75 Restraint systems
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care IndexWhen you sell the vehicle we strongly urge you to give 
notice to the subsequent owner that it is equipped with 
an “SRS” by alerting him to the applicable section in the 
Operator’s Manual.
• No modifications of any kind may be made to 
any components or wiring of the “SRS”. This 
includes changing or removing any component 
or part of the “SRS”, the installation of 
additional trim material, badges etc. over the 
steering wheel hub, front passenger airbag 
cover, or front door trim panels, and 
installation of additional electrical/electronic 
equipment on or near “SRS” components and 
wiring. Keep area between airbags and 
occupants free of objects (e.g. packages, 
purses, umbrellas, etc.).• An airbag system component within the 
steering wheel gets hot after the airbag has 
inflated. Do not touch.• Improper work on the system, including 
incorrect installation and removal, can lead to 
possible injury through an unintended 
activation of the “SRS”.• In addition, through improper work there is 
the risk of rendering the “SRS” inoperative. 
Work on the “SRS” must therefore only be 
performed by an authorized Mercedes-Benz 
Center.
• For your protection and the protection of 
others, when scrapping the airbag unit or 
emergency tensioning retractor, our safety 
instructions must be followed. These 
instructions are available at your authorized 
Mercedes-Benz Center.• Given the considerable deployment speed and 
the textile structure of the airbags, there is the 
possibility of abrasions or other injuries 
resulting from airbag deployment.
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210 Driving instructions
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Winter driving
Have your vehicle winterized at your authorized 
Mercedes-Benz Center before the onset of winter.
•Change the engine oil if the engine contains an oil 
which is not approved for winter operation. For 
viscosity (SAE/CCMC class) and filling quantity, 
seepage305.
•Check engine coolant anticorrosion/antifreeze 
concentration.
•Additive for the windshield washer and headlamp 
cleaning system: Add MB Concentrate “S” to a 
premixed windshield washer solvent/antifreeze 
which is formulated for below freezing 
temperatures, see page 256.
•Test battery: Battery capacity drops with decreasing 
ambient temperature. A well charged battery helps 
to ensure that the engine can be started, even at low 
ambient temperatures.
•Tires: We recommend M+S rated radial-ply tires on 
all four wheels for the winter season. Observe 
permissible maximum speed for M+S rated 
radial-ply tires and the legal speed limit.In winter operation, the maximum effectiveness of the 
antilock brake system (ABS) or of the electronic stability 
program (ESP) can only be achieved with M+S rated 
radial-ply tires and / or snow chains recommended by 
Mercedes-Benz. Snow chains maximize performance.
For driving instructions with snow chains see page 209.
Deep water
Caution!
Do not drive through f looded areas or water of unknown 
depth.
If you must drive through deep water, drive slowly to 
prevent water from entering the engine compartment or 
passenger compartment, being ingested by the air 
intake, possibly causing damage to electrical 
components or wiring, to engine or transmission that is 
not covered by the Mercedes-Benz Limited Warranty.
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