{"product_id":"mercedes-benz-a21050001234-coolant-expansion-tank","title":"Mercedes-Benz A21050001234 Coolant Expansion Tank","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-6a3be693-4000-83ec-acea-09e97e9e1ceb-7\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a3be693-4000-83ec-acea-09e97e9e1ceb-7\" data-turn-id-container=\"request-6a3be693-4000-83ec-acea-09e97e9e1ceb-7\" data-testid=\"conversation-turn-24\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"590eedab-ab14-4aa4-b521-98ccd9de7dce\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"562\"\u003eThe Mercedes-Benz E320 (W210) Coolant Fluid Tank Bottle Reservior Factory 1999 is used to store and regulate engine coolant within the vehicle's pressurized cooling system. Commonly installed in 1999 Mercedes-Benz E320 W210 models equipped with the 3.2L M112 V6 engine to maintain proper coolant levels and accommodate thermal expansion during engine operation. Automotive technicians and Mercedes-Benz owners use this reservoir for replacement of cracked, leaking, or deteriorated expansion tanks during cooling system maintenance and repairs.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"564\" data-end=\"581\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"582\" data-end=\"926\"\u003eThis Mercedes-Benz E320 (W210) Coolant Fluid Tank Bottle Reservior Factory is commonly used on 1999 sedans and wagons with the M112 V6 engine. It is suitable for cooling system overhauls, radiator replacements, thermostat service, water pump repairs, and preventive maintenance to ensure proper coolant circulation and engine temperature control.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"928\" data-end=\"957\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"958\" data-end=\"1547\"\u003e• Vehicle Make: Mercedes-Benz\u003cbr data-start=\"987\" data-end=\"990\"\u003e• Vehicle Model: E320 (W210)\u003cbr data-start=\"1018\" data-end=\"1021\"\u003e• Model Year: 1999\u003cbr data-start=\"1039\" data-end=\"1042\"\u003e• Product Type: Engine Coolant Expansion Tank \/ Reservoir Bottle\u003cbr data-start=\"1106\" data-end=\"1109\"\u003e• OEM Application: Factory Cooling System Reservoir\u003cbr data-start=\"1160\" data-end=\"1163\"\u003e• Engine Compatibility: 3.2L M112 V6\u003cbr data-start=\"1199\" data-end=\"1202\"\u003e• Material: High-temperature molded plastic\u003cbr data-start=\"1245\" data-end=\"1248\"\u003e• Function: Stores excess coolant and maintains proper cooling system pressure\u003cbr data-start=\"1326\" data-end=\"1329\"\u003e• Coolant Level Sensor Port: Yes\u003cbr data-start=\"1361\" data-end=\"1364\"\u003e• Pressure Cap Compatibility: Standard Mercedes-Benz coolant reservoir cap\u003cbr data-start=\"1438\" data-end=\"1441\"\u003e• Mounting Location: Engine compartment, adjacent to the radiator\u003cbr data-start=\"1506\" data-end=\"1509\"\u003e• Direct OEM-style fit and replacement\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1549\" data-end=\"1573\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1574\" data-end=\"1656\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Mercedes-Benz A2105000549\u003cbr data-start=\"1601\" data-end=\"1604\"\u003e• Mercedes-Benz A2105000649\u003cbr data-start=\"1631\" data-end=\"1634\"\u003e• URO Parts 2105000549\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"PLG Automation ","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51727897887022,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_da21b5a3-144c-4973-86c2-b0ba7c37723d.jpg?v=1770584429","url":"https:\/\/plgautomation.com\/products\/mercedes-benz-a21050001234-coolant-expansion-tank","provider":"PLG Automation ","version":"1.0","type":"link"}