E17
STIHL · MS 250 45.4 cc 2-Stroke Gas Chainsaw with 18" Bar and Anti-Vibration System
A loose or damaged muffler causes excessive noise and may affect engine performance or cause exhaust leaks. Triggered by loose screws or physical damage.
Error E17 on the STIHL MS 250 45.4 cc 2-Stroke Gas Chainsaw with 18" Bar and Anti-Vibration System means: Muffler Loose or Damaged. The top-ranked community fix is “Tighten Muffler Screws” (easy difficulty, ~15 min, DIY cost: $0-$5). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · chainsaw
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many chainsaw repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $80-$100.
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The STIHL MS 250 45.4 cc 2-Stroke Gas Chainsaw with 18" Bar and Anti-Vibration System has 8 other known error codes:
Error code E17 also appears on 10 other STIHL models:
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