Product Details
- Brand: Draw-Tite
- Model: 75549 118649 21536
- Includes: Class 4 Trailer Tow Hitch, T-One T-Connector Custom Harness, Trailer Tow Hitch Ball Mount Starter Kit
Compatibility Chart
Description
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Tow Package For 14-22 Mercedes-Benz Freightliner Sprinter 2500 3500 Trailer Hitch w/ Wiring 2" Drop Mount 2" Ball 2" Receiver Install Notes
Installation Instructions for Dodge Sprinter, Freightliner Sprinter, and Mercedes Sprinter
(Van and Cab & Chassis Models)
Part Numbers:
- 75549
- 87441
- 44576
- 75239 UH
Tools Required:
- Wrenches: 18mm, 19mm
- Drill Bits: None
Wiring Access Location:
- SUV1, SUV2
Step-by-Step Instructions:
For Sprinter Van Models:
-
Remove Tie-Down Hook:
- Detach the tie-down hook from the passenger side frame rail.
- Return the tie-down hook and fasteners to the vehicle owner.
-
Position the Hitch:
- Raise the hitch into position.
- Install the fasteners as shown:
- Insert a hex bolt and lock washer through the round hole in the hitch bracket.
- Insert hex bolts and toothed washers through the oblong slots in the hitch bracket, on both sides.
For Sprinter Cab & Chassis Models:
-
Remove Wheel Chock Bracket (if present):
- Remove the wheel chock bracket from the driver side frame rail and retain it for reinstallation.
- Discard the bolts.
-
Position the Hitch:
- Raise the hitch and the wheel chock bracket into position.
- Install the fasteners as shown:
- Insert a hex bolt and lock washer through the round hole in the hitch bracket.
- Insert hex bolts and toothed washers through the oblong slots in the hitch bracket, on both sides.
-
Tighten Fasteners:
- Use a torque wrench to tighten all M12 x 1.75 CL8.8 fasteners to 68 lb-ft (92 N·m).
Hardware List:
- (8) Hex Bolts M12 x 1.75 x 120mm CL8.8
- (8) 1/4” x 1” x 2” Spacer Blocks
- (6) 1/2” Toothed Washers
- (8) Hex Nuts M12 x 1.75
- (2) 1/2” Lock Washers
Notes:
- Check the hitch frequently to ensure all fasteners and the ball are properly tightened.
- If the hitch is removed, plug all holes in the trunk pan or body panels to prevent water and exhaust fumes from entering.
- Replace any damaged hitch or ball immediately.
- Follow all safety precautions when working beneath the vehicle, and wear eye protection.
- Do not cut access or attachment holes with a torch.
Specifications:
- Hitch Type and Weight Ratings:
- Weight Distributing: Max Trailer Weight 7,500 lbs (3,405 kg), Max Tongue Weight 750 lbs (341 kg).
- Weight Carrying (Ball Mount): Max Trailer Weight 6,000 lbs (2,724 kg), Max Tongue Weight 600 lbs (272 kg).
- Complies with safety specifications and requirements for connecting devices and towing systems of the State of New York, V.E.S.C. Regulation V-5, and SAE J684.
Additional Note:
- This hitch is not compatible with vehicles that have a 30-3/8” wide frame measured outside to outside.
Installation Instructions for T-One® T-Connector for Mercedes Sprinter
Part Numbers:
- 118649
Tools Required:
- Trim Panel Remover
- 10mm Socket & Ratchet or Wrench
- Drill (3/32” Drill Bit)
- 1/4” Socket
- Wire Crimpers
- Wire Cutters
- Phillips Head Screwdriver
- Test Probe
- Torx 25 Driver
- Torx 30 Driver
Step-by-Step Instructions:
-
Open Rear Doors and Access Taillights:
- Locate the plastic covers that shield the rear taillights on each side of the vehicle.
- Using a trim panel remover, carefully remove the three covers on each side. The first cover exposes the taillight harness; the upper covers assist with wire routing.
-
Disconnect the Wiring Harness:
- On both sides, locate the vehicle’s taillight wiring harness.
- Disconnect the harness connectors, ensuring the locking tabs remain intact.
- Clean all connector surfaces to ensure proper connection.
-
Install the T-One® T-Connector Black Box:
- Find a flat surface near the taillight area inside the vehicle.
- Mount the black box module to prevent damage or rattling.
-
Connect the Driver-Side T-Connector:
- Insert the T-Connector end with the yellow wire between the driver-side vehicle wiring connectors.
- Ensure all connectors are fully inserted and locked securely.
-
Route the Passenger-Side T-Connector:
- Route the T-Connector end with the green wire through the inner channel to the roof area of the vehicle.
- Follow existing wiring across to the passenger side and conceal the wire behind plastic wire covers where possible.
- Secure the wiring to existing harnesses using the provided cable ties.
-
Connect the Passenger-Side T-Connector:
- Route the wires down through the openings exposed earlier.
- Connect the T-Connector end with the green wire to the passenger-side wiring harness.
-
Ground the White Wire:
- Locate a grounding point near the driver-side connector.
- Clean the area to remove dirt and rustproofing.
- Drill a 3/32” hole and secure the white wire with the provided eyelet and screw.
Caution:
- Verify the area behind before drilling to avoid damage or injury.
-
Connect the Power Wire:
- From inside the vehicle, connect the black 12-gauge wire to the black wire from the T-One® black box using the yellow butt connector.
- Route the black wire through the channel to the roof area, following existing wiring toward the driver's seat.
- Conceal the wire behind plastic wire covers where possible.
-
Route the Wire to the Battery:
- Continue routing the black wire behind the trim panel next to the driver's seat and along the vehicle floor.
- Access the battery compartment beneath the driver-side floor.
- Remove the screws holding the threshold and floor coverings, then expose the battery.
-
Connect to the Vehicle Battery:
- Disconnect the negative (-) battery cable.
- Attach the provided fuse holder to the positive (+) battery terminal using the provided ring terminal.
- Connect the other end of the fuse holder to the black wire with the yellow butt connector.
- Insert the 15-amp fuse into the fuse holder.
Warning:
- Follow all warnings and instructions for handling the vehicle battery.
-
Reconnect the Battery:
- Reconnect the negative (-) battery cable.
- Test the installation with a test light or trailer to ensure proper operation.
-
Secure and Reassemble:
- Use cable ties to secure the remaining harness.
- Replace all trim panels, covers, and components removed during installation, ensuring no wires are pinched or damaged.
-
Store the 4-Flat Connector:
- Store the 4-flat connector in the vehicle's cargo area when not in use.
Specifications:
- Max. stop/turn light: 7.5 amps
- Max. tail lights: 7.5 amps
Safety Notes:
- Overloading circuits can cause fires. Do not exceed stated ratings or manufacturer specifications.
- Always wear safety glasses and follow safety precautions during installation.
Manufacturer Notes:
- Refer to the vehicle owner’s manual and instruction sheet for additional details.
- Store these instructions for future reference.