Page 314 of 390

311 Engine compartment
Te ch n i c a l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hintsCar care Index Hood
Wa r n i n g !
To help prevent personal injury, stay clear of 
moving parts when the hood is open and the engine 
is running. Be sure the hood is properly closed 
before driving. When closing hood, use extreme 
caution not to catch hands or fingers.The radiator fan may continue to run for 
approximately 30 seconds or even restart after the 
engine has been turned off. Stay clear from fan 
blades.If you see flames or smoke coming from the engine 
compartment, or if the coolant temperature gauge 
indicates that the engine is overheated, do not open 
the hood. Move away from vehicle and do not open 
the hood until the engine has cooled. If necessary, 
call a fire department.
The engine is equipped with a transistorized 
ignition system. Because of the high voltage it is 
dangerous to touch any components (ignition coils, 
spark plug sockets, diagnostic socket) of the 
ignition system
• with the engine running,
• while starting the engine,
• if ignition is “on” and the engine is turned 
manually.
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315 Engine compartment
Te ch n i c a l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hintsCar care Index Automatic transmission fluid level
The transmission has a permanent fill of automatic 
transmission fluid.
Regular automatic transmission fluid level checks and 
changes are not required. For this reason the dipstick is 
omitted.
If you notice fluid leaks or gear shifting malfunctions, 
have your authorized Mercedes-Benz Center check the 
transmission fluid level.Coolant level
1Coolant expansion tank
To check the coolant level, the vehicle must be parked 
on level ground and the engine stopped.
Check coolant level only when coolant is cold.
The coolant level should reach the black top part of the 
reservoir.
See page 372 for antifreeze / anticorrosion mixture.
P20.30-2133-26
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316 Engine compartment
Te ch n i c a l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hintsCar care Index
Adding coolant
If coolant has to be added, a 50/50 mixture of water and 
MB anticorrosion / antifreeze should be added.Windshield and headlamp washer system
1Windshield and headlamp washer fluid reservoir
The reservoir should be refilled with MB Windshield 
Washer Concentrate and water (or concentrate 
commercially available premixed windshield washer 
solvent / antifreeze, depending on ambient 
temperatures).
Wa r n i n g !
• In order to avoid possibly serious burns:
Use extreme caution when opening the hood if 
there are any signs of steam or coolant leaking 
from the cooling system, or if the coolant 
temperature gauge indicates that the coolant is 
overheated.• Do not remove pressure cap on coolant 
reservoir if engine temperature is above 194
°F 
(90
°C). Allow engine to cool down before 
removing cap. The coolant reservoir contains 
hot fluid and is under pressure.
• Using a rag, slowly open cap approximately 
1/2 turn to relieve excess pressure. If opened 
immediately, scalding hot fluid and steam will 
be blown out under pressure.• Do not spill antifreeze on hot engine parts. 
Antifreeze contains ethylene glycol which may 
burn if it comes into contact with hot engine 
parts.
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354 Cleaning and care of the vehicle
Te ch n i c a l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hintsCar careIndex
Cleaning and care of the vehicle
In operation, your vehicle is subjected to varying 
external influences which, if gone unchecked, can 
attack the paintwork as well as the underbody and 
cause lasting damage.
Such damage is caused not only by extreme and varying 
climatic conditions, but also by air polution, road salt, 
tar, gravel and stone chipping. Grease and oil, fuel, 
coolant, brake fluid, bird droppings, insects, tree resins 
etc. should be removed immediately to avoid paint 
damage. Frequent washing reduces and/or eli minates 
the aggressiveness and potency of the above adverse 
influences.More frequent washings are necessary to deal with 
unfavorable conditions; for example, near the ocean, in 
industrial areas (smoke, exhaust emissions), or during 
winter operation.
You should check your vehicle from time to time for 
stone chipping or other damage. Any damage should be 
repaired as soon as possible to prevent the start of 
corrosion.
In doing so, do not neglect the underside of the vehicle. 
A prerequisite for a thorough check is a washing of the 
underbody followed by a thorough inspection. Damaged 
areas need to be reundercoated.
Your vehicle has been treated at the factory with a wax-
base rustproofing in the body cavities which will last for 
the lifetime of the vehicle. Post-production treatment is 
neither necessary nor recommended by Mercedes-Benz 
because of the possibility of incompatibility between 
materials used in the production process and others 
applied later.
We have selected car-care products and compiled 
recommendations which are specially matched to our 
vehicles and which always reflect the latest technology. 
You can obtain Mercedes-Benz approved car-care 
products at your authorized Mercedes-Benz Center.
Wa r n i n g !
Many cleaning products can be hazardous. Some 
are poisonous, others are flammable. Always follow 
the instructions on the particular container. 
Always open your vehicle’s doors or windows when 
cleaning the inside.Never use fluids or solvents that are not designed 
for cleaning your vehicle.
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361 Contents - Technical data
Te ch n i c a l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index
Technical dataSpare parts service  ........................362
Warranty coverage .........................362
Identification labels .......................363
Layout of poly-V-belt drive ............364
Technical data  ................................365
Fuels, coolants, lubricants etc. - 
capacities  ...................................368
Engine oils  ......................................370Engine oil additives  ...................... 370
Air conditioner refrigerant  .......... 370
Brake fluid ...................................... 370
Premium unleaded gasoline  .........371
Fuel requirements  .........................371
Gasoline additives  ......................... 372
Coolants  .......................................... 372
Consumer information  ..................374
Uniform tire quality grading  ........374
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364 Technical data
Te ch n i c a l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index
3VIN, visible (lower edge of windshield)
4Engine number
5Emission control label
6Information label, California version
Vacuum line routing for emission control system
When ordering spare parts, please specify vehicle 
identification and engine numbers.Layout of poly-V-belt drive
1Automatic belt tensioner
2Crankshaft
3Air conditioner compressor
4Generator (alternator)
5Idler pulley
6Power steering pump
7Coolant pump, fan
4
6
3
5
P01.00-2220-26
6
5
1
2
3
7
4
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368 Fuels, coolants, lubricants etc. - capacities
Te ch n i c a l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index
Fuels, coolants, lubricants etc. - capacities
Vehicle components and their respective lubricants must match. Therefore use only brands tested and recommended 
by us. 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 8.5 US qt (8.0 l) Recommended engine oils
Automatic transmission 8.5 US qt (8.0 l) Automatic transmission fluid
Rear axle 1.2 US qt (1.1 l) Hypoid gear oil SAE 85 W 90
Power steering approx. 1.1 US qt (1.0 l) MB Power steering fluid
Front wheel hubs approx. 2.1 oz (60 g) each High temperature roller bearing grease
Brake system approx. 0.5 US qt (0.5 l) MB Brake fluid (DOT 4+) 
Cooling system approx. 6.8 US qt (6.4 l) MB Anticorrosion / antifreeze
Fuel tank
including a reserve of16.4 US gal (62.0 l)
2.1 US gal (8.0 l)Premium unleaded gasoline: Posted Octane 91
(Avg. of 96 RON / 86 MON)
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369 Fuels, coolants, lubricants etc. - capacities
Te ch n i c a l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index Air conditioner system R-134a refrigerant and special PAG lubricant 
(Never R-12)
Windshield washer and 
headlamp cleaning systemVehicles without headlamp 
cleaning system:
Capacity approx. 3.2 US qt 
(3.0 l)
Vehicles with headlamp 
cleaning system:
Capacity approx. 6.4 US qt 
(6.0 l)MB Windshield washer concentrate1
1 Use MB Windshield Washer Concentrate “S” and water for temperatures above freezing or MB Windshield Washer Concentrate “S” and 
commercially available premixed windshield washer solvent / antifreeze for temperatures below freezing. Follow suggested mixing ratios, see 
p a g e 317 .
Capacity Fuels, coolants, lubricants etc.
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