- - - Overview: MERCEDES-BENZ's transverse 8-speed dual-clutch transmission with integrated electromechanical actuation.
      
      Key Features:
      - Wet Clutch System: Dual 7-plate clutch packs (0.5mm runout tolerance)
      - Torque Capacity: 400Nm (optimized for M260 2.0L turbo)
      - Mechatronic Unit: Direct-mounted TCU with predictive shift strategy
      Failure Modes:
      - Clutch Contamination: Degraded MB 236.21 fluid causes shudder (P0730)
      - Valve Body Wear: Shift solenoids stick in cold (delayed 1-2 shifts)
      - Input Shaft Bearing Failure: Metal debris in fluid (whining noise)
      Critical Service Notes:
      1. Fluid Specification: MB 236.21 ONLY (5.8L capacity)
      2. Adaptation Reset: Required after clutch service (XENTRY mandatory)
      3. Clutch Runout Check: >0.3mm requires pack replacement
      Pro Tip: Monitor "clutch adaptation values" in XENTRY – exceeding ±15% indicates wear.

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