Tow-Trust Towbars

TM23 MERCEDES GLE / GLS 2019> Including Hybrid Models

Important: Please read General Notes overleaf before fitting

Issue: 2

Fitting Instruction

Parts List

ItemQtyDescriptionItemQtyDescription
A1TM23 CrossmemberE2M16 x 50 Bolts & Nyloc Nuts
B2Side ArmsF4M12 x 35 (10.9) Bolts, 2 Nyloc Nuts & 2 S/P Washers
C2Handed Bolt StrapsG4M12 x 45 Bolts & Nyloc Nuts
D1ExtensionH1M12 x 130 (10.9) Bolts & Nyloc Nut
J1M8 x 40 Bolt & Nyloc Nut
K38 x 25 Flat Washers
L1012 x 25 Flat Washers
M2M12 Flange Nut
T1130mm O/D x 60mm Long Spacer Tube
X8Original Mercedes M2 Nuts (120 Nm)
X11Original Mercedes M6 Nuts (5 Nm)

BUMPER REMOVAL:

  1. Remove eight fixings from the bumper lower edge, four fixings from each wheel arch, peel back wheel arch liners to reveal two more fixings to remove.
  2. Pull bumper tips sideways to release from vehicle body then rearward disconnecting any necessary wiring looms.
  3. Remove boot floor trim for access to mounting point.
  4. Remove the rearmost fixing securing the AdBlue Tank to the rear impact beam.
  5. Hybrid Models: Remove the speaker bracket located to the inside of the right hand impact beam leg from body, three fixings. Unclip the wring loom retaining clip to allow the speaker to be relocated. (Speaker refitted using one fixing).
  6. Remove the rear impact beam and retain fixings for fitting Item A. (Rear impact beam is not refitted with the Towbar assembly).

HYBRID MODEL ADDITIONAL INSTRUCTIONS:

  1. Remove the two studs nearest to the chassis opening where the speaker bracket was attached, once removed coat any bare metal to prevent corrosion.
  2. Using Item X1 and Fig 2 as a guide remount the bracket to the stud located just to the left of the plastic bracket for the bumper.
  3. Insert Items C through the mounting point from inside the boot, securing Items B inside each chassis member using Items M. Fully tighten through the chassis opening, ensuring arm is square and in position. (See Fig 3).

TOWBAR INSTALLATION:

  1. (Standard Models) Fix Items B using Items C with Items M.
  2. Using Item X fix Item A to the rear panel. Always fully seal the rear panel and chassis openings with a suitable sealant to prevent water ingress.
  3. Fix Items B to Item A using Item F and Item L.
  4. Using Item J with Items K fix the AdBlue Tank to Item A.
  5. Fully tighten all fixings ensuring the Towbar is rigid, square and secure.
  6. Cut the rear bumper as shown below and refit.
  7. Using Item G with Item L and Item H with Items L fix Item D to Item A ensuring Item T1 is fitted between the rearmost lower mounting point.
  8. Using Item E fix your desired ball bracket and wiring plate (Not supplied in this kit) to Item D.
  9. Fully tighten all remaining fixings.

Diagram Descriptions:

Fig 1 Hybrid Models (O/S View): This diagram illustrates the main towbar crossmember (A) and side arms (B). Handed bolt straps (C) are shown connecting to the side arms. The connections to the vehicle chassis are indicated by dashed blue lines.

BUMPER CUT / OUTSIDE VIEW: This diagram shows a rear bumper with a marked cut-out area. Dimensions for the cut-out are indicated as 85mm, 120mm, and 65mm. A sealant gun is also depicted, suggesting the application of sealant.

Fig 2: This diagram details the attachment of the towbar assembly to the vehicle's rear structure. It shows the connection of items like B, C, and M to the chassis. It also depicts the fixing of the AdBlue Tank using items J and K to Item A.

Fig 3: This diagram shows a component, likely a towbar bracket, oriented at a 90-degree angle. A dimension of 155mm is indicated.

General diagram elements show various bolts, nuts, and washers (Items E, F, G, H, J, K, L, M, T1, X, X1) being used to connect the towbar components (A, B, C, D) to the vehicle. Dashed blue lines indicate the intended connection points and paths.

Notes:

  1. For Torque settings see general notes overleaf.
  2. Nose load limits and vehicle manufacturer's trailer / caravan weight limits must be observed.

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