Installing a suspension lowering kit on a Mercedes-Benz C-Class 320 W203 involves several steps. click here for more details on the download manual…..
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Below is a reverse order guide that outlines the installation process.
### Step 10: Reassemble the Vehicle
– **Reattach the Wheels**: Place the wheels back onto the hubs and hand-tighten the lug nuts.
– **Lower the Vehicle**: Carefully lower the vehicle back to the ground using a jack.
– **Torque the Lug Nuts**: Once the vehicle is on the ground, use a torque wrench to tighten the lug nuts to the manufacturer’s specifications.
### Step 9: Recheck Suspension Components
– **Inspect Alignment**: Ensure that all suspension components are securely fastened.
– **Check for Clearance**: Make sure there’s sufficient clearance between the suspension parts and the wheels/tires.
### Step 8: Adjust Suspension Height (if applicable)
– **Fine-tune the Height**: If the lowering kit allows for height adjustments, use the necessary tools to set the desired ride height as per your preference.
### Step 7: Install New Coil Springs or Coilover System
– **Insert the New Springs**: Place the new coil springs or coilover units in their respective mounts.
– **Reattach Components**: Secure the top mounts and ensure that all bolts are tightened to the specified torque levels.
### Step 6: Install Shock Absorbers
– **Remove Old Shocks**: If replacing shocks, remove the old shock absorbers from their mounts.
– **Install New Shocks**: Position the new shocks into place and secure them with bolts.
### Step 5: Remove Old Suspension Components
– **Disconnect Suspension Links**: Detach any sway bar links, control arms, or other suspension components that might obstruct spring removal.
– **Remove the Old Springs**: Using a spring compressor, safely remove the old springs from the strut assemblies.
### Step 4: Raise the Vehicle
– **Secure the Vehicle**: Use jack stands to support the vehicle after raising it with a floor jack.
– **Remove the Wheels**: Take off the wheels to access the suspension components.
### Step 3: Prepare for Installation
– **Gather Tools and Materials**: Ensure you have all necessary tools, including wrenches, sockets, a jack, jack stands, and the suspension lowering kit.
– **Read Instructions**: Review the installation instructions provided with the lowering kit for specific details related to your model.
### Step 2: Safety Precautions
– **Disconnect Battery**: For safety, disconnect the battery to avoid any electrical issues.
– **Wear Safety Gear**: Use gloves
and safety glasses to protect yourself during the installation.
### Step 1: Assess the Vehicle
– **Check Vehicle Condition**: Before starting, ensure the vehicle is in good working condition and that the suspension components are not worn out.
By following these steps in reverse order, you should be able to successfully install a suspension lowering kit on your Mercedes-Benz C-Class 320 W203. Always refer to the specific instructions included with your lowering kit, as installation procedures may vary by manufacturer.
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