Installation Guide

Home / Suspension / Suspension Kits / Sprinter 3500 1-3/8” Lift Block Leveling Kit by Agile Offroad Installation Guide

1-1/2" Lift Block Leveling Kit For Sprinter 3500 by Agile Offroad

Installation Manual PDF Download Additional Information

Installation Manual

Designed specifically for Mercedes-Benz Sprinter 3500 vans, the Agile Offroad 1-3/8” Lift Block Leveling Kit is the perfect solution for leveling the rear of your vehicle—whether to balance the front lift or accommodate heavier loads.

The kit includes powder-coated steel brackets and integrates OEM-style lift blocks, ensuring strength, corrosion resistance, and factory-style compatibility. It’s a popular upgrade for Sprinter 3500 owners who’ve added front suspension upgrades or want a more level stance for improved ride quality, especially when towing or hauling gear.

SKU: AO-S7S-2

PARTS INCLUDED

  • 2 x 1 3/8” Lift Block
  • 1 x Bump Stop Spacer Bracket Right Side
  • 1 x Bump Stop Spacer Bracket Left Side

TOOLS NEEDED

  • 18mm Socket
  • 18mm Wrench
  • 19mm Socket
  • 21mm Socket

INSTALLATION TIME: 1 Hour

NOTE: A U-bolt kit may be required depending on your leaf springs and block height. Be sure to measure your setup beforehand and account for any extra length your current U-bolts can accommodate.

Refer to the Owner’s Manual for proper jacking points. Use a lift to support the vehicle using factory Mercedes recommended safety procedures.

Installation Steps

1

Safely lift the vehicle using the Mercedes recommended lift points. Use an 18mm wrench and socket to remove the two sway bar link nuts and bolts.

2

Use a hydraulic jack to support the axle.

3

Use a 21mm wrench and socket to remove the two lower shock nuts and bolts.

4

With the axle supported, loosen (DO NOT REMOVE) the four u-bolts at both left and right leaf springs.

5

Use a 19mm socket to completely remove the u-bolts on one side only.

6

Lower the hydraulic jack to separate the axle from the leaf spring.

7

Install the supplied lift block making sure the block pin inserts into the axle spring pad.

8

Lift the hydraulic jack to lift the axle making sure the lower leaf spring pin inserts into the lift block hole. Install the u-bolts.

9

Install the u-bolt nuts. Do not completely tighten. Note: There should be a minimum of a ¼” of threads exposed past the nut.

10

Use a 18mm socket to remove the two sway bar D-Shaped bracket bolts.

11

Slide the Bump Stop Spacer tab between the axle and the sway bar bracket. Re-install the factory hardware. Torque to 45 ft/lbs. Repeat steps 5-11 on the opposite side.

12

Re-install the lower shock nuts and bolts. Torque to 81 ft/lbs. Re-install the sway bar link nuts and bolts. Torque to 40 ft/lbs. Carefully lower and remove the hydraulic jack and then lower the vehicle to the ground. Let the suspension settle and then fully tighten the four u-bolts. Torque to 140 ft/lbs. Retorque u-bolts after 500 miles.