Coolant pump connector M116 M117 M119 – Mercedes

Description

Coolant pump connector – Mercedes R107 R129 W126 C107 – M116 M117 M119 engine

This connector for the coolant pump is used in various Mercedes V8 engines from the M116, M117, and M119 series.

The connector is located near the water pump and is part of the engine cooling system. A proper connection and seal are important to prevent coolant loss and leakage around the water pump.

Leakage can occur due to age, corrosion, or damage to the sealing surfaces. Therefore, when replacing, we also recommend carefully inspecting the connection surfaces, seals, and surrounding components of the cooling system.

Suitable for Mercedes models

R107 – SL Roadster

• 380 SL – M116 engine, depending on version
• 420 SL – M116 engine, depending on version
• 500 SL – M117 engine, depending on version
• 560 SL – M117 engine, depending on version

C107 – SLC Coupé

• 380 SLC – M116 engine, depending on version
• 450 SLC 5.0 – M117.960
• 500 SLC – M117.960

R129 – SL Roadster

• 500 SL – M119.960 – early version

W126 – S-Class Sedan

• 380 SE and 380 SEL – M116 engine
• 420 SE and 420 SEL – M116 engine
• 500 SE and 500 SEL – M117 engine
• 560 SE and 560 SEL – M117 engine, depending on market version

C126 – SEC Coupé

• 380 SEC – M116 engine
• 420 SEC – M116 engine
• 500 SEC – M117 engine
• 560 SEC – M117 engine

NB: The mentioned vehicle models are linked to the respective engine families. Always check the exact engine code and the Mercedes OEM number before ordering the adapter.

Suitable Mercedes engine types

M116 – V8 engine

• M116.960
• M116.961
• M116.962
• M116.963
• M116.964
• M116.965

M117 – V8 engine

• M117960
• M117961
• M117962
• M117963
• M117964
• M117965
• M117967
• M117968

M119 – V8 engine

• M119960

These engine types are included based on the provided Mercedes parts catalogue entries. The exact version and any application restrictions must be verified using the part number.

Specifications

1. Element: coolant pump connector
2. Mercedes OEM number: A1172000183
3. Application: engine cooling system – water pump
4. Engine families: M116, M117 and M119
5. Mounting position: at the coolant pump
6. German name: Stutzen
7. Sale: per piece

Inspection and installation advice

1. Check the part number. Compare the new connector with the original version.
2. Clean the connection surfaces. Carefully remove old sealing residue, dirt, and corrosion.
3. Check the seal. Use the prescribed seal and replace outdated sealing materials.
4. Check the water pump. Inspect the pump and surrounding connections for corrosion, damage, and leakage.
5. Check the coolant hoses. Hardened or damaged hoses can cause leakage.
6. Fill and bleed the cooling system. Use suitable coolant and follow the Mercedes workshop manual.
7. Check for leaks after installation. Check the cooling system after the engine has reached operating temperature.

Additional information

1. Suitable for various Mercedes V8 engines from the M116, M117, and M119 series.
2. Part of the cooling system at the water pump.
3. When replacing, also check the seal and the condition of the connection surfaces.
4. The application depends on the exact engine type and the design of the coolant pump.
5. We recommend replacing the coolant at least every 5 years, unless the specifications of the coolant used indicate a shorter interval.

Important

This information is a general guideline. The Mercedes workshop manual for the vehicle in question is the governing document. Always check the correct installation procedures, seals, and tightening torques. We accept no liability for damage resulting from incorrect installation.

Always check before purchase and installation whether the part is suitable and equivalent based on photos, description, and specifications; installed or used parts cannot be returned.