Transmission fluid level, See “adding en- gine oil – Mercedes-Benz 2006 C-Class User Manual
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Operation
Engine compartment
Adding engine oil
1 Filler cap
̈
Unscrew filler cap
1 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 filler cap
1 back on filler neck.
For more information on engine oil, see the 
“Technical data” section (
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.
!
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, 
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 (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 damage 
not covered 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.