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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 274).
̈ 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 278).
For more information on engine oil, see
“Technical data” section (
୴ page 444) and
(
୴ page 446).
For information on messages in the multi-
function display concerning engine oil, see
the “Practical hints” section (
୴ page 375).
Adding engine oil
i
In vehicles without an oil dipstick, the engine
oil level is measured via the control
system (
୴ page 276).
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
(U.S. vehicles) or FSS (Canada vehicles). For a
listing of approved engine oils and oil filters, re-
fer to the Factory Approved Service Products
pamphlet 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 Main-
tenance System (U.S. vehicles) or FSS (Canada
vehicles), or changing of oil and oil filter at
change intervals longer than those called for by
the Maintenance System (U.S. vehicles) or FSS
(Canada vehicles) will result in engine or emis-
sion control system damage not covered by the
Mercedes-Benz Limited Warranty.