⚙️Transmission Fluid
Mercedes CLA Transmission Fluid
Find the correct transmission fluid type and capacity for your Mercedes CLA. Covers automatic and manual transmissions for all years.
Quick Answer
The Mercedes CLA transmission fluid type depends on your transmission — automatic models require the manufacturer-specified automatic transmission fluid. Manual transmissions use manufacturer-specified manual transmission fluid. See the year breakdown below.
2019-2024
2019-2024Automatic Fluid TypeManufacturer-specified ATF (check owner's manual)
Auto Drain & Fill3.5 - 4.0 quarts
Auto Total Capacity7.0 - 12.0 quarts
Manual Fluid TypeManufacturer-specified manual transmission fluid (if equipped)
Manual Capacity2.0 - 3.0 quarts
Change Interval60,000 - 100,000 miles (auto), 30,000 - 60,000 (manual)
Notes
- →Use ONLY the manufacturer-specified fluid — wrong ATF can damage the transmission
- →Check transmission fluid level with engine running and at operating temperature
- →Many modern transmissions are "sealed" — fluid checks require removing a fill plug underneath
- →Dark, burnt-smelling fluid indicates overheating — change immediately
2014-2018
2014-2018Automatic Fluid TypeManufacturer-specified ATF (check owner's manual)
Auto Drain & Fill3.5 - 4.0 quarts
Auto Total Capacity7.0 - 12.0 quarts
Manual Fluid TypeManufacturer-specified manual transmission fluid (if equipped)
Manual Capacity2.0 - 3.0 quarts
Change Interval60,000 - 100,000 miles (auto), 30,000 - 60,000 (manual)
Notes
- →Use ONLY the manufacturer-specified fluid — wrong ATF can damage the transmission
- →Check transmission fluid level with engine running and at operating temperature
- →Many modern transmissions are "sealed" — fluid checks require removing a fill plug underneath
- →Dark, burnt-smelling fluid indicates overheating — change immediately
Frequently Asked Questions
- What transmission fluid does a Mercedes CLA use?
- The Mercedes CLA transmission fluid type depends on the year and transmission. Automatic transmissions require the manufacturer-recommended ATF — using the wrong type can cause shifting problems or damage. Manual transmissions use manufacturer-specified manual transmission fluid. See below for your specific year.
- How much transmission fluid does a Mercedes CLA take?
- A drain-and-fill on the Mercedes CLA automatic transmission typically takes 3.5-4.0 quarts. The total system capacity is 7-12 quarts. For a complete fluid exchange, you'll need the full capacity amount.
- How often should I change transmission fluid in my Mercedes CLA?
- Change your Mercedes CLA automatic transmission fluid every 60,000-100,000 miles under normal conditions. For severe duty (towing, mountain driving, hot climates), change every 30,000-60,000 miles.
- Does the Mercedes CLA have a transmission dipstick?
- Many 2010+ Mercedes CLA models have sealed transmissions with no dipstick. Fluid level is checked via a fill plug underneath the vehicle. Older models typically have a traditional dipstick under the hood.
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