Page 250 of 409

249 Operation
Engine compartment
Adding engine oil
Using a rag, unscrew filler cap2 from 
filler neck.
Add engine oil as required. Be careful 
not to overfill with oil.Be careful not to spill any oil when adding. 
Avoid environmental damage caused by oil 
entering the ground or water.
Screw the filler cap back on filler neck.
You will find further information about en-
gine oil in the “Technical data” section 
(
page 378) and (
page 377).
Transmission fluid level
The transmission fluid level does not need 
to be checked. If you notice transmission 
fluid loss or gear shifting malfunctions, 
have an authorized Mercedes-Benz Center 
check the transmission.
Warning!
G
The filler cap on the filler neck could be hot.
Use a rag when you unscrew the filler cap. 
Otherwise you could burn yourself.
!Only use approved engine oils and oil 
filters required for vehicles with 
Maintenance System. For a listing of 
approved engine oils and oil filters, 
refer 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 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 damage not cov-
ered by the Mercedes-Benz Limited 
Warranty.
!Excess oil must be siphoned or drained 
off. It could cause damage to the 
engine and catalytic converter not 
covered by the Mercedes-Benz Limited 
Warranty. 
     
        
        Page 378 of 409

377 Technical data
Fuels, coolants, lubricants, etc.
Fuels, coolants, lubricants, etc.
CapacitiesVehicle components and their respective 
lubricants must match. Therefore use only 
products tested and approved by 
Mercedes-Benz. Please refer to the Factory Approved 
Service Products pamphlet, or inquire at 
your Mercedes-Benz Center.
Capacity
Fuels, coolants, lubricants, etc.
Engine with oil filter
9.5 US qt (9.0 l)
Approved engine oils
Automatic transmission
9.1 US qt (8.6 l)
MB Automatic Transmission Fluid
Rear axle
1.9 US qt (1.8 l)
Hypoid gear oil SAE 75 W 85 
Power steering
approximately 1.15 US qt (1.1 l)
MB Power Steering Fluid (Pentosin CHF 11S)
Front wheel hubs
approximately 3.0 oz (85 g) each
High temperature roller bearing grease
Brake system
1.6 US qt (1.5 l)
MB Brake Fluid (DOT 4+) 
Cooling system
approximately 10.6 US qt (10.0 l)
MB 325.0 Anticorrosion/Antifreeze
Low temperature cooling system
approximately 5.3 US qt (5.0 l)
MB 325.0 Anticorrosion/Antifreeze
Fuel tank
including a reserve of
25.6 US gal (97.0 l)
3.2 US gal (12.0 l)
Premium unleaded gasoline:
Minimum Posted Octane 91
(Avg. of 96 RON/86 MON)
Air conditioning system
R-134a refrigerant and special PAG lubricant 
oil (never R-12)
Windshield washer and headlamp cleaning system
7.4 US qt (7 l)
MB Windshield Washer Concentrate
1
1Use MB Windshield Washer Concentrate “S” and water for temperatures above freezing or MB Windshield Washer Concentrate “S” and commercially available pre-
mixed windshield washer solvent/antifreeze for temperatures below freezing. Follow suggested mixing ratios (page 383). 
     
        
        Page 379 of 409

378 Technical dataFuels, coolants, lubricants, etc.Engine oils
Engine oils are specifically tested for their 
suitability in our engines and durability for 
our service intervals. Therefore, only use 
approved engine oils and oil filters 
required for vehicles with Maintenance 
System. For a listing of approved engine 
oils and oil filters, refer to the Factory 
Approved Service Products pamphlet, or 
contact an authorized Mercedes-Benz 
Center.
Engine oil additives
Do not blend oil additives with engine oil. 
They may damage the engine.
Damage or malfunctions resulting from 
blending oil additives are not covered by 
the Mercedes-Benz Limited Warranty.Air conditioning refrigerant
R-134a (HFC) refrigerant and special PAG 
lubricating oil are used in the air condition-
er system.
Never use R-12 (CFC) or mineral-based lu-
bricating oil. Otherwise damage to the 
system will occur.
!Using engine oils and oil filters of 
specification other than those express-
ly required for the Maintenance Sys-
tem, or changing of oil and oil filter at 
change intervals longer than those 
called for by the Maintenance System 
will result in engine damage not cov-
ered by the Mercedes-Benz Limited 
Warranty.
Please follow Maintenance System rec-
ommendations for scheduled oil 
changes. Failure to do so will result in 
engine damage not covered by the 
Mercedes-Benz Limited Warranty. 
     
        
        Page 397 of 409

396 IndexEngine oil 247, 378
Adding 249, 377
Additives 247, 378
Checking level 248
Consumption 247
Filler neck 248
Message in the multifunction 
display 328
Recommended engine oils and oil 
filter 378
Temperature 29
Oil temperature indicator 303
Viscosity 386
ESP
®
79, 81, 386
Resetting 311
Warning lamp 81, 298
Messages in the multifunction 
display 310
ETD 72, 386
Safety guidelines 67
Exterior lamp switch 52, 105
Exterior rear view mirrors 44F
Filler neck, Engine oil 248
First aid kit 342
Flat tire 351
Preparing the vehicle 351
TIREFIT kit 351
Floormats 223
Fluids
Automatic transmission fluid 249, 
377
Brake fluid 242, 377, 379
Capacities 377
Engine coolant 250, 377, 381
Engine oil 247, 377, 378
Power steering fluid 377
Windshield washer and headlamp 
cleaning system 252, 377
Fog lamps 108, 349
Message in the multifunction 
display 330
Front airbags 68
Front lamps see HeadlampsFuel 241
Additives 380
Capacity, Fuel tank 377
Consumption statistics 138
Filler flap 241
Filling the tank 241
Fuel reserve warning lamp 29, 303
Gauge 29
Premium unleaded gasoline 241, 
379
Requirements, Octane rating 377, 
380
Fuel cap
Messages in the multifunction 
display 301, 329
Fuel filler flap
Locking/unlocking 241
Fuel reserve
Message in the multifunction 
display 329
Fuel reserve warning lamp 29
Fuel system
Message in the multifunction 
display 329