Description
The part number A0001587503 is an OEM ignition coil used by Mercedes‑Benz in multiple models equipped with the M104 engine and other applicable engine types. Kurth Classics Autoparts+2AUTODOC UK+2
Key features & functions:
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Converts low‑voltage power from the vehicle’s battery into the high voltage required to produce a spark at the spark plug, which is critical for proper combustion and engine performance.
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Ensures reliable spark delivery; a failing coil can lead to misfires, rough idle, loss of power, poor fuel economy, or engine warning lights.
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This part number is listed as equivalent or direct fit for a range of Mercedes‑Benz models including (but not limited to) W124, W140, W202, W210, R129, and W463 with the M104 engine series. Kurth Classics Autoparts+1
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After‑market suppliers show many compatible alternatives under this OEM number, meaning the coil is widely supported with equivalents from brands like RIDEX, HELLA, DELPHI etc. AUTODOC UK+1
Fitment & installation notes:
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Before ordering, always verify your exact engine code, model year, VIN, and existing coil number — many engines may have slightly different ignition coil designs, connectors, or seating arrangements.
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When replacing the ignition coil, consider also inspecting/replacing associated spark plugs, plug wires (if used), and ensuring proper connector cleanliness and mounting torque.
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After installation, clear any stored fault codes in the engine control module, and monitor for misfires or irregular engine behaviour.
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