Page 353 of 434
352 Practical hintsFlat tire2Jack support tube hole (SL 55 AMG and 
vehicles with Sport Package* only)
Insert a flat blade screwdriver in the 
opening of cover2 and pry it out.
Remove cover2, taking care not to 
damage the locking tabs.1Jack arm
2Jack support tube hole
3Crank
Insert jack arm1 fully into tube 
hole2 up to the stop.
Keeping jack in this position, turn 
crank3 clockwise until the jack base 
meets the ground. Make sure the jack 
is vertical (plumb line).
Continue to turn the crank until the tire 
is a maximum of 1.2 in (3 cm) from the 
ground.
Warning!
G
Insert the jack arm fully into the jack sup-
port tube hole up to the stop. Otherwise the 
vehicle may fall from the jack and cause per-
sonal injury or damage to the vehicle.
 
     
        
        Page 357 of 434

356 Practical hintsFlat tire
Detach the electric air pump.
Stow the electrical plug and the air 
hose behind the flap and place the air 
pump back in the trunk.Lowering the vehicle
Lower vehicle by turning crank coun-
terclockwise until the full weight of the 
vehicle is resting on the ground. 
Pull the jack out of the jack support 
tube.
1 - 5 Wheel bolts
Tighten the five wheel bolts evenly, fol-
lowing the diagonal sequence illustrat-
ed (1 to 5), until all bolts are tight. 
Observe a tightening torque of 96 lb-ft 
(130 Nm).
Before storing the jack in the trunk, 
crank back to storage position and fold 
in the arm.
iThe flat tire may be transported in the 
trunk when the retractable hardtop is 
raised. Use the protective sheet provid-
ed with the spare wheel. Do not acti-
vate the tire inflation pressure monitor 
until the deflated tire has been re-
moved from the vehicle.
Warning!
G
Have the tightening torque checked after 
changing a wheel. The wheels could come 
loose if they are not tightened to a torque of 
96 lb-ft (130 Nm).Warning
G
When turning the wheel wrench to tighten 
the wheel bolts, make sure you position 
hands on the wrench in such a way that you 
avoid injury to yourself, such as scraping 
your hands against the wheel. Make sure 
turning the wheel wrench will not scratch or 
damage the wheel rim.
 
     
        
        Page 376 of 434
375 Technical data
Layout of poly-V-belt drive
Layout of poly-V-belt drive
SL 500
1Automatic belt tensioner
2ABC tandem pump (pump for 
power-steering assistance and ABC 
chassis)
3Air conditioning compressor
4Crankshaft 
5Coolant pump
6Generator (alternator)
7Idler pulley
SL 55 AMGThe SL 55 AMG has two poly-V-belts (belt 
one shown in purple/belt two shown in 
black).1Idler pulley
2Automatic belt tensioner
3ABC tandem pump (pump for 
power-steering assistance and ABC 
chassis)
4Air conditioning compressor
5Crankshaft 
6Coolant pump
7Generator (alternator)
8Idler pulley
9Automatic belt tensioner
aSupercharger
SL 600
1Automatic belt tensioner
2ABC tandem pump (pump for 
power-steering assistance and ABC 
chassis)
3Air conditioning compressor
4Crankshaft 
5Coolant pump
6Generator (alternator)
7Idler pulley
8Idler pulley
9Idler pulley