Oil Coolers
Mercedes-Benz Oil Coolers
M&B Parts supplies aftermarket oil coolers to fit a wide range of Mercedes-Benz models. The oil cooler keeps engine oil within its correct temperature range, protecting the oil's lubricating properties and helping prevent heat related engine wear. A sound oil cooler is essential for stable oil temperature, reliable lubrication, and long term engine protection.
We stock oil coolers to fit many Mercedes-Benz petrol and diesel engines, chosen for accurate fitment and durable construction.
Oil Coolers to Fit Mercedes-Benz Engines
The oil cooler transfers heat away from the engine oil, usually working alongside the coolant system or airflow depending on the design. On many Mercedes-Benz engines the oil cooler is integrated with the oil filter housing, so correct fitment and sealing matter.
A failing or poor quality oil cooler can cause oil leaks, oil and coolant mixing, and rising oil temperatures under load.
What an Oil Cooler Does
The oil cooler maintains engine oil at a stable operating temperature so the oil can lubricate and protect internal components effectively. Over time, seals and internal passages can degrade through heat cycles and pressure, and a common failure mode is leakage at the cooler or its housing seals.
Common Signs of a Faulty Oil Cooler
- Oil leaks around the cooler or filter housing
- Oil in the coolant or coolant in the oil
- Rising oil temperature under load
- Oil residue in the engine bay
- Low oil level with no obvious external cause
Replacing a failing oil cooler promptly helps protect the engine from heat and lubrication problems.
Our Oil Cooler Range
- Replacement oil coolers built to match the original fitment and function
- Complete oil cooler and filter housing units where applicable
- Options across petrol and diesel engine variants
All oil coolers are selected for correct sealing, material durability, and compatibility with Mercedes-Benz engines. Where a specific item is an original equipment part, that is stated on the individual product page.
Models and Fitment
Our oil cooler range fits many Mercedes-Benz models, including A-Class and B-Class (W176, W246, W177), CLA (W117), GLA (X156), C-Class (W203, W204, W205), E-Class (W211, W212, W213), S-Class (W221), SLK and SLC (W171, R172), GLC (X253), plus M270, M271 and M274 engine variants. We reference Mercedes chassis and engine codes so you can confirm accurate fitment. If you are unsure which oil cooler fits your vehicle, our team can help before you buy.
Why Buy Oil Coolers from M&B Parts
- Aftermarket engine cooling parts to fit Mercedes-Benz
- Quality replacement oil coolers at competitive prices
- Nationwide delivery across South Africa
- Experienced support to help you choose the correct part
Need Help Choosing the Correct Oil Cooler
If you cannot find the correct oil cooler for your Mercedes-Benz, contact M&B Parts with your vehicle details or part number and our team will help source it. You may also explore related categories:
- Oil filters to fit Mercedes-Benz
- Thermostat housings to fit Mercedes-Benz
- Water pumps to fit Mercedes-Benz
- Engine parts to fit Mercedes-Benz
Frequently Asked Questions
What does an oil cooler do on a Mercedes-Benz?
It keeps engine oil at a stable temperature so the oil can lubricate and protect the engine properly.
Can a faulty oil cooler mix oil and coolant?
Yes. On integrated designs, seal failure can allow oil and coolant to mix, which needs prompt attention.
Is the oil cooler part of the oil filter housing?
On many Mercedes-Benz engines, yes. Some units are supplied complete with the filter housing.
Do you deliver nationwide?
Yes. M&B Parts delivers across South Africa.
