2013 Mercedes Benz B250FACTORY OEM SERVICE PROCEDURE

Preglow system - BA15.20-P-1000-01H

ENGINE 626Β 

PREGLOW SYSTEM

Number Designation ENGINE 626
BA15.20-P-1001-01H Glow plug to cylinder head Nm 14
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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