Engine oil capacity
Not available for this version
Mercedes-Benz S450 EQ Boost 4MATIC V2233.0 litre · 270 kW
Oct 2020 onward · Sedan · Mild hybrid · 223.161
Oil, coolant and a checklist for your next service.
Oil & coolant
Coolant capacity
Not available for this version
Engine oil specification
Not available for this version
Coolant specification
Not available for this version
Do not mix different coolant types. Let the cooling system cool before opening the reservoir. Check the level after filling. The capacity shown is not a top-up amount.
Engine & gearbox
Engine code
M 256.930
- 2,999 cc · 6 cylinders · 24 valves
- Turbocharged · direct injection
- Bore × stroke 83 × 92.4 mm
- Compression 10.5:1
Drive
All-wheel drive
Automatic gearbox fluid
10 L
- 9G-TRONIC (725.0)
- Approval MB 236.17
Automatic gearbox fluid
4.5 L
- 725.1
- Approval MB 236.17
Brake fluid
DOT 4
The gearbox figure is the quantity listed for the gearbox. A fluid change usually takes less, so fill to the correct level rather than to the figure. Two gearboxes are listed for this car, so check which one yours has before buying fluid.
Service checklist
A service checklist is not available for this version.
Wheels & tyres
Wheel bolts
M14 × 1.5
- 17 mm hex head
Factory wheel and tyre sizes
| Wheel | Tyre size | Rim | Fitted to |
|---|---|---|---|
| 18-inch | 235/55 R18 | 8.0J × 18, offset ET29 | Front and rear |
| 18-inch | 235/55 R18 | 8.0J × 18, offset ET37.5 | Front and rear |
| 20-inch | 255/40 R20Mercedes-approved (MO) tyres listed | 9.0J × 20, offset ET34 | Front and rear |
Sizes the parts catalogue lists for this car. A "Rear" row is the wider rear tyre on cars with different sizes front and rear. Your tyre placard, on the driver's door pillar, gives the sizes and pressures for the wheels your car was built with.
Battery
| Case size (L × W × H) | Capacity | Cold cranking | Share of listings |
|---|---|---|---|
| 353 × 175 × 190 mm | 95 Ah | 850 A (EN) | 62% |
| 278 × 175 × 190 mm | 70 Ah | 760 A (EN) | 38% |
The main battery sizes listed for this car, most common first. The right one depends on the car's equipment, such as start-stop, so match the size, capacity and type printed on the battery you are replacing.
Engine, gearbox, brake, wheel, tyre, bulb, battery and plug details come from the TecDoc parts catalogue for this exact vehicle (TecDoc vehicle 143385). Where suppliers' listings disagree, only the clear majority is shown.
Parts for this car
2 in stockEvery part we stock that the TecDoc catalogue lists for the S450 EQ Boost 4MATIC V223 3.0 litre · 270 kW. Build date and factory options can still affect fitment, so check the fitment table on a part before you order.
Brakes2 parts
-
In stock$12.00
-
In stock$12.00
Keep a record of this service
Print the specifications and checklist with your registration, VIN, mileage and the products you used.