TorqFix

W639 711.6 gearbox — MERCEDES-BENZ

W639 711.6 gearbox on Mercedes-Benz: 24 steps, engines 272.978, 642.890, 651.940, 651.942. What to remove, in what order, and what to check after.

Workshop procedure for MERCEDES-BENZ — the exact step sequence and torque figures, straight from real workshop data.

24 steps 4 engine codes

🧭 Before you start

Fits: platform codes VIANO, CDI, 2.0, |, 4MATIC, 2.2, 3.0, VITO, 110, 113, 4X4, 116, 122, 126

  • Opens: clutch fluid

🔧 Engine codes this applies to

📐 23 workshop diagrams for 272.978

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

W639 711.6 gearbox — 272.978 · diagram 1
W639 711.6 gearbox — 272.978 · diagram 2
W639 711.6 gearbox — 272.978 · diagram 3
W639 711.6 gearbox — 272.978 · diagram 4
W639 711.6 gearbox — 272.978 · diagram 5
W639 711.6 gearbox — 272.978 · diagram 6
W639 711.6 gearbox — 272.978 · diagram 7
W639 711.6 gearbox — 272.978 · diagram 8
+ 15 more diagrams

📋 Procedure

  1. Refit all parts in the reverse order of removal
  2. Remove the engine lower covers
  3. Remove the bracket
  4. Disconnect the clutch hydraulic line
  5. Propeller shaft/gearbox:
272.978? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Remove the cross member under the gearbox
  2. Remove the speed inductive sensor
  3. Disconnect the gear-shift cables from the gearbox
  4. Disconnect the propeller shaft from the gearbox
  5. Loosen the propeller shaft sliding joint
  6. Push the propeller shaft backwards
  7. Remove the propeller shaft
  8. Gearbox filler plug
  9. Disconnect the earth cable from the engine
  10. Propeller shaft middle support
  11. Renew the self-locking nuts
  12. Remove the engine/gearbox attaching bolts
  13. Remove the gearbox from under the vehicle
Workshop diagrams

Ask TorqFix about your Mercedes-Benz 272.978 — it answers with the exact sequence for that engine and the workshop drawing for each step. First question is free after a 20-second sign-up, no card.

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Who makes these pages, and how

TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.

The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.

Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.

Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com

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Workshop data on this page last updated 20 Sep 2026.