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Flat tire
Bleeding the fuel system (Diesel engine only)
Batteries
Jump starting
Towing the vehicle
Fuses
373
Practical hints What to do if …
Lamps in instrument cluster
Problem - The yellow ABS indicator lamp
comes on while driving.
374
General information: If any of the following lamps in the instru- ment cluster fails to come on during the
bulb self-check when switching on the igni- tion, have the respective bulb checked and replaced if necessary.
Possible cause/consequence The ABS has detected a malfunction and has switched off. The BAS and the ESP® are also switched off (see messages in the multifunc- tion display). The electrohydraulic brake system is still functioning normally but without the ABS available. If the ABS control unit is malfunctioning, oth- er systems such as the Parktronic system*, Distronic*, or the automatic transmission may also be malfunctioning. The charging voltage has fallen below 10 volts. The ABS has switched off. The battery may not be sufficiently charged.
Suggested solution 왘 Continue driving with added caution. Wheels may lock during hard braking, reducing steering capability.
왘 Read and observe messages in the multifunction display (컄 page 386).
왘 Have the system checked at an autho- rized Mercedes-Benz Center as soon as possible.
Failure to follow these instructions in- creases the risk of an accident.
왘 Switch off electrical consumers that
are currently not needed, e.g. seat heating.
왘 If necessary, have the generator and
battery checked.
When the voltage is above this value again, the ABS is operational again.
Problem v The yellow ABS/ESP® warning
lamp comes on while driving.
Possible cause/consequence The ESP® is deactivated. Risk of accident! Adapt your speed and driving to the prevail- ing road, weather, and traffic conditions.
The yellow ABS/ESP® warning lamp flashes while driving.
The ABS, ESP® or traction control has come into operation because of detected traction loss in at least one tire. Distronic* is deactivated.
Practical hints What to do if …
Suggested solution 왘 Switch the ESP® back on
(컄 page 97).
If the ESP® cannot be switched back on, have the system checked at an autho- rized Mercedes-Benz Center as soon as possible. 왘 When driving off, apply as little
throttle as possible.
왘 While driving, ease up on the acceler-
ator.
왘 Adapt your speed and driving to the
prevailing road and weather condi- tions.
왘 Do not deactivate the ESP®.
Exceptions: (컄 page 97).
Failure to follow these instructions in- creases the risk of an accident.
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Practical hints What to do if …
Problem
; (USA only) 3 (Canada only)
The red brake warning lamp comes on while driving and you hear a warning sound.
The red brake warning lamp comes on while driving.
Possible cause/conse- quence You are driving with the park- ing brake set.
Suggested solution
왘 Release the parking brake. 왘 Observe the additional message in
the multifunction display.
앫 There is a malfunction in
왘 Risk of accident! Do not drive any fur-
the electrohydraulic brake system.
앫 There is insufficient brake
fluid in the reservoir.
ther. Consult a Mercedes-Benz Service Center. Under no circum- stances should you top up the brake fluid. This will not solve the problem.
Warning!
Driving with the brake warning lamp illumi- nated can result in an accident. Have your brake system checked immediately if the brake warning lamp stays on. Do not add brake fluid before checking the brake system.
Overfilling the brake fluid reservoir can re- sult in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be seriously burned.
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.
376
Problem ú ±
(USA only) (Canada only) The yellow engine mal- function indicator lamp comes on while driving.
Possible cause/consequence There is a malfunction in: 앫 The fuel management system 앫 The ignition system (Gasoline engine) 앫 The emission control system 앫 Systems which affect emissions Such malfunctions may result in excessive emissions values and may switch the engine to its limp-home (emergency operation) mode. A loss of pressure has been detected in the fuel system. The fuel cap may not be closed properly or the fuel system may be leaky.
Practical hints What to do if …
Suggested solution 왘 Have the vehicle checked as soon as possi- ble by an authorized Mercedes-Benz Center. An on-board diagnostic connector is used by the service station to link the vehicle to the shop diagnostics system. It allows the accurate identification of system malfunc- tions through the readout of diagnostic trou- ble codes. It is located in the front left area of the footwell next to the parking brake.
왘 Check the fuel cap. If it is not closed properly: 왘 Close the fuel cap. If it is closed properly: 왘 Have the fuel system checked by an autho-
rized Mercedes-Benz Center.
377
Practical hints What to do if …
Problem ú ±
(USA only) (Canada only) The yellow engine malfunction indicator lamp comes on while driving.
Possible cause/consequence Your fuel tank is empty.
Diesel engine: The fuel tank is empty. The en- gine is running in emergency operation mode.
Diesel engine: The diesel engine electronics are malfunctioning. Full engine performance is not available.
Suggested solution 왘 After refuelling start, turn off and re-
start the engine three or four times in succession.
The limp-home mode is canceled. You do not need to have your vehicle checked.
왘 Bleed the fuel system (컄 page 449). The limp-home mode is canceled. You do not need to have your vehicle checked. 왘 Have the fuel system checked by an au-
thorized Mercedes-Benz Center.
378
Practical hints What to do if …
Possible cause/consequence There is insufficient coolant in the reservoir.
Suggested solution 왘 Immediately add coolant to prevent
Problem D The red coolant warning lamp comes on when the engine is running.
If this warning lamp comes on frequently, there is a leak in the cooling system. If the coolant level is correct, the electric ra- diator fan may be broken.
The red coolant warning lamp comes on while driving and you hear a warning sound.
The coolant temperature has exceeded 257°F (125°C).
Warning!
catch fire. You could be seriously burned.
Driving when your engine is badly overheat- ed can cause some fluids which may have leaked into the engine compartment to
Steam from an overheated engine can cause serious burns and can occur just by opening the engine hood. Stay away from the engine if you see or hear steam coming from it.
engine from overheating (컄 page 325).
왘 Have the cooling system checked. 왘 If the coolant temperature is below
257°F (125°C), you can continue driving to the nearest authorized Mercedes-Benz Center.
왘 Avoid high engine loads (e.g. driving
uphill) and stop-and-go driving.
왘 Stop as soon as possible in a safe lo- cation and allow the engine and cool- ant to cool down.
Turn off the engine, get out of the vehicle and do not stand near the vehicle until the engine has cooled down.
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Practical hints What to do if …
Problem l Only vehicles with Distronic*: The red distance warning lamp comes on while driving. Only vehicles with Distronic*: The red distance warning lamp comes on while driving and you hear a warning chime sound.
W The yellow fuel tank reserve
warning lamp comes on while driving.
< The red seat belt telltale comes on after starting the engine with all doors closed. The red seat belt telltale flashes and you additionally hear an in- termittent warning signal with increasing intensity for a maxi- mum of 60 seconds when the vehicle’s speed exceeds 15 mph (25 km/h).
Possible cause/consequence You are too close to the vehicle in front of you to maintain selected speed.
Suggested solution 왘 Apply the brakes immediately to in-
crease the following distance.
앫 You are gaining too rapidly on the vehicle
왘 Apply the brakes immediately.
ahead of you.
앫 The distance warning system has recog- nized a stationary obstacle on your prob- able line of travel.
왘 Carefully observe the traffic situation. You may need to brake or maneuver to avoid hitting an obstacle.
The fuel level has gone below the reserve mark.
왘 Refuel at the next gas station
(컄 page 315).
The seat belt telltale reminds you and your passengers to fasten your seat belts before driving off. You and/or your front passenger have for- gotten to fasten your seat belts. There are items placed on the front passen- ger seat and therefore the system senses the front passenger seat as being occupied.
왘 Fasten your seat belts.
왘 Fasten your seat belts.
왘 Remove the items from the front pas-
senger seat and put them in a safe place.
380
Problem H Combination low tire pres-
sure/TPMS malfunction telltale for the TPMS* illuminates con- tinuously.
Possible cause/consequence The TPMS* detects a loss of pressure in at least one tire.
H Combination low tire pres-
sure/TPMS malfunction telltale for the TPMS* flashes for 60 seconds and then stays illu- minated.
There is a malfunction in the TPMS*.
Practical hints What to do if …
Suggested solution 왘 Carefully bring the vehicle to a halt, avoiding abrupt steering and braking maneuvers. Observe the traffic situation around you.
왘 Read and observe messages in the mul-
tifunction display.
If the tire inflation pressure in the respec- tive tire(s) has (have) been corrected, the combination low tire pressure/TPMS mal- function telltale goes out after few minutes driving. 왘 Read and observe messages in the mul-
tifunction display.
왘 Have the TPMS* checked by an
authorized Mercedes-Benz Center.
After the malfunction has been remedied the combination low tire pressure/TPMS malfunction telltale goes out after few minutes driving.
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TPMS malfunctions may occur for a variety of reasons, including the installation of in- compatible replacement or alternate tires or wheels on the vehicle that prevent the TPMS from functioning properly. Always check the TPMS malfunction telltale after replacing one or more tires or wheels on your vehicle to ensure that the replacement or alternate tires and wheels allow the TPMS to continue to function properly.
Practical hints What to do if …
Warning!
Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recom- mended by the vehicle manufacturer on the vehicle placard or the tire inflation pressure label. (If your vehicle has tires of a different size than the size indicated on the vehicle placard or the tire inflation pressure label, you should determine the proper tire infla- tion pressure for those tires). As an added safety feature, your vehicle has been equipped with a tire pressure monitor- ing system (TPMS) that illuminates a low tire pressure telltale when one or more of your tires is significantly under-inflated. Accord- ingly, when the low tire pressure telltale illu- minates, you should stop and check your tires as soon as possible, and inflate them to the proper pressure. Driving on a significant- ly under-inflated tire causes the tire to over- heat and can lead to tire failure.
Under-inflation also reduces fuel efficiency and tire tread life, and may affect the vehi- cle’s handling and stopping ability. Please note that the TPMS is not a substitute for proper tire maintenance, and it is the driv- er’s responsibility to maintain correct tire pressure, even if under-inflation has not reached the level to trigger illumination of the TPMS low tire pressure telltale.
Your vehicle has also been equipped with a TPMS malfunction indicator to indicate when the system is not operating properly. The TPMS malfunction indicator is com- bined with the low tire pressure telltale. When the system detects a malfunction, the telltale will flash for approximately one minute and then remain continuously illuminated. This sequence will continue upon subsequent vehicle start-ups as long as the malfunction exists. When the mal- function indicator is illuminated, the system may not be able to detect or signal low tire pressure as intended.
382
Problem 1 The red SRS indicator lamp
comes on while driving.
Possible cause/consequence There is a malfunction in the restraint sys- tems. The air bags or emergency tensioning devices (ETDs) could deploy unexpectedly or fail to activate in an accident.
Suggested solution 왘 Drive with added caution to the near-
est authorized Mercedes-Benz Cen- ter.
Practical hints What to do if …
Warning!
In the event a malfunction of the SRS is indi- cated as outlined above, the SRS may not be operational. For your safety, we strongly recommend that you visit an authorized Mercedes-Benz Center immediately to have the system checked; otherwise the SRS may not be activated when needed in an acci- dent, which could result in serious or fatal injury, or it might deploy unexpectedly and unnecessarily which could also result in an accident and/or injury to you or to others.
383
Possible cause/consequence The system is malfunctioning.
Suggested solution 왘 Have the system checked as soon as
possible by an authorized Mercedes-Benz Center.
왘 Read and observe messages in the multifunction display and follow cor- rective steps (컄 page 393).
Practical hints What to do if …
Lamp in center console
Problem 75
The indicator lamp illuminates and remains illuminated with the weight of a typical adult or someone larger than a small individual on the front passenger seat.Warning!
If the 75 indicator lamp illuminates and remains illuminated with the weight of a typical adult or someone larger than a small individual on the front passen- ger seat, do not have any passenger use the front passenger seat until the system has been repaired.
384
Possible cause/consequence The system is malfunctioning.
Problem 75
The indicator lamp does not illuminate and/or does not remain illuminated with the weight of a typical 12-month-old child in a standard child restraint or less on the front passenger seat.Practical hints What to do if …
Suggested solution 왘 Make sure that there is nothing between seat cush- ion and child seat and check installation of the child seat.
왘 Make sure that no objects applying supplemental
weight onto the seat are present.
왘 Make sure that no objects which apply forces to the seat are present (e.g. objects such as books, brief- cases etc. lodged behind or around the seat, head restraints pushing against roof etc.). The system may recognize such forces as supplemental weight. 왘 If the light remains out, have the system checked as soon as possible by an authorized Mercedes-Benz Center. Do not transport a child on the front passen- ger seat until the system has been repaired.
왘 Read and observe messages in the multifunction display and follow corrective steps (컄 page 393).
Warning!
If the 75 indicator lamp does not illuminate or remains out with the
weight of a typical 12-month-old child in a standard child restraint or less on the front passenger seat,
do not transport a child on the front passen- ger seat until the system has been repaired.
385
Practical hints What to do if …
Vehicle status messages in the multi- function display
Warning and malfunction messages ap- pear in the multifunction display located in the instrument cluster. Certain warning and malfunction messag- es are accompanied by an audible signal. Address these messages accordingly and follow the additional instructions given in this Operator’s Manual. Selecting the vehicle status message memory menu in the control system (컄 page 153) displays both cleared and uncleared messages. High-priority messages appear in the mul- tifunction display in red color.
Certain messages of high priority cannot be cleared from the multifunction display using the reset button (컄 page 150) or button j, k, ÿ or è on the multifunction steering wheel. Other messages of high priority and mes- sages of less immediate priority can be cleared from the multifunction display us- ing the reset button (컄 page 150) or button j, k, ÿ or è on the multifunction steering wheel. They are then stored in the vehicle status message memory (컄 page 162). Remember that clearing a message will only make the mes- sage disappear. Clearing a message will not correct the condition that caused the message to appear.
Warning!
All categories of messages contain impor- tant information which should be taken note of and, where a malfunction is indicated, ad- dressed as soon as possible at an autho- rized Mercedes-Benz Center.
Failure to repair condition noted may cause damage not covered by the Mercedes-Benz Limited Warranty, or result in property dam- age or personal injury.
Warning!
No messages will be displayed if either the instrument cluster or the multifunction dis- play is inoperative.
Contact the nearest authorized Mercedes-Benz Center.
386
i Switching on the ignition causes all in- strument cluster lamps (except low beam headlamp indicator lamp, high beam headlamp indicator lamp, and turn signal indicator lamps unless acti- vated) as well as the multifunction dis- play to come on. Make sure the lamps and multifunction display are in work- ing order before starting your journey.
On the pages that follow, you will find a compilation of the most important warning and malfunction messages that may ap- pear in the multifunction display. For your convenience the messages are di- vided into two sections: 앫 Text messages (컄 page 388) 앫 Symbol messages (컄 page 398)
Practical hints What to do if …
387
Practical hints What to do if …
Text messages
Display ABS
Display message Malfunction Visit workshop
Display malfunction Visit workshop
388
Possible cause/consequence The ABS has detected a malfunction and has switched off. The ESP® and the BAS are also de- activated. The electrohydraulic brake system is still functioning normally but without the ABS available. The ABS or the ABS display is malfunctioning.
Possible solution 왘 Continue driving with added caution.
Wheels will lock during hard braking, reduc- ing steering capability.
왘 Have the system checked at an authorized Mercedes-Benz Center as soon as possible. Failure to follow these instructions increases the risk of an accident. 왘 Continue driving with added caution.
Wheels will lock during hard braking, reduc- ing steering capability.
왘 Visit an authorized Mercedes-Benz Center
as soon as possible.
Failure to follow these instructions increases the risk of an accident.
Display Low Battery
Display message Conven. functions temporarily unavailable
Please note:
Cruise control
Conven. functions available again Drive to workshop
Possible cause/consequence The battery has insufficient voltage and can no longer supply conve- nience functions such as the rear window defroster. On-board voltage is sufficient; the consumers will switch on again. Cruise control or Distronic* is malfunctioning.
Distronic
External interference Reactivate Drive to workshop
The Distronic* is switched off and is temporarily unavailable. The Distronic* is malfunctioning or the display is malfunctioning.
Practical hints What to do if …
Possible solution As soon as the on-board voltage is sufficient, the consumers will switch on again.
왘 Have the cruise control or Distronic*
checked by an authorized Mercedes-Benz Center.
왘 Try activating the Distronic* again later.
왘 Visit an authorized Mercedes-Benz Center
as soon as possible.
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Practical hints What to do if …
Display message
Display Distronic Currently unavailable See Operator’s Manual
Possible cause/consequence Distronic* is switched off if: 앫 the Distronic* cover in the area
of the radiator grille is dirty
앫 the functionality is impaired by
heavy rain or thick fog
Possible solution 왘 If necessary, clean the Distronic* cover in the area of
the radiator grille. 왘 Restart the vehicle. or Distronic* becomes operational again without the engine being restarted when: 앫 dirt on the grille falls off while driving (e.g. slush or
snow)
앫 the system recognizes full sensor availability (due to
lessening rain or the road surface drying)
앫 the message in the multifunction display disappears 앫 the speed last stored flashes in the multifunction dis-
play for 5 seconds.
You can operate Distronic* as usual again.
Warning!
Distronic cannot take weather conditions into account. Switch off Distronic* or do not turn it on if the sensor is dirty or visibility is
diminished as a result of snow, rain or fog. The distance control may be impaired even before the system is able to detect a dirty sensor. The message
Distronic Currently unavailable See Operator’s Manual will be displayed in the multifunction display and Distronic* will be turned off.
390
Display ESP
Display message Malfunction Visit workshop
unavailable See Operator’s Manual
Possible cause/consequence The ESP® has detected a malfunc- tion and switched off. The ABS may not be operational. The electrohydraulic brake system is still functioning normally but without the ESP® available. The ESP® is deactivated because the power supply was interrupted. The electrohydraulic brake system is still functioning normally but without the ESP® available.
Practical hints What to do if …
Possible solution 왘 Continue driving with added caution. 왘 Have the system checked at an authorized Mercedes-Benz Center as soon as possible. Failure to follow these instructions increases the risk of an accident.
왘 Synchronize the ESP®. With the vehicle sta- tionary, turn the steering wheel completely to the left and then to the right to synchro- nize the ESP®. If the ESP® message does not go out: 왘 Continue driving with added caution. 왘 Have the system checked at an authorized Mercedes-Benz Center as soon as possible. Failure to follow these instructions increases the risk of an accident.
When synchronizing the ESP®, make sure you can turn the steering wheel in
both directions as far as it will go with- out the wheels hitting any objects, e.g. a road curb.
391
Practical hints What to do if …
Display ESP
Display message Display malfunction Visit workshop
Possible cause/consequence The ESP® or the ESP® display is malfunctioning.
Gear selector lever in Park
Shift to Neutral or Park
You have attempted to turn off the engine with the KEYLESS-GO* start/stop button with the gear se- lector lever not in P. You have opened the driver’s door with the gear selector lever not in P. You have attempted to start the en- gine with the KEYLESS-GO* start/stop button while the gear se- lector lever was in position R or D.
P/N
392
Possible solution 왘 Continue driving with added caution. 왘 Have the system checked at an authorized Mercedes-Benz Center as soon as possible. Failure to follow these instructions increases the risk of an accident. 왘 Place the gear selector lever in position P.
왘 Place the gear selector lever in position P
or N. Make sure the brake pedal is de- pressed.
Display messages
Front passenger airbag activated See Operator’s Manual
Possible cause/conse- quence Front passenger front air bag is activated while driving even though a child, small individual, or object below the system’s weight threshold is on the front passenger seat, or the front passenger seat is empty. Ob- jects on the seat or forces act- ing on the seat may make the system sense supplemental weight.
Practical hints What to do if …
Possible solution
Stop the vehicle in a safe location as soon as possible and check the front passenger seat for the following: 왘 Switch off the ignition (컄 page 36). 왘 Open the front passenger door. 왘 Remove child and child restraint from front passenger seat and
properly secure the child in rear seat employing the child restraint if necessary.
왘 Remove any other items from on and around the front passenger seat and make sure the storage pocket on the back of the front pas- senger seat is empty.
왘 Make sure that no objects which apply forces to the seat are
present (e.g. objects such as books, briefcases etc. lodged behind or around the seat, head restraints pushing against roof etc.). The system may recognize such forces as supplemental weight and sense that an occupant on the front passenger seat is of a greater weight than actually present.
왘 Keep the seat unoccupied, close the front passenger door and turn
on the ignition (컄 page 36). (Continued on next page)
393
Practical hints What to do if …
Display messages
Possible cause/con- sequence
Possible solution
Front passenger airbag activated See Operator’s Manual
Monitor the 75 indicator lamp on the center console (컄 page 27) and the multifunction display in the instrument cluster (컄 page 26) for the following: With the seat unoccupied and the ignition turned on, 앫 the 75 indicator lamp on the center console should illuminate and re- main illuminated, indicating that the OCS (컄 page 81) has deactivated the front passenger front air bag.
앫 the message Front passenger airbag activated See Operator’s Manual or the message Front passenger airbag deactivated See Operator’s Manual should not appear in the multifunction display at any time the seat is unoccu- pied. Wait at last 60 seconds for the system to complete the necessary check cycles and to make sure neither message appears in the multifunction display. If above conditions are met, you can occupy the front passenger seat again. De- pending on the front passenger classification sensed by the OCS (컄 page 81), the 75 indicator lamp will remain illuminated or go out. If above conditions are not met, the system is not working properly. Have the sys- tem checked as soon as possible by an authorized Mercedes-Benz Center.
Warning!
If the 75 indicator lamp remains
out even after performing the above correc- tive steps, do not have any children 12 years old and under and other small individuals
use the front passenger seat until the sys- tem has been repaired.
394
Display messages
Front passenger airbag deactivated See Operator’s Manual
Possible cause/conse- quence Front passenger front air bag is deactivated while driving even though an adult or someone larger than a small individual is occupying the front passenger seat. Forces acting on the seat may make the system sense a decrease in weight.
Practical hints What to do if …
Possible solution
Stop the vehicle in a safe location as soon as possible and check the front passenger seat for the following: 왘 Switch off the ignition (컄 page 36). 왘 Have the front passenger vacate the seat and exit the vehicle. 왘 Adjust the seat in a height position (컄 page 41). 왘 Make sure that no objects which apply forces to the seat are
present (e.g. objects such as books, briefcases etc. lodged under- neath, behind or around the seat). Such forces may cause the sys- tem to sense that an occupant of a lesser weight than actually present is on the front passenger seat.
왘 Keep the seat unoccupied, close the front passenger door and turn
on the ignition (컄 page 36). (Continued on next page)
395
Practical hints What to do if …
Display messages
Possible cause/con- sequence
Possible solution
Front passenger airbag deactivated See Operator’s Manual
Monitor the 75 indicator lamp on the center console (컄 page 27) and the multifunction display in the instrument cluster (컄 page 26) for the following: With the seat unoccupied and the ignition turned on, 앫 the 75 indicator lamp on the center console should illuminate and re- main illuminated, indicating that the OCS (컄 page 81) has deactivated the front passenger front air bag.
앫 the message Front passenger airbag activated See Operator’s Manual or the message Front passenger airbag deactivated See Operator’s Manual should not appear in the multifunction display at any time the seat is unoccu- pied. Wait at last 60 seconds for the system to complete the necessary check cycles and to make sure neither message appears in the multifunction display.
If above conditions are met, you can occupy the front passenger seat again. De- pending on the front passenger classification sensed by the OCS (컄 page 81), the 75 indicator lamp will remain illuminated or go out. If above conditions are not met, the system is not working properly. Have the sys- tem checked as soon as possible by an authorized Mercedes-Benz Center.
Warning!
If the 75 indicator lamp remains
illuminated with an adult occupant on the front passenger seat even after performing the above corrective steps, do not have any
passenger use the front passenger seat until the system has been repaired.
396
Practical hints What to do if …
Possible cause/consequence The TPMS* is malfunctioning.
Possible solution 왘 Have the TPMS* checked by an authorized
Mercedes-Benz Center.
There are wheels without wheel sensors mounted (e.g. winter tires).
왘 Have the TPMS* checked by an authorized
Mercedes-Benz Center.
Display message Tire pres. monitor inoperative Tire pres. monitor inoperative No wheel sensors
Tire pres. monitor Wheel sensor missing
One or more sensors malfunction (e.g. bat- tery in one or more wheel sensor is empty). One or more wheels without wheel sensors mounted (e.g. spare tire).
Tire pres. monitor currently unavailable
The TPMS* is unable to monitor the tire pressure due to 앫 a nearby radio interference source. 앫 excessive wheel sensor temperatures.
왘 Have the wheel sensors installed by an authorized
Mercedes-Benz Center.
왘 Have the TPMS* checked by an authorized
Mercedes-Benz Center.
왘 Have the wheel sensors installed by an authorized
Mercedes-Benz Center. The tire pressure for the respective tire is shown in the multifunction display.
왘 As soon as the causes for the malfunction are no longer present, the TPMS* automatically becomes active again after a few minutes driving.
397
Practical hints What to do if …
Symbol messages
Display symbol
Display messages Low voltage Switch off consumers Visit workshop
398
Possible cause/consequence The battery has insufficient voltage.
Possible solution 왘 Turn off unnecessary electrical con-
sumers.
The battery was charged with a battery charger or jump started. The battery is no longer charging. Possible causes: 앫 alternator malfunctioning 앫 broken poly-V-belt Do not forget that the brake system re- quires electrical energy and may be oper- ating with restricted capability. Considerably greater brake pedal force is required and the stopping distance is in- creased.
왘 Have the battery checked at a service
station.
왘 Stop immediately in a safe location or
as soon as it is safe to do so and check the poly-V-belt.
If it is broken: 왘 Do not continue to drive. Otherwise the engine will overheat due to an in- operative water pump which may re- sult in damage to the engine. Notify an authorized Mercedes-Benz Center.
If it is intact: 왘 Drive immediately to the nearest au- thorized Mercedes-Benz Center. Ad- just driving to be consistent with reduced braking responsiveness.
Practical hints What to do if …
Display symbol
Display messages Battery/Alternator Stop vehicle
Low voltage Start engine Malfunction Electrical consumers switched off
Backrest, right rear not locked Backrest, left rear not locked
Possible cause/consequence The battery is malfunctioning. The electrohydraulic brake system re- quires electrical energy and therefore has only limited operation. Considerably greater brake pedal force is required and the stopping distance is increased. The battery has insufficient voltage.
Possible solution 왘 Stop the vehicle in a safe location as soon as it is safe to do so. Adjust driv- ing to be consistent with reduced braking responsiveness.
왘 Notify an authorized Mercedes-Benz
Center.
왘 Start the engine (컄 page 50).
The consumer battery has insufficient voltage and can no longer supply the con- venience functions such as seat ventila- tion*. The rear seat backrest is not engaged.
The electrical consumers will come back online as soon as on-board voltage is suf- ficient.
왘 Adjust the rear seat backrest until it is
fully engaged in position.
The rear seat backrest is not engaged.
왘 Adjust the rear seat backrest until it is
fully engaged in position.
399
Practical hints What to do if …
Display symbol
Display messages Brake wear Visit workshop
Possible cause/consequence The brake pads have reached their wear limit.
Reduced braking power Depress brake pedal fully
The electrohydraulic brake system is in emergency operation mode. Consider- ably greater brake pedal force is required and the stopping distance is increased. The maximum speed is limited to 55 mph (90 km/h).
(USA only) (Canada only)
Reduced braking power Start engine
The battery has insufficient voltage and cannot supply sufficient power to the electrohydraulic brake system.
Brake pad thickness must be visually inspected by a qualified technician at
the intervals specified in the Maintenance Booklet.
400
Possible solution 왘 Brake pad thickness must be visually inspected at the intervals specified in the Maintenance Booklet.
왘 Have the brake pads replaced as soon
as possible.
왘 Do not drive any further. 왘 Stop the vehicle as soon as it is safe
to do so and notify an authorized Mercedes-Benz Center.
왘 Prevent the vehicle from rolling away
by blocking the wheels with wheel chocks or other sizable objects.
왘 Call for Roadside Assistance. 왘 Start the engine (컄 page 50).
The message disappears when suffi- cient voltage is available.
Display symbol (USA only) (Canada only)
Display messages Reduced braking power Visit workshop
Possible cause/consequence The electrohydraulic brake system is in emergency operation mode. Consider- able brake pedal force is required and the stopping distance is increased.
Service brake Visit workshop
Brake overheated Drive on, but with even greater care
There are malfunctions, but the electro- hydraulic brake system is operating nor- mally. The brake system is overheated due to an excessive load on the brakes.
Practical hints What to do if …
Possible solution 왘 Continue driving with added caution. 왘 Adjust driving to be consistent with
reduced braking responsiveness.
왘 Visit an authorized Mercedes-Benz
Center as soon as possible.
왘 Visit an authorized Mercedes-Benz
Center as soon as possible.
왘 Relieve the load on the brake system. 왘 Drive more smoothly and think ahead
to avoid unnecessary braking.
왘 When driving down slopes, shift into a lower gear to use the engine’s braking power (컄 page 190).
왘 Cautiously continue driving so that
the air stream will cool down the brakes.
Release parking brake
You are driving with the parking brake set.
왘 Release the parking brake
(컄 page 53).
401
Practical hints What to do if …
Display symbol (USA only) (Canada only)
Display messages Brake fluid Visit workshop
Possible cause/consequence There is insufficient brake fluid in the reservoir.
Warning!
Driving with the message Brake fluid Visit workshop displayed can result in an accident. Have your brake system checked immediately.
If there is a malfunction in the electrohy- draulic brake system, we recommend that the vehicle be transported with all wheels off the ground using flatbed or appropriate wheel lift/dolly equipment.
A tow bar must be used if circumstances do not permit the use of the recommended towing methods and the vehicle requires towing with all four wheels on the ground.
Towing the vehicle with all four wheels on the ground is only permissible for distances up to 30 miles (50 km) and at a speed not to exceed 30 mph (50 km/h). For more infor- mation, refer to “Towing the vehicle” (컄 page 457). If the electrohydraulic brake system enters its emergency operation mode, the driver must apply significantly greater brake pedal pressure and depress the pedal much fur- ther than normal to obtain braking effect. If necessary, apply full pressure to the brake pedal. Brakes may only be applied to the front wheels. Stopping distance is in- creased!
402
Possible solution 왘 Risk of accident! Stop the vehicle in a safe location as soon as it is safe to do so and notify an authorized Mercedes-Benz Center. Do not add brake fluid! This will not solve the problem.
Do not add brake fluid before checking the brake system. Overfilling the brake fluid res- ervoir can result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be seriously burned.
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.
Display symbol ú ±
(USA only) (Canada only)
Display messages Engine Service
Coolant Check level
Possible cause/consequence There may be a malfunction in the: 앫 fuel injection system 앫 ignition system (Gasoline engine) 앫 exhaust system 앫 fuel system The coolant level is too low.
Warning!
Do not spill antifreeze on hot engine parts. Antifreeze contains ethylene glycol which may burn if it comes into contact with hot engine parts. You can be seriously burned.
Do not ignore the low engine coolant level warning. Extended driving with the message and symbol displayed may cause serious engine damage not covered by the Mercedes-Benz Limited Warranty.
Practical hints What to do if …
Possible solution 왘 Have the measuring system checked
by an authorized Mercedes-Benz Center.
왘 Add coolant (컄 page 325). 왘 If you have to add coolant frequently, have the cooling system checked by an authorized Mercedes-Benz Center.
Do not drive without sufficient amount of coolant in the cooling system. The engine will overheat causing major en- gine damage.
403
Possible solution 왘 Stop the vehicle in a safe location or
as soon as it is safe to do so.
왘 Only start the engine again after the message disappears. You could other- wise damage the engine.
Practical hints What to do if …
Display symbol Ï
Display messages Coolant Stop, engine off
Possible cause/consequence The coolant is too hot.
During severe operation conditions and stop-and-go city traffic, the coolant tem- perature may rise close to 248°F (120°C).
The engine should not be operated with the coolant temperature above 248°F (120°C). Doing so may cause serious damage which is not covered by the Mercedes-Benz Limited Warranty.
Warning!
Driving when your engine is badly overheat- ed can cause some fluids which may have leaked into the engine compartment to catch fire. You could be seriously burned.
Steam from an overheated engine can cause serious burns and can occur just by opening the engine hood. Stay away from the engine if you see or hear steam coming from it.
Turn off the engine, get out of the vehicle and do not stand near the vehicle until the engine has cooled down.
404
Display symbol Ï
Display messages Coolant Stop, engine off
Possible cause/consequence The poly-V-belt could be broken.
Coolant Visit workshop
The cooling fan for the coolant is malfunc- tioning.
Practical hints What to do if …
Possible solution 왘 Stop the vehicle in a safe location or as soon as it is safe to do so and immediately turn off the engine.
왘 Check the poly-V-belt. If it is broken: 왘 Do not continue to drive. Otherwise the en- gine will overheat due to an inoperative wa- ter pump which may result in damage to the engine. Notify an authorized Mercedes-Benz Center.
If it is intact: 왘 Do not continue to drive the vehicle with this message displayed. Doing so could re- sult in serious engine damage that is not covered by the Mercedes-Benz Warranty.
왘 Drive immediately to the nearest authorized
Mercedes-Benz Center.
왘 Observe the coolant temperature display. 왘 Have the fan replaced as soon as possible.
405
Practical hints What to do if …
Display symbol
Display messages Display malfunction Visit workshop
Possible cause/consequence The displays for several systems have malfunctioned. Some systems them- selves may also have malfunctioned.
±
Display malfunction Visit workshop
Doors open
Certain electronic systems are unable to relay information to the control system. The following systems may have failed: 앫 Coolant temperature display 앫 Tachometer 앫 Cruise control display You are attempting to drive with one or more doors open.
Possible solution 왘 Continue driving with added caution. When the display is malfunctioning, warnings and malfunction messages might not be displayed.
왘 Have the electronic systems checked
by an authorized Mercedes-Benz Center.
왘 Have the electronic systems checked
by an authorized Mercedes-Benz Center.
왘 Close the doors.
406
Display symbol
Display messages USA only: Add 1 Qt. engine oil at next refueling Canada only: Add 1 Liter engine oil at next refueling Check oil level at next refueling
Possible cause/consequence E 320 CDI, E 500, E 55 AMG only: The engine oil level is too low.
E 350 only: The engine oil has dropped to a critical level.
When the message Add 1 Qt. (Canada: 1 Liter) engine oil at next refueling (E 320 CDI, E 500, E 55 AMG) or Check oil level at next refueling (E 350) appears while the engine is run- ning and at operating temperature, the en- gine oil level has dropped to approximately the minimum level.
When this occurs, the warning will first come on intermittently and then stay on if the oil level drops further. Visually check for oil leaks. If no obvious oil leaks are noted, drive to the nearest ser- vice station where the engine oil should be topped to the required level with an ap- proved oil specified in the Factory Ap- proved Service Products pamphlet.
Practical hints What to do if …
Possible solution 왘 Check the engine oil level
(컄 page 321) and add engine oil as re- quired (컄 page 323).
왘 If you must add engine oil frequently, have the engine checked for possible leaks.
왘 Check the engine oil level
(컄 page 322) and add oil as required (컄 page 323).
왘 If you must add engine oil frequently, have the engine checked for possible leaks.
The engine oil level warnings should not be ignored. Extended driving with the symbol displayed could result in serious engine damage that is not covered by the Mercedes-Benz Limited Warranty.
407
Practical hints What to do if …
Display symbol
Display messages Engine oil level Stop, engine off
Possible cause/consequence E 320 CDI, E 500, E 55 AMG only: There is no oil in the engine. There is a danger of engine damage.
Engine oil level Visit workshop
E 320 CDI, E 500, E 55 AMG only: The engine oil has dropped to a critical level.
Change engine oil Visit workshop
E 320 CDI, E 500, E 55 AMG only: It may be that there is water in the engine oil.
Possible solution 왘 Carefully bring the vehicle to a halt as
soon as possible.
왘 Turn off the engine. 왘 Add engine oil (컄 page 323) and
check the engine oil level (컄 page 321).
왘 Check the engine oil level
(컄 page 322) and add oil as required (컄 page 323).
왘 If you must add engine oil frequently, have the engine checked for possible leaks.
왘 Have the engine oil and the cooling
system checked.
408
Display symbol
Display messages Engine oil level Reduce oil level
Oil sensor malfunction Visit workshop
Change engine oil Visit workshop
Practical hints What to do if …
Possible solution 왘 Have oil siphoned or drained off. Ob- serve all legal requirements with re- spect to its disposal.
왘 Have the measuring system checked
by an authorized Mercedes-Benz Center.
왘 Have the engine oil and the cooling
system checked.
Possible cause/consequence E 320 CDI, E 500, E 55 AMG only: You have added too much engine oil. There is a risk of damaging: 앫 the engine 앫 the catalytic converter E 320 CDI, E 500, E 55 AMG only: The measuring system is malfunctioning.
E 320 CDI, E 500, E 55 AMG only: It may be that there is water in the engine oil.
409
Practical hints What to do if …
Display symbol
Display messages Hood open Key Check battery Key not recognized
Possible cause/consequence You are driving with the hood open. The SmartKey with KEYLESS-GO* batter- ies are discharged. The SmartKey with KEYLESS-GO* is not recognized while the engine is running because 앫 the SmartKey with KEYLESS-GO* is
not in the vehicle
앫 there is strong radio-frequency inter-
ference
Possible solution 왘 Close the hood (컄 page 319). 왘 Change the batteries (컄 page 431).
왘 Stop the vehicle in a safe location as
soon as it is safe to do so. 왘 Search for the SmartKey.
Otherwise the vehicle cannot be cen- trally locked nor can the engine be started again after the engine is stopped.
Key not recognized
The SmartKey with KEYLESS-GO* is mo- mentarily not recognized.
왘 Change the position of the SmartKey
in the vehicle.
Key still in vehicle
Keyless Go Check system
A SmartKey with KEYLESS-GO* left in the vehicle was recognized while locking the vehicle from the outside. The KEYLESS-GO* system is malfunction- ing.
왘 Operate the vehicle with the
SmartKey in the starter switch if nec- essary.
왘 Take the SmartKey out of the vehicle.
왘 Visit an authorized Mercedes-Benz
Center as soon as possible.
410
Display symbol
Display messages Do not forget key
Remove key
Replace key
Reserve fuel
Check gas cap See Operator’s Manual
Possible cause/consequence This display appears (for a maximum of 60 seconds) if the driver’s door is opened with the engine shut off and no SmartKey in the starter switch. This message is only a reminder. You have forgotten to remove the SmartKey. There is no additional code available for SmartKey or SmartKey with KEYLESS-GO*. The fuel level has dropped below the re- serve mark. A loss of pressure has been detected in the fuel system. The fuel cap may not be closed properly or the fuel system may be leaky.
Practical hints What to do if …
Possible solution 왘 Insert SmartKey in the starter switch. 왘 Take the SmartKey with
KEYLESS-GO* with you when leaving the vehicle.
왘 Remove the SmartKey from the start-
er switch.
왘 Visit an authorized Mercedes-Benz
Center as soon as possible.
왘 Refuel at the next gas station
(컄 page 315).
왘 Check the fuel cap (컄 page 315). If it is not closed properly: 왘 Close the fuel cap. If it is closed properly: 왘 Have the fuel system checked by an
authorized Mercedes-Benz Center.
411
Practical hints What to do if …
Display messages Brake lamp Drive to workshop Brake lamp, left Substitute bulb on Brake lamp, right Substitute bulb on Display malfunction Visit workshop Front foglamp, left Front foglamp, right Active headlamps currently unavailable Active headlamps Backup lamp on Active headlamps malfunction Drive to workshop
Display symbol
412
Center as soon as possible.
Possible solution 왘 Visit an authorized Mercedes-Benz
Possible cause/consequence Brake lamp illumination is delayed or lamp is permanently on. The left brake lamp is malfunctioning. A substitute bulb is being used. The right brake lamp is malfunctioning. A substitute bulb is being used. The display for the lamps or the system is malfunctioning. The left front fog lamp is malfunctioning. 왘 Replace the bulb as soon as possible.
왘 Visit an authorized Mercedes-Benz
왘 Visit an authorized Mercedes-Benz
왘 Visit an authorized Mercedes-Benz
Center as soon as possible.
Center as soon as possible.
Center as soon as possible.
The right front fog lamp is malfunctioning. 왘 Replace the bulb as soon as possible.
The active headlamps are malfunctioning. 왘 Visit an authorized Mercedes-Benz
Center as soon as possible.
The active headlamps are malfunctioning. Another light is being used. The active headlamps have malfunc- tioned several times in succession.
왘 Visit an authorized Mercedes-Benz
Center as soon as possible.
왘 Visit an authorized Mercedes-Benz
Center as soon as possible.
Display symbol
Display messages Low beam, right
Possible cause/consequence The right low beam lamp is malfunction- ing.
Practical hints What to do if …
Possible solution Halogen headlamp: 왘 Replace the bulb as soon as possible. Bi-Xenon* headlamp: 왘 Visit an authorized Mercedes-Benz
Center as soon as possible.
Front Marker light, left Front Marker light, right Fr. Park. lamp, left
Fr. Park. lamp, right
Rear foglamp Substitute bulb on Backup lamp, left Backup lamp, right Switch off lamps
Center as soon as possible.
Center as soon as possible.
왘 Visit an authorized Mercedes-Benz
왘 Visit an authorized Mercedes-Benz
왘 Visit an authorized Mercedes-Benz
The front left side marker lamp is mal- functioning. The front right side marker lamp is mal- functioning. The left parking lamps are malfunction- ing. The right parking lamps are malfunction- ing. The rear fog lamp is malfunctioning. A substitute bulb is being used. The left reverse lamp is malfunctioning. 왘 Replace the bulb as soon as possible. The right reverse lamp is malfunctioning. 왘 Replace the bulb as soon as possible. Lamps have been turned on although the SmartKey in the starter switch is in posi- tion 0.
왘 Replace the bulb as soon as possible.
왘 Visit an authorized Mercedes-Benz
왘 Switch off the headlights.
Center as soon as possible.
Center as soon as possible.
413
Practical hints What to do if …
Display symbol
Display messages High beam, left High beam, right License plate lamp, left License plate lamp, right Light sensor Drive to workshop
Low beam, left
Possible cause/consequence The left high beam lamp is malfunction- ing. The right high beam lamp is malfunction- ing. The left license plate lamp is malfunction- ing. The right license plate lamp is malfunc- tioning. The lamp sensor is malfunctioning. The headlamps switch on automatically.
Possible solution 왘 Replace the bulb as soon as possible.
왘 Replace the bulb as soon as possible.
왘 Replace the bulb as soon as possible.
왘 Replace the bulb as soon as possible.
왘 In the control system, set lamp opera-
tion to manual mode (컄 page 170).
왘 Switch on headlamps using the exteri-
or lamp switch. The left low beam lamp is malfunctioning. Halogen headlamp:
왘 Replace the bulb as soon as possible. Bi-Xenon* headlamp: 왘 Visit an authorized Mercedes-Benz
Center as soon as possible.
414
Practical hints What to do if …
Display symbol
Display messages Taillamp, left Substitute bulb on Taillamp, right Substitute bulb on Turn sig., left rear Substitute bulb on Turn sig., right rear Substitute bulb on Turn sig., left front
Turn sig., right front
Turn signal, left mirror
Turn signal, right mirror
Possible cause/consequence The left tail lamp is malfunctioning. A sub- stitute bulb is being used. The right tail lamp is malfunctioning. A substitute bulb is being used. The left rear turn signal lamp is malfunc- tioning. A substitute bulb is being used. The right rear turn signal lamp is malfunc- tioning. A substitute bulb is being used. The left front turn signal lamp is malfunc- tioning. The right front turn signal lamp is mal- functioning. The left turn signal in the side mirror is malfunctioning. This message will only appear if all light emitting diodes have stopped working. The right turn signal in the side mirror is malfunctioning. This message will only appear if all light emitting diodes have stopped working.
Possible solution 왘 Visit an authorized Mercedes-Benz
Center as soon as possible.
왘 Visit an authorized Mercedes-Benz
Center as soon as possible.
왘 Replace the bulb as soon as possible.
왘 Replace the bulb as soon as possible.
왘 Replace the bulb as soon as possible.
왘 Replace the bulb as soon as possible.
왘 Have the LEDs replaced as soon as
possible.
왘 Have the LEDs replaced as soon as
possible.
415
Practical hints What to do if …
Display symbol
Display messages Please rectify tire pressure Tire pressure Caution, tire defect
Possible cause/consequence The pressure is too low in one or more tires. One or more tires are deflating.
Tire pressure Check tires
The tire pressure in one or more tires is already below the mini- mum value.
Possible solution 왘 Check and correct tire inflation pressure as
required (컄 page 339).
왘 Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.
