Engine oil capacity
8 L
- Oil change with filter
Mercedes-Benz SL350 R2303.5 litre · 200 kW
Mar 2006 – Jan 2012 · Convertible · Petrol · 230.456
Oil, coolant and a checklist for your next service.
Other SL350 versions
Oil & coolant
Coolant capacity
7.5 L
- Engine cooling system
- Service refill
Engine oil specification
MB 229.5
Coolant specification
MB 325.6 or MB 326.6
- MB 325.6: concentrate, dilute before use
- MB 326.6: premixed, do not add water
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 272.966
- 3,498 cc · 6 cylinders · 24 valves
- Naturally aspirated · intake manifold injection/ carburettor
- Bore × stroke 92.9 × 86 mm
- Compression 10.7:1
Drive
Rear-wheel drive
Rear axle oil
1.9 L
- Approval MB 235.0
Brake fluid
DOT 4
Fluid capacities for Australian models
| Australian model | Automatic gearbox |
|---|---|
| SL350 (R230), 3.5 Litre V6 DOHC 24V Eng., Automatic (2006-2007) | 9 L (refill) |
| SL350 (R230), 3.5 Litre V6 DOHC 24V Eng., Automatic (2008-2009) | 9 L (refill) |
| SL350 (R230), 3.5 Litre V6 DOHC 24V Eng., Automatic. (2010-2013) | 9 L (dry fill) |
From the FUCHS lubricant guide for Australian models. A dry fill is the quantity for an empty unit; a fluid change takes less. A refill is the quantity for a normal fluid change.
When to service & replace parts
For jobs with both a time and a kilometre limit, use whichever comes first.
Replacement intervals
| Part or fluid | When to replace it |
|---|---|
| Engine air filter | More than 80,000 km or 4 years |
| Coolant | More than 250000 km (155000 miles) or 15 years since last change |
| Fuel filter | More than 80,000 km or 4 years since last change |
Service checklist
A service checklist is not available for this version.
Brake discs
| Axle | Disc size | Type | Minimum thickness | Applies to |
|---|---|---|---|---|
| Front | 330 × 32 mm | Vented | 30 mm | Without sports package |
| Front | 350 × 32 mm | Vented | 30 mm | With sports package |
| Rear | 300 × 12 mm | Solid | 10 mm | Without sports package |
| Rear | 320 × 24 mm | Vented | 22 mm | With sports package |
Size is diameter × thickness. Replace a disc before it wears to its minimum thickness, which is also marked on the disc itself. Where two sizes are listed for one axle, the car's equipment decides which it has: measure the disc to be sure.
Wheels & tyres
Stud pattern
5 × 112
- Number of bolts × circle diameter (mm)
Wheel bolts
M14 × 1.5
- 17 mm hex head
Factory wheel and tyre sizes
| Wheel | Tyre size | Rim | Fitted to |
|---|---|---|---|
| 18-inch | 255/40 R18Mercedes-approved (MO) tyres listed | 8.5J × 18, offset ET35 | Front and rear |
| 18-inch | 255/40 R18Mercedes-approved (MO) tyres listed | 8.5J × 18, offset ET30 | Front and rear |
| 19-inch | 255/35 R19Mercedes-approved (MO) tyres listed | 8.5J × 19, offset ET35 | Front |
| 19-inch | 255/35 R19Mercedes-approved (MO) tyres listed | 8.5J × 19, offset ET30 | Front |
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.
Bulbs
| Light | Bulb | Applies to |
|---|---|---|
| Headlight (low beam) | H7 · 55 W | Halogen |
| Headlight (low beam) | D1S xenon · 35 W | Bi-Xenon |
| High beam | H7 · 55 W | — |
| Indicator, front | PY21W · 21 W | — |
| Indicator, rear | PY21W · 21 W | — |
| Parking / position light | W5W · 5 W | — |
| Brake light | P21W · 21 W | — |
| Third brake light | LED | — |
| Reverse light | P21W · 21 W | — |
| Rear fog light | P21W · 21 W | — |
| Rear fog / tail light | P21/4W | — |
| Number plate light | C5W · 5 W | — |
| Interior light | W5W · 5 W | — |
Check the bulb you take out before buying a new one. Halogen, xenon and LED headlights use different bulbs, and LED lights usually have no bulb to replace.
Battery
| Case size (L × W × H) | Capacity | Cold cranking | Share of listings |
|---|---|---|---|
| 278 × 175 × 190 mm | 70 Ah | 760 A (EN) | 75% |
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.
Spark plugs
Number
6
Thread
M12 × 1.25
Electrode gap
0.8 mm
Engine, gearbox, brake, wheel, tyre, bulb, battery and plug details come from the TecDoc parts catalogue for this exact vehicle (TecDoc vehicle 19389). Where suppliers' listings disagree, only the clear majority is shown.
Parts for this car
25 in stockEvery part we stock that the TecDoc catalogue lists for the SL350 R230 3.5 litre · 200 kW. Build date and factory options can still affect fitment, so check the fitment table on a part before you order.
Brakes3 parts
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In stock$15.00
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Low stock$139.00
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Low stock$183.00
Engine & cooling6 parts
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In stock$29.00
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Low stock$14.00
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In stock$8.90
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In stock$11.00
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In stock$8.70
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Low stock$22.00
Suspension & steering3 parts
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Low stock$24.00
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In stock$55.00
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In stock$10.40
Transmission & driveline4 parts
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In stock$5.00
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In stock$7.60
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Low stock$20.00
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In stock$3.00
Electrical1 part
-
Low stock$33.00
Body & interior8 parts
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In stock$2.40
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In stock$1.70
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In stock$1.60
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In stock$1.80
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In stock$4.40
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In stock$4.10
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In stock$1.50
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In stock$1.00
Keep a record of this service
Print the specifications and checklist with your registration, VIN, mileage and the products you used.