Reese 44547 User Manual [en, es, fr]
Bumper Mounting
Bracket
Trunk Pan/
Plastic Trunk
Pan Cover
Hitch Shown In Proper Position
Equipment Required:
Fastener Kit: 75470F
Wrenches: 10mm, 15mm, 17mm
Drill Bits: None
Installation Instructions
Mercedes-Benz R350
Mercedes-Benz R500
Mercedes-Benz R320 CDI
Mercedes-Benz R320 BlueTEC
Note: Trunk Pan cover requires trimming.
Obtain Vehicle Owner’s approval
Plastic Fascia
Do Not Exceed Lower of Towing Vehicle
Manufacturer’s Rating or
Hitch type
Weight Distributing
Weight Carrying
Ball Mount
Wiring Access Location: T.B.D.
1234
Typical all models
Max Gross
Trailer WT (LB)
Part Numbers:
75470
44547
87413
Max Tongue
WT (LB)
N/AN/A
350 (159 Kg)3500 (1589 Kg)
Bumper
Mounting
Bracket
See Figure 4 For
Fastener Configuration
For vehicles without
Cross Bracing Members
Plastic Trunk
Pan Cover
2
Vehicle Cross
Bracing Members
1
2
3
4
5
Hex Bolt M10 x 1.50 x 140mmQty. (2)
Flat Washer 10mmQty. (6)
Conical Toothed Washer 3/8”Qty. (4)
Hex Nut M10 x 1.50Qty. (2)
Hex Bolt M10 x 1.50 x 45mmQty. (2)
3
5
Remove existing
Bolt & Nut this
Location
3
Figure 1
6
7
8
9
Cut-out – See
Figure 2
Carriage Bolt 7/16-14 x 2.00Qty. (2)
Block ¼” x 1 x 3Qty. (2)
Conical Toothed Washer 7/16”Qty. (2)
Hex Nut 7/16-14Qty. (2)
Block 7/16 x 1 x 2Qty. (2)
Vehicle Bumper
Fasteners Typical
Both Sides of
Vehicle
Note: check hitch frequently, making sure all fasteners and ball are properly tightened. If hitch is removed, plug all holes in trunk pan or other body panels to
prevent entry of water and exhaust fumes. A hitch or ball which has been damaged should be removed and replaced. Observe safety precautions when working
beneath a vehicle and wear eye protection. Do not cut access or attachment holes with a torch.
This product 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.
z 2006, 2007, 2009 Cequent Performance Products
Rev. D4-24-0975470NSheet 1 of 9
-
-
Plastic Trunk
Pan Cover
Installation Instructions
Mercedes-Benz R350
Mercedes-Benz R500
Mercedes-Benz R320 CDI
Mercedes-Benz R320 BlueTEC
On vehicles without cross bracing members,
This area will need to be cut out to provide
access to trunk pan.
¼ x 1 x 3 Block
Part Numbers:
75470
44547
87413
Remove rubber plug
this hole
¼ x 1 x 3 Block
Rib
Plastic
Fascia
Rib
Figure 3
View looking inside vehicle spare
tire well with spare tire and tool kit
Cut plastic trunk pan
Cover in area shaded
For hitch bar clearance
Typical all models
This Fascia-mounting
Bolt will NOT
Reinstalled after
Hitch installation
be
removed.
Inside-vehicle access not necessary on
vehicles with cross bracing members
Figure 2
For Vehicles With Cross Bracing Members
Note: Trunk Pan cover requires trimming. Obtain Vehicle Owner’s approval before cutting.
1. Remove (2) M10 fasteners which secure vehicle cross-bracing members to trunk pan as shown in Figure 2 and return to vehicle
owner.
2. Remove (4) fascia-mounting bolts which attach fascia to trunk pan as shown in Figure 2. Retain (3) of these bolts for reinstallation (one bolt will not be re-installed and may be returned to vehicle owner). Remove (7) flanged nuts which attach plastic
trunk pan cover to trunk pan. Retain all (7) flanged nuts for re-installation of trunk pan cover.
3. Remove inboard bumper mounting bolt and flanged nut, one each side, as shown in Figure 1 and return to vehicle owner.
4. Cut plastic trunk pan cover as shown in Figure 2.
5. Install M10 x 1.50 x 140mm bolts down thru bumper/bumper mounting bracket, each side, as shown in Figure 1.
Note: There will be sufficient room to use flat wrench to hold bolt head above bumper.
6. Raise hitch into position as shown. Install conical toothed washers and nuts provided with hitch to M10 fasteners installed in step
5.
7. Attach forward hitch bar to trunk pan as shown, sandwiching cross-bracing members between hitch bar and trunk pan.
Note: Flat washers must be used as spacers between hitch bar and cross-bracing members.
Tighten all M10 x 1.50 CL10.9 fasteners with torque wrench to 53 Lb.-Ft. (72 N-M)
8. Re-install (7) flanged nuts which attach trunk pan cover to trunk pan. Reinstall (3) fascia-mounting bolts.
Note: check hitch frequently, making sure all fasteners and ball are properly tightened. If hitch is removed, plug all holes in trunk pan or other body panels to
prevent entry of water and exhaust fumes. A hitch or ball which has been damaged should be removed and replaced. Observe safety precautions when working
beneath a vehicle and wear eye protection. Do not cut access or attachment holes with a torch.
This product 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.
z 2006, 2007, 2009 Cequent Performance Products
Form: F205 Rev A 5-6-05
Rev. D4-24-0975470NSheet 2 of 9
Installation Instructions
Mercedes-Benz R350
Mercedes-Benz R500
Mercedes-Benz R320 CDI
6
7
Cut-out – See
Figure 2
8
9
Trunk pan fastener configuration for vehicles
without cross bracing members
Mercedes-Benz R320 BlueTEC
Cut-out – See
Figure 2
8
Figure 4
For Vehicles Without Cross Bracing Members
Note: Trunk Pan cover requires trimming. Obtain Vehicle Owner’s approval before cutting.
1. Remove (4) fascia-mounting bolts which attach fascia to trunk pan as shown in Figure 2. Retain (3) of these bolts for reinstallation (one bolt will not be re-installed and may be returned to vehicle owner). Remove (7) flanged nuts which attach plastic
trunk pan cover to trunk pan. Retain all (7) flanged nuts for re-installation of trunk pan cover.
2. Remove spare tire and tool kit from inside vehicle.
3. Remove rubber plugs from attaching holes as shown in Figure 3.
4. Cut plastic trunk pan cover as shown in Figure 2.
5. Remove inboard bumper mounting bolt and flanged nut, one each side, as shown in Figure 1 and return to vehicle owner.
Part Numbers:
75470
44547
87413
Fasteners Typical
Both Sides of
Vehicle.
6. Install M10 x 1.50 x 140mm bolts down thru bumper/bumper mounting bracket, each side, as shown in Figure 1.
Note: There will be sufficient room to use flat wrench to hold bolt head above bumper.
7. Raise hitch and plastic trunk pan cover into position as shown. Install conical washers and nuts provided with hitch to M10
fasteners installed in step 7.
8. Install 7/16 carriage bolts and ¼ x 1 x 3 blocks (sq. hole) down thru holes in spare tire well.
Note: Blocks must be oriented against rib in spare tire well as shown in Figure 3 to prevent block from turning, as well as to allow
blocks to sit flat.
9. With 7/6 x 1 x 2 block between spare tire well and hitch bar, and carriage bolt thru hole in block and slot in hitch bar, attach
conical washer and nut.
Tighten all 7/16-14 GR5 fasteners with torque wrench to 50 Lb.-Ft. (68 N*M)
Tighten all M10 x 1.50 CL10.9 fasteners with torque wrench to 53 Lb.-Ft. (72 N*M)
10. Re-install (7) flanged nuts which attach trunk pan cover to trunk pan. Reinstall (3) fascia-mounting bolts.
11. Return spare tire and tool kit inside vehicle.
Note: check hitch frequently, making sure all fasteners and ball are properly tightened. If hitch is removed, plug all holes in trunk pan or other body panels to
prevent entry of water and exhaust fumes. A hitch or ball which has been damaged should be removed and replaced. Observe safety precautions when working
beneath a vehicle and wear eye protection. Do not cut access or attachment holes with a torch.
This product 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.
z 2006, 2007, 2009 Cequent Performance Products
Rev. D4-24-0975470NSheet 3 of 9
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