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2007 Mercedes C-Class Owner's Manual - Page 416

2007 Mercedes C-Class Manual

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Technical data Fuels, coolants, lubricants, etc. Switching fuels For best performance and driveability it is recommended to use either one or the other fuel. A refueling pattern that alternates between the two different fuels should be avoided if possible. When switching fuels, make sure: Fuel level is below half full. Fuel level is above reserve (reserve warning lamp is not lit). Amount of added fuel is more than 5 gallons (20 liters). Ignition is off during refill. Immediately after refueling engine is started and operated for at least five minutes. These precautions and recommendations are supposed to prevent any difficulties when starting and operating the engine which otherwise may be experienced before the engine has fully adapted to the different fuel. If in spite of these recommendations the engine does not perform properly, adding more gasoline (at least 3 gallons [12 liters]) to the fuel may improve the engine behavior. Cruising range E85 fuel contains less energy per gallon than gasoline. To ensure that engine performance with Ethanol fuel is similar to that when using gasoline, the engine must burn more Ethanol fuel. As a result, it is to be expected that the fuel consumption will increase when using E85 compared to gasoline operation. Cold weather performance It is possible that starting times will significantly increase at temperatures below 32°F (0°C). At low temperatures the use of a block heater is recommended (see an authorized Mercedes-Benz Center for further information). Rough idling may also be experienced at such temperatures before the engine is fully warmed up. ! E85 fuel is unsuitable for use when ambient temperatures fall below 14°F (-10°C). Hot weather performance At ambient temperatures above 95°F (35°C) start times may increase and be accompanied by a rough idle following the start. i Use of E85 may reduce your driving range. Maintenance Please inform your authorized Mercedes-Benz Center if you use or have used E85 fuel when your vehicle is delivered for maintenance or repairs. 415

Section	Page
Contents	4
Introduction	10
Product information	10
Operator’s manual	11
Where to find it	15
Symbols	16
Operating syfety	17
Problems with your vehicle	18
Reporting safety defects	19
Vehicle data recording	20
At a glance	22
Cockpit	23
Instrument cluster	25
Multifunction steering wheel	27
Center console	28
Overhead control panel	30
Door control panel	31
Getting started	32
Unlocking	33
Adjusting	35
Driving	44
Parking and locking	55
Safety and Security	58
Occupant safety	59
Panic alarm*	82
Driving safety systems	83
Anti-theft systems	90
Controls in detail	92
Locking and unlocking	93
Seats	102
Memory function*	108
Lighting	110
Instrument cluster	119
Control system	122
Manual transmission	150
Automatic transmission*	152
Good visibility	161
Climate control	165
Automatic climate control	175
Audio system	188
Power windows	222
Power tilt/sliding sunroof*	225
Driving systems	228
Loading	231
Useful features	238
Operation	260
The first 1000 miles (1500 km)	261
Driving instructions	262
At the gas station	272
Engine compartment	275
Tires and wheels	282
Winter driving	309
Maintenance	311
Vehicle care	314
Practical hints	322
What to do if …	323
Where will I find ...?	357
Unlocking/locking in an emergency	362
Opening/closing in an emergency	365
Resetting activated head restraints	366
Replacing SmartKey batteries	367
Replacing bulbs	368
Replacing wiper blades	376
Flat tire	378
Battery	384
Jump starting	387
Towing the vehicle	389
Fuses	392
Technical data	396
Parts service	397
Warranty coverage	398
Identification labels	399
Layout of poly-V-belt drive	401
Engine	402
Rims and Tires	404
Electrical system	408
Main dimensions and weights	409
Fuels, coolants, lubricants, etc.	410

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415

Technical data

Fuels, coolants, lubricants, etc.

Switching fuels

For best performance and driveability it is

recommended to use either one or the oth-

er fuel. A refueling pattern that alternates

between the two different fuels should be

avoided if possible.

When switching fuels, make sure:

Fuel level is below half full.

Fuel level is above reserve (reserve

warning lamp is not lit).

Amount of added fuel is more than

5 gallons (20 liters).

Ignition is off during refill.

Immediately after refueling engine is

started and operated for at least five

minutes.

These precautions and recommendations

are supposed to prevent any difficulties

when starting and operating the engine

which otherwise may be experienced

before the engine has fully adapted to the

different fuel.

If in spite of these recommendations the

engine does not perform properly, adding

more gasoline (at least 3 gallons

[12 liters]) to the fuel may improve the

engine behavior.

Cruising range

E85 fuel contains less energy per gallon

than gasoline. To ensure that engine per-

formance with Ethanol fuel is similar to

that when using gasoline, the engine must

burn more Ethanol fuel. As a result, it is to

be expected that the fuel consumption will

increase when using E85 compared to

gasoline operation.

Maintenance

Please inform your authorized

Mercedes-Benz Center if you use or have

used E85 fuel when your vehicle is deliv-

ered for maintenance or repairs.

Cold weather performance

It is possible that starting times will signif-

icantly increase at temperatures below

32°F (0°C). At low temperatures the use

of a block heater is recommended (see an

authorized Mercedes-Benz Center for fur-

ther information). Rough idling may also be

experienced at such temperatures before

the engine is fully warmed up.

Hot weather performance

At ambient temperatures above 95°F

(35°C) start times may increase and be

accompanied by a rough idle following the

start.

Use of E85 may reduce your driving range.

E85 fuel is unsuitable for use when ambient

temperatures fall below 14°F (-10°C).