<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="ManualsTemplate.xslt"?>
<!--edited 03 25 2026-->

<manual>
  <header>
  	
  	<!-- Auto manual = 0
  		Motorcycle manual = 1 -->
  	<manualtype>0</manualtype>   
    
    <partNumber>C-3272</partNumber>
    <partName>Arnott Coil Spring Conversion Kit</partName>
    <partFit>Mercedes-Benz S550 (W221)</partFit>
    <partPhoto><image file="../C-3272/C-3272_Product.jpg" alt="C-3272 Arnott Coil Spring Conversion Kit" title="C-3272 Arnott Coil Spring Conversion Kit" /></partPhoto>
    
  </header>
  
<section>
	<steps>
		<stepNum>
			1
		</stepNum>
		<text>
			Set steering to straight ahead.
		</text>
	</steps>
</section>
	
<section>
	<steps>
		<stepNum>
			2
		</stepNum>
		<text>
			Raise the vehicle.
		</text>
	</steps>
</section>
	
<section>
	<steps>
		<stepNum>
			3
		</stepNum>
		<text>
			Remove the applicable front wheel. (Figure 1)
		</text>
	</steps>
</section>

  <section>    
    <image_single file="../C-3272/C-3272_001.jpg" caption="1" alt="1" title="1" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			4
		</stepNum>
		<text>
			Locate the air strut’s wiring block inside the wheel well. Remove the metal retaining clip and the two (2) electrical plugs. Separate the two connectors and reinsert the wheel speed sensor plug. (Figures 2, 3)
		</text>
	</steps>
</section>
	
  <section>    
    <image_double file1="../C-3272/C-3272_002.jpg" alt1="2" title1="2" caption1="2" file2="../C-3272/C-3272_003.jpg" alt2="3" title2="3" caption2="3" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			5
		</stepNum>
		<text>
			Cut the cable tie and remove the wiring bracket from the air strut. (Figures 4, 5)
		</text>
	</steps>
</section>
	
  <section>    
    <image_double file1="../C-3272/C-3272_004.jpg" alt1="4" title1="4" caption1="4" file2="../C-3272/C-3272_005.jpg" alt2="5" title2="5" caption2="5" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			6
		</stepNum>
		<text>
			Loosen and remove the lower mounting nut. (Figure 6)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_006.jpg" caption="6" alt="6" title="6" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			7
		</stepNum>
		<text>
			Separate the lower ball joint from the lower control arm. (Figure 7)
		</text>
	</steps>
</section>

  <section>    
    <image_single file="../C-3272/C-3272_007.jpg" caption="7" alt="7" title="7" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			8
		</stepNum>
		<text>
			Loosen and remove the air line from the top of the air strut. (Figure 8)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_008.jpg" caption="8" alt="8" title="8" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			9
		</stepNum>
		<text>
			Loosen and remove the three (3) top mounting nuts. (Figure 9)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_009.jpg" caption="9" alt="9" title="9" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			10
		</stepNum>
		<text>
			Remove the air strut from the vehicle. (Figure 10)
		</text>
	</steps>
</section>
	
 <section>    
    <image_single file="../C-3272/C-3272_010.jpg" caption="10" alt="10" title="10" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			11
		</stepNum>
		<text>
			Remove the offset plate from the top of the air strut. (Figure 11)
		</text>
	</steps>
</section>
	
 <section>    
    <image_single file="../C-3272/C-3272_011.jpg" caption="11" alt="11" title="11" />
  </section>
	
  <section>
  	<note>
  		The offset plate will be reused on your Arnott strut in the same orientation from which it was removed.
	</note>
  </section>
	
 <section>
	<steps>
		<stepNum>
			12
		</stepNum>
		<text>
			Front air strut removal complete.
		</text>
	</steps>
</section>
	
<section>
    <headline_large_left>FRONT COIL STRUT INSTALLATION</headline_large_left>
 </section>

<section>
    <warning>
    	Tighten all nuts and bolts to the manufacturer’s specifications during the installation process.
    </warning>
  </section>
  
 <section>
	<steps>
		<stepNum>
			1
		</stepNum>
		<text>
			Remove the nut from the ball joint. (Figure 12)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_012.jpg" caption="12" alt="12" title="12" />
  </section>
	
<section>
	<steps>
		<stepNum>
			2
		</stepNum>
		<text>
			Place the offset plate on the top mount; align the offset stud with the thick side of the plate. (Figure 13)
		</text>
	</steps>
</section>

  <section>    
    <image_single file="../C-3272/C-3272_013.jpg" caption="13" alt="13" title="13" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			3
		</stepNum>
		<text>
			Install the coil strut into the vehicle and align the top studs with the mounting holes. (Figures 14, 15)
		</text>
	</steps>
</section>
	
  <section>    
    <image_double file1="../C-3272/C-3272_014.jpg" alt1="14" title1="14" caption1="14" file2="../C-3272/C-3272_015.jpg" alt2="15" title2="15" caption2="15" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			4
		</stepNum>
		<text>
			Install the ball joint into the lower control arm and tighten the lower mounting nut onto the ball joint. (Figures 16, 17)
		</text>
	</steps>
</section>
	
  <section>    
    <image_double file1="../C-3272/C-3272_016.jpg" alt1="16" title1="16" caption1="16" file2="../C-3272/C-3272_017.jpg" alt2="17" title2="17" caption2="17" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			5
		</stepNum>
		<text>
			Replace the wiring bracket and zip tie into place. (Figures 18, 19)
		</text>
	</steps>
</section>
	
  <section>    
    <image_double file1="../C-3272/C-3272_018.jpg" alt1="18" title1="18" caption1="18" file2="../C-3272/C-3272_019.jpg" alt2="19" title2="19" caption2="19" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			6
		</stepNum>
		<text>
			Place the top mounting nuts onto studs and tighten. (Figures 20, 21)
		</text>
	</steps>
</section>
	
  <section>    
    <image_double file1="../C-3272/C-3272_020.jpg" alt1="20" title1="20" caption1="20" file2="../C-3272/C-3272_021.jpg" alt2="21" title2="21" caption2="21" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			7
		</stepNum>
		<text>
			Front coil strut installation complete.
		</text>
	</steps>
</section>
	
<section>
    <headline_large_left>REAR AIR STRUT REMOVAL</headline_large_left>
 </section>
	
<section>
	<steps>
		<stepNum>
			1
		</stepNum>
		<text>
			Set the steering to straight ahead.
		</text>
	</steps>
</section>
	
<section>
	<steps>
		<stepNum>
			2
		</stepNum>
		<text>
			Lift the vehicle and remove the rear wheels. (Figure 22)
		</text>
	</steps>
</section>

  <section>    
    <image_single file="../C-3272/C-3272_022.jpg" caption="22" alt="22" title="22" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			3
		</stepNum>
		<text>
			Remove the brake caliper retaining clip. (Figure 23)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_023.jpg" caption="23" alt="23" title="23" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			4
		</stepNum>
		<text>
			Disconnect and remove the brake pad wear sensor. Remove the two (2) bolts holding the brake caliper. Remove the brake caliper and suspend to prevent damage to brake lines. (Figures 24, 25)
		</text>
	</steps>
</section>
	
  <section>    
    <image_double file1="../C-3272/C-3272_024.jpg" alt1="24" title1="24" caption1="24" file2="../C-3272/C-3272_025.jpg" alt2="25" title2="25" caption2="25" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			5
		</stepNum>
		<text>
			Remove the fasteners and inner wheel liner to expose the rear air strut’s wiring block. (Figures 26, 27)
		</text>
	</steps>
</section>
	
  <section>    
    <image_double file1="../C-3272/C-3272_026.jpg" alt1="26" title1="26" caption1="26" file2="../C-3272/C-3272_027.jpg" alt2="27" title2="27" caption2="27" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			6
		</stepNum>
		<text>
			Remove the metal clip and plug for the rear air strut’s dampening coil. (Figures 28, 29)
		</text>
	</steps>
</section>
	
  <section>    
    <image_double file1="../C-3272/C-3272_028.jpg" alt1="28" title1="28" caption1="28" file2="../C-3272/C-3272_029.jpg" alt2="29" title2="29" caption2="29" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			7
		</stepNum>
		<text>
			Remove the lower sway bar end link nut and separate. (Figure 30)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_030.jpg" caption="30" alt="30" title="30" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			8
		</stepNum>
		<text>
			Remove the lower air strut mounting nut. (Figure 31)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_031.jpg" caption="31" alt="31" title="31" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			9
		</stepNum>
		<text>
			Remove the lower control arm nut. (Figure 32)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_032.jpg" caption="32" alt="32" title="32" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			10
		</stepNum>
		<text>
			Remove the rear dash cover from inside the vehicle. (Figure 33)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_033.jpg" caption="33" alt="33" title="33" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			11
		</stepNum>
		<text>
			Pull back the foam insulation to expose the air strut top mount. (Figure 34)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_034.jpg" caption="34" alt="34" title="34" />
  </section>
	
<section>
	<steps>
		<stepNum>
			12
		</stepNum>
		<text>
			Remove the air line. (Figures 35, 36)
		</text>
	</steps>
</section>
	
  <section>    
    <image_double file1="../C-3272/C-3272_035.jpg" alt1="35" title1="35" caption1="35" file2="../C-3272/C-3272_036.jpg" alt2="36" title2="36" caption2="36" />
  </section>
	
<section>
	<steps>
		<stepNum>
			13
		</stepNum>
		<text>
			Remove the three (3) top mounting nuts. (Figure 37)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_037.jpg" caption="37" alt="37" title="37" />
  </section>
	
<section>
	<steps>
		<stepNum>
			14
		</stepNum>
		<text>
			Remove the lower control arm bolt and the lower air strut mounting bolt. (Figure 38)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_038.jpg" caption="38" alt="38" title="38" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			15
		</stepNum>
		<text>
			Pull down on the lower control arm and remove the air strut from the vehicle. (Figure 39)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_039.jpg" caption="39" alt="39" title="39" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			16
		</stepNum>
		<text>
			Rear air strut removal complete.
		</text>
	</steps>
</section>
	
<section>
    <headline_large_left>REAR COIL STRUT INSTALLATION</headline_large_left>
 </section>
	
<section>
    <warning>
    	Tighten all nuts and bolts to the manufacturer’s specifications during the installation process.
    </warning>
  </section>
	
<section>
	<steps>
		<stepNum>
			1
		</stepNum>
		<text>
			Position the coil strut onto the vehicle. (Figure 40)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_040.jpg" caption="40" alt="40" title="40" />
  </section>
	
<section>
	<steps>
		<stepNum>
			2
		</stepNum>
		<text>
			Reinstall the lower strut mounting nut and bolt. (Figures 41, 42)
		</text>
	</steps>
</section>

  <section>    
    <image_double file1="../C-3272/C-3272_041.jpg" alt1="41" title1="41" caption1="41" file2="../C-3272/C-3272_042.jpg" alt2="42" title2="42" caption2="42" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			3
		</stepNum>
		<text>
			Raise the lower control arm and reinstall the mounting nut and bolt. (Figures 43, 44)
		</text>
	</steps>
</section>
	
  <section>    
    <image_double file1="../C-3272/C-3272_043.jpg" alt1="43" title1="43" caption1="43" file2="../C-3272/C-3272_044.jpg" alt2="44" title2="44" caption2="44" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			4
		</stepNum>
		<text>
			Reinstall the sway bar end-links. (Figures 45, 46)
		</text>
	</steps>
</section>
	
  <section>    
    <image_double file1="../C-3272/C-3272_045.jpg" alt1="45" title1="545" caption1="45" file2="../C-3272/C-3272_046.jpg" alt2="46" title2="46" caption2="46" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			5
		</stepNum>
		<text>
			Reattach the brake caliper and bolt into place. (Figures 47, 48, 49)
		</text>
	</steps>
</section>
	
  <section>    
    <image_triple file1="../C-3272/C-3272_047.jpg" alt1="47" title1="47" caption1="47" file2="../C-3272/C-3272_048.jpg" alt2="48" title2="48" caption2="48" file3="../C-3272/C-3272_049.jpg" alt3="49" title3="49" caption3="49"/>
  </section>
  
 <section>
	<steps>
		<stepNum>
			6
		</stepNum>
		<text>
			On the right rear, reattach brake sensor and plug in. (Figures 50, 51, 52, 53)
		</text>
	</steps>
</section>
	
  <section>    
    <image_quad file1="../C-3272/C-3272_050.jpg" alt1="50" title1="50" caption1="50" file2="../C-3272/C-3272_051.jpg" alt2="51" title2="51" caption2="51" file3="../C-3272/C-3272_052.jpg" alt3="52" title3="52" caption3="52" file4="../C-3272/C-3272_053.jpg" alt4="53" title4="53" caption4="53"/>
  </section>
	
 <section>
	<steps>
		<stepNum>
			7
		</stepNum>
		<text>
			Replace the fender liner. (Figure 54)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_054.jpg" caption="54" alt="54" title="54" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			8
		</stepNum>
		<text>
			Replace the brake retention clip. (Figure 55)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_055.jpg" caption="55" alt="55" title="55" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			9
		</stepNum>
		<text>
			Tighten the top mounting nuts. (Figure 56)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_056.jpg" caption="56" alt="56" title="56" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			10
		</stepNum>
		<text>
			Repack foam. Air line remains disconnected. (Figure 57)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_057.jpg" caption="57" alt="57" title="57" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			11
		</stepNum>
		<text>
			Replace the rear dash cover. (Figure 58)
		</text>
	</steps>
</section>
	
  <section>    
    <image_single file="../C-3272/C-3272_058.jpg" caption="58" alt="58" title="58" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			12
		</stepNum>
		<text>
			Rear coil strut installation complete.
		</text>
	</steps>
</section>
	
<section>
    <headline_large_left>ELECTRONIC BYPASS MODLULE (EBM) INSTALLATION</headline_large_left>
 </section>
	
<section>
	<steps>
		<stepNum>
			1
		</stepNum>
		<text>
			Remove the passenger-side floor mat to access the kick plate. (Figures 59, 60)
		</text>
	</steps>
</section>
	
  <section>    
    <image_double file1="../C-3272/C-3272_059.jpg" alt1="59" title1="59" caption1="59" file2="../C-3272/C-3272_060.jpg" alt2="60" title2="60" caption2="60" />
  </section>
	
<section>
	<steps>
		<stepNum>
			2
		</stepNum>
		<text>
			Loosen and remove the (3) fasteners, then lay the kick plate down on the floor board to expose the vehicle air suspension control module. (Figures 61, 62)
		</text>
	</steps>
</section>

  <section>    
    <image_double file1="../C-3272/C-3272_061.jpg" alt1="61" title1="61" caption1="61" file2="../C-3272/C-3272_062.jpg" alt2="62" title2="62" caption2="62" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			3
		</stepNum>
		<text>
			Disconnect the three (3) plugs from the suspension control module. (Figure 63)
		</text>
	</steps>
</section>

	
  <section>    
    <image_single file="../C-3272/C-3272_063.jpg" caption="63" alt="63" title="63" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			4
		</stepNum>
		<text>
			According to the table below, splice the EBM harness wires to the applicable vehicle control module harness wires using the four (4) supplied heat-shrink butt connectors. (Figures 64, 65)
		</text>
	</steps>
</section>
	
<section>
  	<table>
  		<row>
  			<column rowspan="5">
  				ELECTRONIC BYPASS MODULE
  			</column>
  			<column rowspan="1">
  				From
  			</column>
  			<column rowspan="1">
  				To
  			</column>
  			<column rowspan="5">
  				VEHICLE’S WIRING HARNESS
  			</column> 
  		</row>
  		<row>
  			<column rowspan="1">
  				Yellow
  			</column>
  			<column rowspan="1">
  				Two Pin Connector (Pin 24)
  			</column>	
  		</row>
  		<row>
  			<column rowspan="1">
  				Blue
  			</column>
  			<column rowspan="1">
  				Two Pin Connector (Pin 25)
  			</column>
  		</row>
		<row>
  			<column rowspan="1">
  				Red
  			</column>
  			<column rowspan="1">
  				Red/White (Pin 47)
  			</column>
  		</row>
		<row>
  			<column rowspan="1">
  				Black
  			</column>
  			<column rowspan="1">
  				Brown (Pin 21)
  			</column>
  		</row>
  	</table>
  </section>
	
 <section>
	<text-center>
		FIGURE 64
	</text-center>
</section>
	
	<section>
		<butt_connector caption="65"/>
	</section>
	
  <section>
  	<note>
  		Do not plug the suspension control module back in. IIt remains unplugged. There should be no suspension error lights present in the instrument cluster.
	</note>
  </section>
	
 <section>
	<steps>
		<stepNum>
			5
		</stepNum>
		<text>
			Secure the EBM in a suitable location, away from friction or pinch points.
		</text>
	</steps>
</section>
	
 <section>
	<steps>
		<stepNum>
			6
		</stepNum>
		<text>
			Inside the engine compartment, open the fuse box. (Figures 66, 67)
		</text>
	</steps>
</section>
	
  <section>    
    <image_double file1="../C-3272/C-3272_066.jpg" alt1="66" title1="66" caption1="66" file2="../C-3272/C-3272_067.jpg" alt2="67" title2="67" caption2="67" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			7
		</stepNum>
		<text>
			Replace the below indicated fuse (46) with the included fuse. (Figures 68, 69)
		</text>
	</steps>
</section>
	
  <section>    
    <image_double file1="../C-3272/C-3272_068.jpg" alt1="68" title1="68" caption1="68" file2="../C-3272/C-3272_069.jpg" alt2="69" title2="69" caption2="69" />
  </section>
	
 <section>
	<steps>
		<stepNum>
			8
		</stepNum>
		<text>
			EBM installation complete.
		</text>
	</steps>
</section>

<section>
    <alignment_reminder/>
</section>
  
  <footer>
  	<!-- Auto manual = 0
  		Motorcycle manual = 1 -->
  	<manualtype>0</manualtype>
  	<feedbackURL>https://bit.ly/3QnKZLO</feedbackURL>
  	<partNumber>C-3272</partNumber>
  	<revision>REV 01</revision>
  	<date>June 8, 2026</date>
  </footer>
    
</manual>
