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Genuine Mercedes Thermostat | 2762000315

Mercedes GL450, C43 AMG, GLS450, E400, C400, GLE43 AMG, C450 AMG, GLC43 AMG, GLE400, S450 & more
$173.99
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$181.24
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$236.00
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Make Sure It Fits

P/N: 2762000315 Genuine Mercedes FREE SHIPPING
Cross References:
  • A2762000315

The engine thermostat in your Mercedes is vital for maintaining an optimal engine operating temperature. It is a valve that closes when the engine temperature is low, allowing coolant to circulate inside the engine until it warms up. It opens when the engine temperature exceeds its optimal temperature to allow coolant to enter the radiator, where it is cooled before returning to the engine. It operates by having a wax pellet formulated to melt at a specific temperature that expands when melted to open the valve and contracts when closed, allowing the valve to close.

Thermostats fail when the valve gets stuck either open or closed. When a thermostat is stuck closed, it does not allow coolant to flow freely from the engine to the radiator, causing the engine to overheat. If the thermostat sticks open, coolant continuously flows freely through the radiator preventing the engine from adequately heating up. The thermostat can also fail by only partially opening or not fully closing, making the engine unable to operate in its optimal temperature range, causing it to consume excessive fuel and produce excessive tailpipe emissions.

When the thermostat fails, you must replace it for the engine to run at peak efficiency. It is also recommended to replace the thermostat when any other part of the cooling system causes the engine to overheat, as the excessive heat could have damaged the thermostat.

Although nearly every engine thermostat functions the same, differing designs and placements of thermostats vary in replacement times and difficulty. When replacing thermostats, it is vital to bleed out any air that may be trapped in the cooling system, as it prevents the cooling system from properly pressurizing and can prevent coolant from reaching parts of the engine.

View more Mercedes Thermostats.

Any Genuine brand part is obtained directly through our vehicle dealership network from your vehicle's manufacturer. This is always your best option for getting the exact same part that is being replaced and will be the latest version design.
Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

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What This Genuine Mercedes Thermostat Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

Mercedes
15-15 - C400 4Matic
17-21 - C43 AMG
16-16 - C450 AMG 4Matic
15-17 - CLS400 Base, 4Matic
15-18 - E400 Base, 4Matic
17-18 - E43 AMG 4Matic
19-20 - E450 Base, 4Matic
15-16 - GL450 4Matic
17-21 - GLC43 AMG 4Matic
16-19 - GLE400 4Matic
17-19 - GLE43 AMG
16-16 - GLE450 AMG 4Matic
16-18 - GLE550e 4Matic
17-19 - GLS450 4Matic
15-15 - ML400 4Matic
18-20 - S450 Base, 4Matic
16-17 - S550e
20-20 - S560e
15-16 - SL400