*Compatibility Chart
1, You can distinguish specific model of an automobile by VIN(Vehicle Identification Number).
2, VIN(Vehicle Identification Number) consists of total 17 English letters and arabic digits.
3, VIN does not include the letters I (i), O (o), and Q (q) (to avoid confusion with numerals 1 and 0).
Mercedes-Benz S-Class W220
Compatile With Airmatic(RWD), 4Matic(4WD) and AMG Model.
S320 LWB Sedan 4-Door 3.2L 1999
S320 SWB Sedan 4-Door 3.2L 1999
S350 Base Sedan 4-Door 3.7L 2006
S420 Base Sedan 4-Door 4.2L 1999
S4304MaticSedan 4-Door 4.3L 2003-2006
S430 Base Sedan 4-Door 4.3L 2000-2006
S5004MaticSedan 4-Door 5.0L 2003-2006
S500 Base Sedan 4-Door 5.0L 2000-2006
S500 Guard Sedan 4-Door 5.0L 2000-2001
S600 Base Sedan 4-Door 5.5L 2003-2006
S600 Base Sedan 4-Door 5.8L 2001-2002
S600 Base Sedan 4-Door 6.0L 2000-2001
S55AMGBase Sedan 4-Door 5.4L 2003-2005
S55AMGBase Sedan 4-Door 5.5L 2001-2002 2004-2006
S55AMGKompressor Sedan 4-Door 5.5L 2003
S65AMGBase Sedan 4-Door 6.0L 2005-2006
*Air SuspensionStructure:
5 A220 320 23 38 Air Suspension Strut
5 A220 320 50 13 Air Suspension Strut
5 A220 320 78 13 Hydropneumatic Spring Leg
5 A220 320 79 13 Air Suspension Strut
8 A220 350 02 37 Boot
11 A220 320 91 13 Hydropneumatic Spring Leg
11 A220 320 92 13 Hydropneumatic Spring Leg
15 A220 540 46 08 Wiring Harness
17 A220 352 00 27 Supporting Joint
20 N 000000 003175 Nut
25 N 910105 014017 Hexagon Head Bolt
30 N 000000 003277 Nut
35 A000 327 03 69 Connector
40 A220 323 02 71 Ts Fastening Parts Kit
*Generation &Evolution:
Mercedes-Benz S-Class
W116 First generation (1972-1980)
W126 Second generation (1980-1991)
W140 Third generation (1991-1998)
W220 Fourth generation (1998-2005)
W221 Fifth generation (2006-2013)
W222 Sixth generation (2014-present)
Specific Versions
Mercedes-Benz S55 AMG
Higher Automotive Performance
&More Dramatic Styling Features
Mercedes-Benz S600
(12-Cylinder Engine Model of the W220)
Mercedes-Benz S65 AMG
(AMG Version of the S600)
*Platform Drive Layout:
Base Model-Rear Wheel Drive Layout
4MaticModel-FourWheel Drive Layout
*Installation Guideline:
Please refer to the manual in gallery above.
Replace self-locking nuts and bolts.
See special information on AIRmatic.
1.Use Star Diagnosis to drain struts (41) prior to working on them.
2.Remove rear wheels.
3.Remove cover (arrow) in parcel shelf.
4.Unscrew pressure line connection (41a).
CAUTION: Residual pressure in strut up to 3.5 bar. If residual pressure valve is damaged, replace the strut (41).
NOTE:Seal off pressure line with blind plugs during repair work.
If pressure line connections or pressure lines are damaged, Repair AIRmatic pressure line connection.
5.Unscrew nuts (41b).
CAUTION: Installation: Fit nuts (41b) and tighten after filling the suspension strut with the vehicle ready to drive.
NOTE: To facilitate tightening operations and ensure the correct torque on the nuts (41b), it may prove useful to remove the trim from the C-pillars.
6.Separate plug-in wiring connection (Y53x1/Y54x1).
7.Unscrew bolts (72d) for suspension strut cover (72c).
8.Unscrew nut (78c) and press linkage rod (78) from torsion bar (77).
9.Unscrew bolts (41c/41d) connecting strut (41) to track control arm (72).
CAUTION: Installation: Fit nut (41d) and tighten after pressurizing the suspension strut with the vehicle ready to drive.
10.Unscrew bolts (41e/41f) connecting track control arm (72) to wheel carrier.
CAUTION: Installation: Fit nut (41e) and tighten after pressurizing the suspension strut with the vehicle ready to drive.
11.Pull down track control arm (72) and remove strut assembly (41) by lowering it and pulling it out to the side.
CAUTION:
Do not damage brake hose.
If replacing or reinstalling the suspension struts (41), check condition of suspension struts and if necessary, Dispose suspension strut.
12.Install in the reverse order.
13.Use Star Diagnosis to recharge the strut (s).
NOTE: Fill to 5 bar.
CAUTION:
During recharging the wheels should never be in contact with the floor; refilling with the suspension compressed leads to destruction of the air spring bellows in the strut (41).
14.Check AIRmatic for leaks.
*Removal Guideline:
Caution: Damage to the vehicle and air suspension system can be incurred if work is carried out in a manner other than specified in the instructions or in a different sequence.
1.To avoid the possibility of short circuits while working with electric components consult your owner's manual on how to disconnect your battery.
2.Consult your vehicle owner's manual, service manual, or car dealer for the correct jacking points on your vehicle and for additional care, safety and maintenance instructions. Under no circumstances should any work be completed underneath the vehicle if it is not adequately supported, as serious injuries and death can occur.
1.Set steering to straight ahead.
2.Raise the vehicle.
3.Remove rear wheel.
4.Remove the side cover of the rear dash panel to expose the top of the air strut(located in the rear window area).(pictures 1,2)
5.Loosen and remove the 3 mounting nuts from the top of the air strut. Disconnect the air line.(picture 3)
6.Remove rubber boot and disconnect electrical connector leading to the shock damper solenoid.(pictures 4,5).
7.Remove the brake caliper retaining clip.(picture 6)
8.Loosen the two(2)bolts on the backside of the brake caliper.(picture 7)
9.Disconnect the sensor connector and remove the sensor bracket.(picture 8,9)
10.Secure the brake caliper.(picture 10)
11.Disassemble the outer suspension arm.(picture 11)
12.Disassemble the stabilizer bar link.(pictures 12,13)
13.Remove the nut and bolt connecting the strut assembly to the suspension arm.(picture 14)
14.Loosen the lower control arm nut slightly(this will allow the lower control arm to swing down).(picture 15)
15.Remove strut assembly from vehicle.(pictures 16,17)
*Installation Guideline:
1.Installation is in reverse order of air strut removal.
*Frequently Asked Questions:
How to prevent the damage of air springs/How to extend the service life of air springs/struts etc.?
An air strut with separable air springs
If your vehicle offers a separable air suspension (Audi Allroad A6 C5, Mercedes-Benz W164, BMW X5, etc.), you should regularly (about once a week) lift the car to the maximum position, and remove dirt with a high-pressure cleaner (keep the cleaner at a distance to the air spring about 30 cm/12 inches, otherwise water pressure can damage the air spring). The highest position may vary depending on your model and regulation options. Therefore, please test this by trying the different modes available to you (Sport, comfort, dynamic, off-road) and choose the one that sets your vehicle to the highest position. The dirt will most likely be found under the fold of the pneumatic chambers. If you find a frozen layer of bitumen on the piston guide (the part of a strut on which the air spring is installed), it is recommended to clean it as well. Whenever possible, avoid riding on fresh asphalt, as fresh bitumen mixed with sand immediately results in a build-up of abrasives on the piston and in turn contributes to accelerated wear and tear of the air spring.
A complete air suspension shock
Many cars such as Mercedes W220 or W211 are set up with a complete air strut - shock absorber and air spring visually form a complete spare part. In many cases, you can easily recognize these by the metal cups with which the air spring is tightly mounted. To best avoid any damage, we highly recommend to regularly check the condition of the dust protection seals of the air strut.
What is the difference between an air spring and an air strut?
The air spring is a part of the air strut. Some vehicles (e.g. Mercedes ML) allow you to change the air spring separately. At our online shop you have the opportunity to buy either the whole air strut or only the air spring. For some type of vehicles it is not possible to change the air spring separately. In this case the whole air strut should be replaced.
Which side of my car is the Right and Left?
The right and left sides of an automobile are determined as if sitting in the car facing forward. Thus, the left side is on the left when sitting in the car facing forward, and the right side is on the right. For American cars, the driver’s side is on the left, and the passenger sits to the right of the driver. For cars in Japan, Britain, Ireland, the Bahamas and some other former British colonies -- where they drive on the left side of the road -- the passenger sits on the left side, and the driver (along with all the driving controls) is on the right.
What does 4MATIC mean?
4MATIC is the marketing name of a four-wheel drive system developed by Mercedes-Benz. It is designed to increase traction in slippery conditions.
What does AIRMATIC mean?
AIRMATIC is a Mercedes-Benz trademark for vehicles with air suspension systems. Compared with a conventional steel suspension, the AIRMATIC air suspension provides advantages in terms of handling safety and ride comfort. The AIRMATIC air suspension automatically adjusts the damping force on each wheel according to the current state of the road.
What does ABC mean?
ABC (Active Body Control) is a registered Mercedes-Benz trademark. It is a high-quality suspension system, which automatically adapts the suspension setting to the respective driving situation. There is also a crosswind stabilisation integrated in ABC systems.
How can I see if my vehicle is equipped with AIRMATIC or ABC?
You can check which suspension you have by opening the bonnet of your car and examining the top of the shock absorber.
If your vehicle is equipped with AIRMATIC, you will have obvious air lines leading from the top of the shocks:
If your vehicle is equipped with ABC, you will have small black electrical plugs leading into the top of both shocks:
*OEM Part Number:
220 320 50 13, 2203205013
220320501360 , 220320501380 , 220320501388
A2203205013 , A220320501360 ,A220320501380 , A220320501388
*Item Specifications:
- Key Words: Rear Pair Air Suspension Shock Struts For Mercedes-Benz S-Class W220 S320S350 S420 S430 S500 S600 S55 AMG S65 AMG 1999-2006Compatile With Airmatic(RWD), 4Matic(4WD) and AMG Model.
- Package Includes: Pair for RearLeft & RightAir Suspension ShockStruts
Notes: Please double confirm the compatibility as well as the OEM number before purchasing.
Instruction is not included. Professional installation is recommended.
Shipping
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
1. Package handling takes about 2 business days at our warehouse, so please make sure entering correct payment and shipping information before checking out. Once your payment is completed, we are not going to accept any more changes to your order.
2.All domestic orders will be shipped via USPS, UPS or Fedex from our US warehouse and usually arrives to your door in about 2-7 business days.
3.Local pick up is not available.
4.Orders to the rest of world may be shipped out from our warehouse in HongKong.
5.International Buyers C Please Note:
a. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyers responsibility.
b. Please check with your country customs office to determine what these additional costs will be prior to bidding/buying.]
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Returns1.All of our brand new items come with a 60-Days money-back guarantee.
2.We define the item as defective only if it doesn't function as described, It is the buyer's responsibility to understand the item description before bidding.
3.We will replace the defective items, provided that they are in stock within the warranty period posted with the listing and the buyer return the original item and pay for the S&H cost for the replacement.
4.We will refund the purchase price if the replacement is not available or buyer prefers a refund and send the original item back at his/her own cost.
5.Shipping& handling cost are not refundable.
6.Man-made damage by abuse or wrong operation is not covered by this warranty.
7.No product liability insurance is assumed.
8.Refunds will be credited within 5 to 7 business days of receiving the return. When we've received and processed the return, we will refund the applicable amount minus any Recovery Fees (See Details Below) for the amount you paid for the item(s), plus any applicable sales tax. ]
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A: Please log on your account, click "my eBay"-->"my summary", or open your email box and find the shipping notification email.
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*Compatibility Chart
1, You can distinguish specific model of an automobile by VIN(Vehicle Identification Number).
2, VIN(Vehicle Identification Number) consists of total 17 English letters and arabic digits.
3, VIN does not include the letters I (i), O (o), and Q (q) (to avoid confusion with numerals 1 and 0).
Mercedes-Benz S-Class W220
Compatile With Airmatic(RWD), 4Matic(4WD) and AMG Model.
S320 LWB Sedan 4-Door 3.2L 1999
S320 SWB Sedan 4-Door 3.2L 1999
S350 Base Sedan 4-Door 3.7L 2006
S420 Base Sedan 4-Door 4.2L 1999
S4304MaticSedan 4-Door 4.3L 2003-2006
S430 Base Sedan 4-Door 4.3L 2000-2006
S5004MaticSedan 4-Door 5.0L 2003-2006
S500 Base Sedan 4-Door 5.0L 2000-2006
S500 Guard Sedan 4-Door 5.0L 2000-2001
S600 Base Sedan 4-Door 5.5L 2003-2006
S600 Base Sedan 4-Door 5.8L 2001-2002
S600 Base Sedan 4-Door 6.0L 2000-2001
S55AMGBase Sedan 4-Door 5.4L 2003-2005
S55AMGBase Sedan 4-Door 5.5L 2001-2002 2004-2006
S55AMGKompressor Sedan 4-Door 5.5L 2003
S65AMGBase Sedan 4-Door 6.0L 2005-2006
*Air SuspensionStructure:
5 A220 320 23 38 Air Suspension Strut
5 A220 320 50 13 Air Suspension Strut
5 A220 320 78 13 Hydropneumatic Spring Leg
5 A220 320 79 13 Air Suspension Strut
8 A220 350 02 37 Boot
11 A220 320 91 13 Hydropneumatic Spring Leg
11 A220 320 92 13 Hydropneumatic Spring Leg
15 A220 540 46 08 Wiring Harness
17 A220 352 00 27 Supporting Joint
20 N 000000 003175 Nut
25 N 910105 014017 Hexagon Head Bolt
30 N 000000 003277 Nut
35 A000 327 03 69 Connector
40 A220 323 02 71 Ts Fastening Parts Kit
*Generation &Evolution:
Mercedes-Benz S-Class
W116 First generation (1972-1980)
W126 Second generation (1980-1991)
W140 Third generation (1991-1998)
W220 Fourth generation (1998-2005)
W221 Fifth generation (2006-2013)
W222 Sixth generation (2014-present)
Specific Versions
Mercedes-Benz S55 AMG
Higher Automotive Performance
&More Dramatic Styling Features
Mercedes-Benz S600
(12-Cylinder Engine Model of the W220)
Mercedes-Benz S65 AMG
(AMG Version of the S600)
*Platform Drive Layout:
Base Model-Rear Wheel Drive Layout
4MaticModel-FourWheel Drive Layout
*Installation Guideline:
Please refer to the manual in gallery above.
Replace self-locking nuts and bolts.
See special information on AIRmatic.
1.Use Star Diagnosis to drain struts (41) prior to working on them.
2.Remove rear wheels.
3.Remove cover (arrow) in parcel shelf.
4.Unscrew pressure line connection (41a).
CAUTION: Residual pressure in strut up to 3.5 bar. If residual pressure valve is damaged, replace the strut (41).
NOTE:Seal off pressure line with blind plugs during repair work.
If pressure line connections or pressure lines are damaged, Repair AIRmatic pressure line connection.
5.Unscrew nuts (41b).
CAUTION: Installation: Fit nuts (41b) and tighten after filling the suspension strut with the vehicle ready to drive.
NOTE: To facilitate tightening operations and ensure the correct torque on the nuts (41b), it may prove useful to remove the trim from the C-pillars.
6.Separate plug-in wiring connection (Y53x1/Y54x1).
7.Unscrew bolts (72d) for suspension strut cover (72c).
8.Unscrew nut (78c) and press linkage rod (78) from torsion bar (77).
9.Unscrew bolts (41c/41d) connecting strut (41) to track control arm (72).
CAUTION: Installation: Fit nut (41d) and tighten after pressurizing the suspension strut with the vehicle ready to drive.
10.Unscrew bolts (41e/41f) connecting track control arm (72) to wheel carrier.
CAUTION: Installation: Fit nut (41e) and tighten after pressurizing the suspension strut with the vehicle ready to drive.
11.Pull down track control arm (72) and remove strut assembly (41) by lowering it and pulling it out to the side.
CAUTION:
Do not damage brake hose.
If replacing or reinstalling the suspension struts (41), check condition of suspension struts and if necessary, Dispose suspension strut.
12.Install in the reverse order.
13.Use Star Diagnosis to recharge the strut (s).
NOTE: Fill to 5 bar.
CAUTION:
During recharging the wheels should never be in contact with the floor; refilling with the suspension compressed leads to destruction of the air spring bellows in the strut (41).
14.Check AIRmatic for leaks.
*Removal Guideline:
Caution: Damage to the vehicle and air suspension system can be incurred if work is carried out in a manner other than specified in the instructions or in a different sequence.
1.To avoid the possibility of short circuits while working with electric components consult your owner's manual on how to disconnect your battery.
2.Consult your vehicle owner's manual, service manual, or car dealer for the correct jacking points on your vehicle and for additional care, safety and maintenance instructions. Under no circumstances should any work be completed underneath the vehicle if it is not adequately supported, as serious injuries and death can occur.
1.Set steering to straight ahead.
2.Raise the vehicle.
3.Remove rear wheel.
4.Remove the side cover of the rear dash panel to expose the top of the air strut(located in the rear window area).(pictures 1,2)
5.Loosen and remove the 3 mounting nuts from the top of the air strut. Disconnect the air line.(picture 3)
6.Remove rubber boot and disconnect electrical connector leading to the shock damper solenoid.(pictures 4,5).
7.Remove the brake caliper retaining clip.(picture 6)
8.Loosen the two(2)bolts on the backside of the brake caliper.(picture 7)
9.Disconnect the sensor connector and remove the sensor bracket.(picture 8,9)
10.Secure the brake caliper.(picture 10)
11.Disassemble the outer suspension arm.(picture 11)
12.Disassemble the stabilizer bar link.(pictures 12,13)
13.Remove the nut and bolt connecting the strut assembly to the suspension arm.(picture 14)
14.Loosen the lower control arm nut slightly(this will allow the lower control arm to swing down).(picture 15)
15.Remove strut assembly from vehicle.(pictures 16,17)
*Installation Guideline:
1.Installation is in reverse order of air strut removal.
*Frequently Asked Questions:
How to prevent the damage of air springs/How to extend the service life of air springs/struts etc.?
An air strut with separable air springs
If your vehicle offers a separable air suspension (Audi Allroad A6 C5, Mercedes-Benz W164, BMW X5, etc.), you should regularly (about once a week) lift the car to the maximum position, and remove dirt with a high-pressure cleaner (keep the cleaner at a distance to the air spring about 30 cm/12 inches, otherwise water pressure can damage the air spring). The highest position may vary depending on your model and regulation options. Therefore, please test this by trying the different modes available to you (Sport, comfort, dynamic, off-road) and choose the one that sets your vehicle to the highest position. The dirt will most likely be found under the fold of the pneumatic chambers. If you find a frozen layer of bitumen on the piston guide (the part of a strut on which the air spring is installed), it is recommended to clean it as well. Whenever possible, avoid riding on fresh asphalt, as fresh bitumen mixed with sand immediately results in a build-up of abrasives on the piston and in turn contributes to accelerated wear and tear of the air spring.
A complete air suspension shock
Many cars such as Mercedes W220 or W211 are set up with a complete air strut - shock absorber and air spring visually form a complete spare part. In many cases, you can easily recognize these by the metal cups with which the air spring is tightly mounted. To best avoid any damage, we highly recommend to regularly check the condition of the dust protection seals of the air strut.
What is the difference between an air spring and an air strut?
The air spring is a part of the air strut. Some vehicles (e.g. Mercedes ML) allow you to change the air spring separately. At our online shop you have the opportunity to buy either the whole air strut or only the air spring. For some type of vehicles it is not possible to change the air spring separately. In this case the whole air strut should be replaced.
Which side of my car is the Right and Left?
The right and left sides of an automobile are determined as if sitting in the car facing forward. Thus, the left side is on the left when sitting in the car facing forward, and the right side is on the right. For American cars, the driver’s side is on the left, and the passenger sits to the right of the driver. For cars in Japan, Britain, Ireland, the Bahamas and some other former British colonies -- where they drive on the left side of the road -- the passenger sits on the left side, and the driver (along with all the driving controls) is on the right.
What does 4MATIC mean?
4MATIC is the marketing name of a four-wheel drive system developed by Mercedes-Benz. It is designed to increase traction in slippery conditions.
What does AIRMATIC mean?
AIRMATIC is a Mercedes-Benz trademark for vehicles with air suspension systems. Compared with a conventional steel suspension, the AIRMATIC air suspension provides advantages in terms of handling safety and ride comfort. The AIRMATIC air suspension automatically adjusts the damping force on each wheel according to the current state of the road.
What does ABC mean?
ABC (Active Body Control) is a registered Mercedes-Benz trademark. It is a high-quality suspension system, which automatically adapts the suspension setting to the respective driving situation. There is also a crosswind stabilisation integrated in ABC systems.
How can I see if my vehicle is equipped with AIRMATIC or ABC?
You can check which suspension you have by opening the bonnet of your car and examining the top of the shock absorber.
If your vehicle is equipped with AIRMATIC, you will have obvious air lines leading from the top of the shocks:
If your vehicle is equipped with ABC, you will have small black electrical plugs leading into the top of both shocks:
*OEM Part Number:
220 320 50 13, 2203205013
220320501360 , 220320501380 , 220320501388
A2203205013 , A220320501360 ,A220320501380 , A220320501388
*Item Specifications:
- Key Words: Rear Pair Air Suspension Shock Struts For Mercedes-Benz S-Class W220 S320S350 S420 S430 S500 S600 S55 AMG S65 AMG 1999-2006Compatile With Airmatic(RWD), 4Matic(4WD) and AMG Model.
- Package Includes: Pair for RearLeft & RightAir Suspension ShockStruts
Notes: Please double confirm the compatibility as well as the OEM number before purchasing.
Instruction is not included. Professional installation is recommended.
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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
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