Mercedes B Class Spark Plugs
Replacement spark plugs — fitment, symptoms & live UK prices.
Fits Mercedes B Class — check your reg/VIN to confirm
From £10.92 · 6 live listings on eBay
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4x Mercedes B-Class W245 B 160 Genuine Bosch Super Plus Spark Plugs
£10.92View ›
4x Mercedes B-Class W245 B 170 Genuine Bosch Super Plus Spark Plugs
£10.92View ›
4x Mercedes B-Class W245 B 180 Genuine Bosch Super Plus Spark Plugs
£10.92View ›
4x Genuine Bosch Spark Plugs | A2701590600 | M133 A45 AMG Petrol Engine
£22.54View ›
4X GLOW PLUGS FOR MERCEDES A-B CLASS CITAN NISSAN JUKE QASHQAI 1.5DCI 8200682592
£24.66View ›
4x Mercedes-Benz OEM Spark Plugs A2701590700 – M270 & M274 Turbo Petrol Engines
£26.69View ›
Will it fit my Mercedes B Class?
Petrol only. Gap, heat range and thread length are engine-specific — the wrong plug can misfire or, in the worst case, contact the piston.
Tip: filter by your reg on eBay's compatibility check, or match the part number stamped on your old unit.
Signs your Mercedes B Class spark plugs needs replacing
- Misfire or rough idle
- Poor economy or sluggish acceleration
- Difficulty starting
- Engine warning light, misfire code
Fitting it yourself
Usually one of the easier jobs — coil packs off, plugs out with a spark plug socket. Don't over-tighten into an alloy head.
Torque: Typically 20–30 Nm depending on plug/head — over-tightening can strip the thread.
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