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Thứ 2, 14/09/2026
Administrator
138
Thứ 2, 14/09/2026
Administrator
138
What type of transmission fluid does the Mercedes-Benz GLC300 and GLB use? Differentiate between 9G-TRONIC, 7G-DCT, and 8G-DCT based on vehicle model, transmission code, and OEM standard such as MB 236.17 and MB 236.22.
What type of transmission fluid does the Mercedes-Benz GLC300/GLB use? How to determine it based on the vehicle model, transmission code, and OEM standard.
Do the Mercedes-Benz GLC300 and GLB use the same transmission fluid?
Are not.
Although both belong to Mercedes-Benz, the GLC300 and GLB are developed on two different powertrain platforms.
The GLC300 in Vietnam uses a 9-speed automatic transmission.9G-TRONICMeanwhile, the GLB can use either a 7-speed or 8-speed dual-clutch transmission depending on the version. Mercedes-Benz Vietnam confirms that the GLC300 4MATIC uses the 9G-TRONIC, while the GLB 200 AMG popular in Vietnam uses the 7G-DCT and the Mercedes-AMG GLB 35 uses the AMG SPEEDSHIFT DCT 8G 8-speed dual-clutch transmission. Mercedes-Benz
Therefore, choosing oil based solely on the Mercedes-Benz brand name is not advisable.
The correct procedure should be:
Vehicle Make → Model Year → Version → Transmission Type/Code → OEM Standard → Compatible Products
Quick comparison table of Mercedes-Benz GLC300 and GLB
This table is for initial guidance only. When changing the oil, the garage should still compare the VIN and the vehicle's technical data.
What type of transmission fluid does the Mercedes-Benz GLC300 use?
The GLC300 uses a 9G-TRONIC transmission.
The GLC300 generations distributed in Vietnam use a 9-speed 9G-TRONIC automatic transmission. Mercedes-Benz Vietnam announced this configuration on the GLC300 4MATIC. Mercedes-Benz
9G-TRONIC is a traditional automatic transmission that uses:
Torque converter
Multi-disc clutches
Planetary gear system
Hydraulic system
Mechatronic and solenoid valves
In this system, the transmission fluid not only serves a lubricating function but also directly participates in the process of pressure transmission and friction control.
For the 9G-TRONIC transmission in the 725.0 series, the standard oil checks typically required are:
Mercedes-Benz MB 236.17
Mercedes-Benz currently offers genuine oil products conforming to standard 236.17, while GARTZ 9G-HP also claims compliance.Mercedes MB 236.17 / 9G-Tronic / 725.0. Mercedes-Benz USA LLC
You can refer to this. GARTZ 9G-HP – 9-speed transmission fluid.
Why shouldn't the GLC300 9G-TRONIC use conventional ATF?
The 9G-TRONIC transmission has very precise requirements regarding:
Viscosity
Friction stability
Heat resistance
Hydraulic pressure control capability
Compatible with clutch and valve body
GARTZ also noted that 9G-TRONIC requires the correct oil specifications, as incorrect viscosity or friction characteristics can cause jerky gear changes, lag, or increased operating temperatures. GARTZ
Therefore, simply seeing a bottle of oil labeled "ATF 9-speed" is not enough to draw a proper conclusion.
It is necessary to check if the product meets the requirements.MB 236.17or not.
What type of transmission fluid does the Mercedes-Benz GLB use?
The answer is more complicated than with the GLC300 because the GLB has multiple transmission options.
The Mercedes-Benz GLB 200 AMG uses a 7G-DCT.
The GLB 200 AMG, popular in Vietnam, uses a 1.3L M282 engine paired with a dual-clutch automatic transmission.7G-DCT. Haxaco Mercedes-Benz
This is not an automatic transmission that uses a torque converter like the GLC300.
DCT uses two clutches to control even and odd gears, allowing for faster gear changes and reduced transmission losses.
Due to their different structures, DCT transmission fluids must meet specific characteristics regarding:
Clutch friction
Heat resistance
Gear lubrication
Hydraulic control
Compatible with mechatronics
The 9G-TRONIC oil from the GLC300 should not be used as a direct replacement for the GLB 7G-DCT oil.
With the GLB 200 AMG, the garage needs to accurately identify the transmission code and the Mercedes-Benz specifications listed for that particular vehicle before selecting the oil.