Coolant electric pre-heater A0001591004

Description

Coolant electric pre-heater by MERCEDES, catalog number A0001591004. Confirmed catalog fitment: Mercedes-Benz E-Class S210 (1996–2003), Mercedes-Benz E-Class W210 (1995–2002), Mercedes-Benz E-Class W211 (2002–2008), Mercedes-Benz S-Class W220 (1998–2005). For an accurate match, compare the number and identification with the removed part and confirm the vehicle specification by VIN. The fitment list is a reference and does not replace a vehicle-specific compatibility check.

ELECTRIC ENGINE COOLANT HEATER. The electric coolant heater is a component of the engine preheating system designed to warm engine coolant before starting the vehicle in cold climate conditions. The device improves cold start performance by heating the antifreeze and gradually warming the engine block and cylinder head, reducing mechanical wear and lowering the load on the battery and starter motor. The operating principle is based on an electric heating element installed in the cooling circuit that transfers heat to the coolant, which then circulates naturally or with the help of an integrated pump. Depending on design, the heater may be an inline coolant heater, an integrated engine heater module or a unit with a circulation pump for more efficient heat distribution. Failure symptoms include lack of coolant heating, extended engine warm-up time, electrical faults or coolant leaks around the heater housing. Causes may include heating element failure, wiring damage, corrosion of electrical contacts or pump malfunction. Our catalog includes genuine OEM electric coolant heaters, high-quality aftermarket replacements and inspected used units without structural or electrical damage. Used units are tested for heater resistance, electrical connector integrity and housing sealing. Selection is performed by VIN number, engine type and cooling system configuration. Proper installation ensures reliable cold engine starting and improved winter vehicle operation.

Compatibility

Fits 4 vehicles

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About the manufacturer · MERCEDES

Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the...

Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the brand is part of Mercedes‑Benz Group and is recognized globally as a leading manufacturer of passenger cars, commercial vehicles and genuine automotive spare parts. Under the Mercedes‑Benz brand a wide range of original components is produced for the company’s vehicles, including engine parts, cooling system components, suspension elements, braking systems, transmission components, electronic modules, body parts and various maintenance and service items. Genuine Mercedes‑Benz parts are designed according to strict factory engineering standards and undergo comprehensive quality control throughout the production process. This ensures precise fitment, reliable performance and full compatibility with the vehicles they are intended for. According to feedback from car owners and automotive repair professionals, Mercedes‑Benz genuine parts are highly regarded for their excellent build quality, long service life and dependable operation even under demanding driving conditions. Many users also highlight the perfect fit and ease of installation of original components. The most frequently mentioned drawback is the relatively high price compared with many aftermarket alternatives, although many vehicle owners consider the cost justified due to the durability, safety and preservation of the vehicle’s original factory performance.

Additional information

Coolant electric pre-heater by MERCEDES, catalog number A0001591004, is listed for vehicle repair or maintenance. The catalog identifies the item as “Coolant electric pre-heater”. Confirmed catalog fitment: Mercedes-Benz E-Class S210 (1996–2003), Mercedes-Benz E-Class W210 (1995–2002), Mercedes-Benz E-Class W211 (2002–2008), Mercedes-Benz S-Class W220 (1998–2005). Fitment is based on the catalog links between the part and vehicle bodies. It helps narrow the search, but final compatibility must be confirmed for the exact vehicle specification. The primary ordering references are part number A0001591004 and manufacturer MERCEDES. Parts can differ within the same vehicle model by production year, engine, transmission, installation side, or position. Before purchase, compare the number and identification with the removed component and verify body, year, and specification by VIN. Also compare appearance, connectors, mountings, dimensions, and included items whenever those details are relevant to this part.

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