Mercedes-Benz SL600 R2305.5 litre · 368 kW

Apr 2003 – Jan 2012 · Convertible · Petrol · 230.476

Oil, coolant and a checklist for your next service.

Other SL600 versions
Silver Mercedes-Benz SL R230, generated side-profile illustration

Oil & coolant

Engine oil capacity

8 L

  • Oil change with filter

Coolant capacity

9.4 L

  • Engine cooling system
  • Total system capacity
  • 1.5 L · Low-temperature cooling circuit · Total system capacity

Engine oil specification

MB 229.5

  • SAE 0W-40 or SAE 5W-40

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 275.951

  • 5,513 cc · 12 cylinders · 36 valves
  • Turbocharged · intake manifold injection/ carburettor
  • Bore × stroke 82 × 87 mm
  • Compression 9:1

Drive

Rear-wheel drive

Automatic gearbox fluid

MB 236.14

  • 5G-TRONIC (722.6)

Rear axle oil

1.9 L

  • Approval MB 235.0

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.

Fluid capacities for Australian models

Australian modelAutomatic gearbox
SL600 (R230), 5.5 Litre V12 36V Twin Turbo Eng., Auto. (2003-2005)7.5 L (refill)
SL600 (R230), 5.5 Litre V12 36V Twin Turbo Eng., Auto. (2006-2009)7.5 L (refill)
SL600 (R230), 5.5 Litre V12 36V Twin Turbo Eng., Auto.. (2010-2012)6.5 L (refill)

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 fluidWhen to replace it
Engine air filterMore than 80,000 km or 4 years
Fuel filterMore than 80,000 km (50,000 mi) or 4 years since last change

Service checklist

A service checklist is not available for this version.

Brake discs

AxleDisc sizeTypeMinimum thicknessApplies to
Front 360 × 36 mm Vented 34 mm All versions
Rear 330 × 26 mm Vented 24 mm All versions

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

WheelTyre sizeRimFitted 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

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

LightBulbApplies to
Headlight (low beam)H7 · 55 WHalogen
Headlight (low beam)D1S xenon · 35 WBi-Xenon
High beamH7 · 55 W—
Indicator, frontPY21W · 21 W—
Indicator, rearPY21W · 21 W—
Parking / position lightW5W · 5 W—
Brake lightP21W · 21 W—
Third brake lightLED—
Reverse lightP21W · 21 W—
Rear fog lightP21W · 21 W—
Rear fog / tail lightP21/4W—
Number plate lightC5W · 5 W—
Interior lightW5W · 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)CapacityCold crankingShare of listings
278 × 175 × 190 mm 70 Ah 760 A (EN) 72%

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 17193). Where suppliers' listings disagree, only the clear majority is shown.

Parts for this car

20 in stock

Every part we stock that the TecDoc catalogue lists for the SL600 R230 5.5 litre · 368 kW. Build date and factory options can still affect fitment, so check the fitment table on a part before you order.

Brakes2 parts
Engine & cooling4 parts
Suspension & steering2 parts
Transmission & driveline3 parts
Electrical1 part
Body & interior8 parts

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