201 What you should know at the gas station
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index •Engine oil
Engine oil level check, see page 82 or 222.
Fill quantity between upper and lower dipstick 
marking level: 2.1 US qt (2.0 l).
Recommended engine oils, see page 277.
•Coolant
For normal replenishing, use water (potable water 
quality).
For further information (e.g. anticorrosion/
antifreeze), see page 225.
•Spark plugs
Approved spark plugs, see page 276.
•Tire pressure
For tire pressure, refer to tire pressure label inside 
the fuel filler flap.
•Air conditioner
R-134a refrigerant and special PAG lubricant,
see page 277.•Bulbs
High and low beams: Halogen type 9004,
low beam: Xenon, for model SL 600 (SL 500 
optional)
high beam (models with Xenon): H 1 (55 W)
fog lamps: H1 (55 W),
turn signal, standing, side marker and parking 
lamps, front: 2357 NA (28.5/8.3 W/30/2.2 cp), tail, 
parking, standing and driver’s side rear fog lamp: 
21 / 4  W,
turn signal lamps, rear: 21 W/32 cp,
side marker lamps, rear: 10W/6 cp,
stop lamps: 21 W/32 cp,
backup lamps: 21 W/32 cp,
license plate lamps: 5W/4 cp. 
276 Technical data
Te ch n ica l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index
Electrical system Weights
(see certification tag)
Main dimensions Generator (alternator) 14 V/150 A
Battery 12V/100 Ah
Starter motor 
SL 500:
SL 600:12 V / 1. 7  k W
12V/2.2 kW
Spark plugs 
SL 500:
SL 600:
Electrode gap
Tightening torqueBosch F 8 DPER
Beru 14 FGH 8 DPUR X 2
Beru 14 FGH 8 DPUR X 2
0.039 in (1.0 mm)
15 – 22 ft.lb (20 – 30 Nm)Hardtop load max. 66 lb (30 kg)
Trunk load max. 220 lb (100 kg)
Overall vehicle length 177.1 in (4499 mm)
O ve r a l l  v e h i c l e  w i d t h 71.3  in  ( 1812  m m )
Overall height 51.3 in (1303 mm)
Wheel base 99.0 in (2515 mm)
Track, front 60.4 in (1535 mm)
Track, rear 60.0 in (1523 mm)