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Operation
Engine compartment
Checking engine oil level with the oil
dipstick (SL 550 only)
When checking the oil level
ț the vehicle must be parked on level
ground
ț the vehicle must have been stationary
for at least 5 minutes with the engine
turned off
1 Oil dipstick
2 Upper mark
3 Lower mark
̈ Open the hood (୴ page 282).
̈ Pull out oil dipstick 1.
̈ Wipe oil dipstick 1 clean.
̈ Fully insert oil dipstick 1 into the dip-
stick guide tube.
̈ Pull out oil dipstick 1 again after ap-
proximately 3 seconds to obtain accu-
rate reading.
The oil level is correct when it is be-
tween lower mark 3 (min.) and upper
mark 2 (max.) of the oil dipstick.
̈ If necessary, add engine
oil (
୴ page 286).
For more information on engine oil, see
“Technical data” section (
୴ page 457) and
(
୴ page 460).
For information on messages in the multi-
function display concerning engine oil, see
the “Practical hints” section (
୴ page 388).
Adding engine oil
i
In vehicles without an oil dipstick, the engine
oil level is measured via the control
system (
୴ page 284).
i
The filling quantity between the upper and
lower marks on the oil dipstick is approximately
2.1 US qt. (2.0 l).
!
Only use approved engine oils and oil filters
required for vehicles with Maintenance System.
For a listing of approved engine oils and oil fil-
ters, refer to the Factory Approved Service
Products pamphlet (USA only) in your vehicle
literature portfolio, or contact an authorized
Mercedes-Benz Center.
Using engine oils and oil filters of specification
other than those expressly required for the
Maintenance System, or changing of oil and oil
filter at change intervals longer than those called
for by the Maintenance System will result in
engine or emission control system damage not
covered by the Mercedes-Benz Limited
Warranty.