Regular checks, Check regularly and before a long trip – Mercedes-Benz 2006 C-Class User Manual
Page 296
 
295
Operation
At the gas station
̈
Replace fuel cap by turning it clockwise 
until it audibly engages.
̈
Close fuel filler flap.
Check regularly and before a long trip
1 Coolant
2 Brake fluid (fuse box cover removed)
3 Windshield washer and headlamp 
cleaning system*
Coolant
For normal replenishing, use water (pota-
ble water quality). For more information, 
see “Coolant level” (
“Fuels, coolants, lubricants, etc.” 
(
Brake fluid
Removing fuse box cover (
i
Leaving the engine running and the fuel 
cap open can cause the yellow fuel 
tank reserve warning lamp to flash and 
the
ú malfunction indicator lamp
(USA only) or the
± malfunction in-
dicator lamp (Canada only) to illumi-
nate.
For more information, see “Practical 
hints” (
i
Opening the hood, see (
!
If you find that the brake fluid in the 
brake fluid reservoir has fallen to the 
minimum mark or below, have the 
brake system checked for brake pad 
thickness and leaks immediately. 
Notify an authorized Mercedes-Benz 
Center immediately. Do not add brake 
fluid as this will not solve the problem. 
For more information, see “Practical 
hints” (