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Tele Aid
Te ch n ica l 
data 
Instruments  
and controls  Operation 
Driving Instrument  
cluster display  Practical hints Car care Index 
Once the vehicle is unlocked, a Response Center  
specialist will attempt to establish voice contact with the 
vehicle occupants. 
If the outside liftgate handle was pulled for more than  
20 seconds before door unlock authorization was  
received by the Response Center, you must wait 
15 minutes before pulling the outside liftgate handle 
again.  Stolen vehicle tracking services 
In the event your vehicle was stolen, report the incident  
to the police who will issue a numbered incident report. 
Pass this number on to the Mercedes-Benz Response  
Center. 
The Response Center will then attempt to covertly  
contact the vehicle’s Tele Aid system. Once the vehicle 
is located, the Response Center will contact the local 
Law Enforcement and you. The vehicle’s location will  
only be provided to Law Enforcement. 
     
        
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159 
Tele Aid
Te ch n ica l 
data 
Instruments  
and controls  Operation 
Driving Instrument  
cluster display  Practical hints Car care Index 
Info Services 
 (optional, except Canada) 
Info Services categories include news, sports, stocks,  
weather and calendar reminders. Choices can be 
selected via www.mbusa.com or by calling 1-800-FOR- 
MERcedes. 
To request Info Services press the TEL button and then  
the SVC soft key on the MCS unit. Then select UPDT 
soft key. “NEW INFO SERVICE REQUEST 
TRANSMITTED” will appear in the MCS display and call  
status messages will appear in the MCS display. 
Once information is available, the message “NEW INFO  
RECEIVED READ LATER WHEN STOPPED?” will appear. 
Select “Yes”. With the vehicle stopped in a safe location 
press TEL button, SVC soft key to read messages.  Important! 
Tele Aid utilizes the cellular network for  
communication and the GPS (Global Positioning 
System) satellites for vehicle location. If either of these  
signals are unavailable, the Tele Aid system may not  
function and if this occurs, assistance must be 
summoned by other means.
Wa r n i n g ! 
The Tele Aid control unit is located under the front  
passenger seat. If there is accumulation of water or  
other liquid in this area, the Tele Aid control unit 
could suffer an electrical short circuit making the  
system inoperative. In this case the indicator lamp  
in the “SOS” button will not illuminate during or 
will remain illuminated after the system self-check.  
Have the system checked at the nearest  
Mercedes-Benz Light Truck Center as soon as 
possible. 
     
        
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160 
Catalytic converter
Te ch n ica l 
data 
Instruments  
and controls  Operation 
Driving Instrument  
cluster display  Practical hints Car care Index 
Catalytic converter 
Your Mercedes-Benz is equipped with monolithic type  
catalytic converters, an important element in 
conjunction with the oxygen sensors to achieve  
substantial control of the pollutants in the exhaust  
emissions. Keep your vehicle in proper operating 
condition by following our recommended maintenance 
instructions as outlined in your Service Booklet.  Caution! 
To prevent damage to the catalytic converters, use only  
premium unleaded gasoline in this vehicle. 
Any noticeable irregularities in engine operation should  
be repaired promptly. Otherwise, excessive unburned 
fuel may reach the catalytic converter causing it to 
overheat, which could start a fire.
Wa r n i n g ! 
As with any vehicle, do not idle, park or operate  
this vehicle in areas where combustible materials  
such as grass, hay or leaves can come into contact 
with the hot exhaust system, as these materials  
could be ignited and cause a vehicle fire. 
     
        
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161 
Emission control
Te ch n ica l 
data 
Instruments  
and controls  Operation 
Driving Instrument  
cluster display  Practical hints Car care Index 
Emission control 
Certain systems of the engine serve to keep the toxic  
components of the exhaust gases within permissible  
limits required by law. 
These systems, of course, will function properly only  
when maintained strictly according to factory 
specifications. Any adjustments on the engine should, 
therefore, be carried out only by authorized Mercedes-
Benz Light Truck Center qualified technicians. Engine  
adjustments should not be altered in any way. Moreover,  
the specified service jobs must be carried out regularly 
according to Mercedes-Benz servicing requirements. 
For details refer to the Service Booklet.
Wa r n i n g ! 
Inhalation of exhaust gas is hazardous to your  
health. All exhaust gas contains carbon monoxide,  
and inhaling it can cause unconsciousness and  
lead to death.Do not run the engine in confined areas (such as a 
garage) which are not properly ventilated. If you  
think that exhaust gas fumes are entering the  
vehicle while driving, have the cause determined 
and corrected immediately. If you must drive under  
these conditions, drive only with at least one  
window fully open. 
     
        
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162 
Steering lock
Te ch n ica l 
data 
Instruments  
and controls  Operation 
Driving Instrument  
cluster display  Practical hints Car care Index 
Steering lock 
0  The key can be withdrawn in this position only. The  
steering is locked when the key is removed from the 
steering lock. If necessary, move steering wheel  
slightly to allow the locking mechanism to engage.  
The key can only be removed with the selector lever 
in position “P”. After removing the key or with the 
key in steering lock position 0, the selector lever is 
locked in position “P”.  1 
Steering is unlocked. 
(If necessary, move steering wheel slightly to allow  
the key to be turned clockwise to position 1.) Most 
electrical consumers can be operated. For detailed  
information see respective subjects. 
2  Driving position. 
3  Starting position. 
See page 164 for starting and turning off the engine.
Wa r n i n g ! 
When leaving the vehicle always remove the key  
from the steering lock, and lock the vehicle. Do not 
leave children unattended in the vehicle, or with  
access to an unlocked vehicle. Unsupervised use of  
vehicle equipment may cause serious personal 
injury. 
     
        
        Page 630 of 4133
163 
Steering lock
Te ch n ica l 
data 
Instruments  
and controls  Operation 
Driving Instrument  
cluster display  Practical hints Car care Index 
Caution! 
To prevent accelerated battery discharge and a possible  
dead battery, always remove the key from the steering 
lock.   Do not  leave the key in steering lock position 0. 
Notes: 
A warning sounds when the driver’s door is opened  
while the key is in steering lock position 1 or 0. 
With the engine at idle speed, the charging rate of the  
alternator (output) is limited.  It is therefore recommended that you turn off  
unnecessary electrical consumers while driving in stop-
and-go traffic. This precaution helps to avoid draining of 
the battery. 
Unnecessary strain on the battery and charging system  
may be minimized by turning off the following power 
consumers, for example: Heated seats, rear window 
defroster. 
     
        
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164 
Starting and turning off the engine
Te ch n ica l 
data 
Instruments  
and controls  Operation 
Driving Instrument  
cluster display  Practical hints Car care Index 
Starting and turning off the engine 
Before starting 
Ensure that parking brake is engaged and that selector  
lever is in position “P” or “N”. Turn key in steering lock  
to position 2. The charge indicator lamp should come on. 
Starting 
Do not depress accelerator. 
Briefly turn key in steering lock clockwise to the stop  
and release. The starter will engage until the engine is 
running. 
If engine will not run, and the starting procedure stops,  
turn key completely to the left and repeat starting the  
engine. 
After several unsuccessful attempts, have the system  
checked at the nearest authorized Mercedes-Benz Light 
Truck Center. 
A starting procedure can be interrupted by turning the  
key to steering lock position 0.  Important! 
Due to the installed starter non-repeat feature, the key  
must be turned completely to the left before attempting 
to start the engine again. 
In areas where temperatures frequently drop below -4  °F  
(-20  °C) we recommend that an engine block heater be  
installed. Your authorized Mercedes-Benz Light Truck 
Center will advise you on this subject. 
Note: 
In case the engine cannot be started and the  
messages  Á and î  are shown in the odometer  
display field, the system is not operational. Contact an 
authorized Mercedes-Benz Light Truck Center or call  
1-800-FOR-MERCedes (in the USA), or 1-800-387-0100  
(in Canada). 
Turning off 
Turn the key in the steering lock to position 0 to stop the  
engine. 
The key can only be removed with the selector lever in  
position “P”. 
     
        
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165 
Automatic transmission
Te ch n ica l 
data 
Instruments  
and controls  Operation 
Driving Instrument  
cluster display  Practical hints Car care Index 
Automatic transmission 
The automatic transmission selects individual gears  
automatically, dependent upon 
•  Selector lever position 
•  Accelerator position 
•  Vehicle speed 
The gear shifting process is continuously adapted,  
dependent on the driving style, the driving situation 
and the road characteristics. 
Important! 
When parking the vehicle or before working on the  
vehicle with the engine running, firmly depress the 
parking brake pedal and shift the selector lever into “P”.