Mercedes-Benz C230 Kompressor CL2031.8 litre · 141 kW

May 2002 – May 2008 · Coupé · Petrol · 203.740

Oil, coolant and a checklist for your next service.

Other C230 Kompressor versions
Silver Mercedes-Benz C-Class CL203 coupé, generated side-profile illustration

Oil & coolant

Engine oil capacity

5.5 L

  • Oil change with filter

Coolant capacity

5.6 L

  • 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 271.948

  • 1,796 cc · 4 cylinders · 16 valves
  • Supercharged · intake manifold injection/ carburettor
  • Bore × stroke 82 × 85 mm
  • Compression 10.5:1

Drive

Rear-wheel drive

Automatic gearbox fluid

MB 236.14

  • 5G-TRONIC (722.6)

Rear axle oil

0.9 L

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.

When to service & replace parts

Replacement intervals

Part or fluidWhen to replace it
Brake fluidEvery 2 years

Service checklist

A service checklist is not available for this version.

Brake discs

AxleDisc sizeTypeMinimum thicknessApplies to
Front 288 × 25 mm Vented 22.4 mm Without sports package
Front 300 × 28 mm Vented 25.4 mm All versions
Front 330 × 28 mm Vented 26 mm With sports package
Rear 278 × 9 mm Solid 7.3 mm Without sports package
Rear 290 × 10 mm Solid 8.3 mm Sportpaket

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

M12 × 1.5

  • 17 mm hex head

Factory wheel and tyre sizes

WheelTyre sizeRimFitted to
16-inch 205/55 R16Mercedes-approved (MO) tyres listed 7.0J × 16 Front and rear
16-inch 205/55 R16Mercedes-approved (MO) tyres listed 7.0J × 16, offset ET37 Front and rear
17-inch 225/45 R17Mercedes-approved (MO) tyres listed 7.5J × 17 Front and rear
17-inch 225/45 R17Mercedes-approved (MO) tyres listed 7.5J × 17, offset ET37 Front and rear
18-inch 225/40 R18Mercedes-approved (MO) tyres listed 7.5J × 18, offset ET37 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 WHalogen
High beamD1S xenon · 35 WBi-Xenon
Front fog lightH7 · 55 W—
Front fog lightHB3 · 60 WXenon
Indicator, frontPY21W · 21 W—
Daytime running lightH7 · 55 W—
Parking / position lightW5W · 5 W—
Brake / tail lightP21/5W · 21 W—
Brake lightP21W · 21 W—
Reverse lightP21W · 21 W—
Rear fog / tail lightP21/4W · 21 W—
Number plate lightC5W · 5 W—
Clearance 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) 35%
242 × 175 × 190 mm 60 Ah 540 A (EN) 34%

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

4

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 16720). Where suppliers' listings disagree, only the clear majority is shown.

Parts for this car

22 in stock

Every part we stock that the TecDoc catalogue lists for the C230 Kompressor CL203 1.8 litre · 141 kW. Build date and factory options can still affect fitment, so check the fitment table on a part before you order.

Brakes2 parts
Engine & cooling3 parts
Suspension & steering1 part
Transmission & driveline3 parts
Electrical1 part
Body & interior12 parts

Keep a record of this service

Print the specifications and checklist with your registration, VIN, mileage and the products you used.

Prepare service record

Your printable service record

Add your details, or leave the fields blank to fill in by hand. Your checklist ticks are included, and longer notes get an extra page. Details stay on this device.

Open a blank PDF