
Malfunction and indicator lamps
Te ch n ica l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index Electronic stability program (ESP) — warning lamp
The yellow ESP warning lamp in the 
speedometer dial comes on with the 
electronic key in steering lock position 2. 
It should go out with engine running.
See page200if the warning lamp lights up or flashes 
when the vehicle is moving.
BAS / ESP malfunction indicator lamp
The malfunction indicator lamp for the ESP 
is combined with that of the BAS.
The yellow BAS/ESP malfunction indicator 
lamp in the instrument cluster comes on with the 
electronic key in steering lock position 2. It should go 
out with the engine running.
If the BAS/ESP malfunction indicator lamp remains 
illuminated with the engine running, see page201
  .ABS malfunction indicator lamp
The ABS malfunction indicator lamp in the 
instrument cluster comes on with the 
electronic key in steering lock position 2 and 
should go out with the engine running.
When the ABS malfunction indicator lamp symbol and 
warning in the instrument cluster remains illuminated 
while the engine is running, it indicates that the ABS 
has detected a malfunction and has switched off. In this 
case, the brake system functions in the usual manner, 
but without antilock assistance.
With the ABS malfunctioning, the BAS and ESP are also 
switched off. Both malfunction indicator lamps come on 
with the engine running.
If the charging voltage falls below 10 volts, the 
malfunction indicator lamp comes on and the ABS is 
switched off. When the voltage is above this value again, 
the malfunction indicator lamp should go out and the 
ABS is operational.
Have the system checked at your authorized 
Mercedes-Benz Center as soon as possible.
See page198 for notes on the antilock brake system 
(ABS).
BAS
ESP
ABS
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Malfunction and indicator lamps
Te ch n ica l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index
Telescoping steering column – indicator lamp
The indicator lamp in the instrument cluster 
comes on with the electronic key in steering 
lock position 2 and should go out with the 
engine running.
If the indicator lamp does not go out after starting the 
engine, the adjustable steering column is not properly 
locked.
For locking the adjustable telescoping steering column, 
see page
73.
Seat belt warning lamp
With the electronic key in steering lock 
position 2, the seat belt warning lamp comes 
on and a warning sounds for approx. 
6 seconds if the driver’s seat belt is not fastened.Malfunction and indicator lamps in the center 
console
AIRBAG OFF indicator lamp
The 7 indicator lamp will light up for approx. 
6 seconds when you turn the electronic key in steering 
lock to position 1 or 2.
The 7 indicator lamp stays lit as long as a 
BabySmart
TM compatible child seat is properly installed 
on the front passenger seat. It indicates that the front 
passenger airbag is switched off.
See page62for BabySmart
TM deac tiva tio n system.
BabySmart
TM is a trademark of Siemens Automotive Corp.
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Malfunction and warning messages
Te ch n ica l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index
Malfunction and warning messages in the 
multifunction display
Malfunction and warning messages for the following 
systems will be displayed immediately in the 
multifunction display.
 They are divided into three categories
These messages can be cleared from the instrument  Category C1:
Messages of most immediate priority.
using the  J button and  
  These cannot be clerared from the instrument cluster
using the     button.
Categories C2 and C3: 
Messages of less immediate priority.
are then stored in the 
malfunction message 
memory. See page100.Notes:
Certain malfunction and warning messages are 
accompanied by an audible signal.
Malfunction and warning messages in red are always 
accompanied by an audible signal.
Temporary messages such as “SWITCH OFF LIGHTS” 
will not be stored in the malfunction message memory.
Wa r n i n g !
All messages contain important information which 
should be taken note of and, where malfunction 
indicated, addressed as soon as possible at an 
authorized Mercedes-Benz Center.Failure to repair condition noted may cause 
damage not covered by the Mercedes-Benz Limited 
Warranty, or result in property damage or personal 
injury.  J
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Malfunction and warning messages
Te ch n ica l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index LIGHT SENSOR
With the electronic key removed and the driver’s door 
open, a warning sounds and the message “SWITCH OFF 
LIGHTS!” appears in the multifunction indicator if the 
vehicle’s exterior lamps (except standing lamps) are not 
switched off.STEER. WHEEL ADJUST.
For locking the adjustable telescoping steering column, 
see page73.
Line 1 Line 2
STEER. WHEEL ADJUST.
1  C*
* C = Category, see page 213
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Malfunction and warning messages
Te ch n ica l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index LIGHTING SYSTEMWhen the message appears after starting the engine, or 
if it comes on while driving, this indicates a failure in 
the parking lamp, taillamp, stop lamp, or low beam 
headlamp. See page256 for instructions on replacing 
bulbs.
If an exterior lamp fails, the message will appear only 
when that lamp is switched on.
If a brake lamp fails, the message will appear when 
applying the brake and stays on until the engine is 
turned off.
Note:
If additional lighting is installed (e.g. auxiliary 
headlamps etc.) be certain to connect into the fuse 
before the failure indicator monitoring unit order to 
avoid damaging the system.
Line 1 Line 2
LAMP DEFECTIVE CHECK LAMPS!
DISPLAY DEFECTIVE VISIT WORKSHOP!
2 C*
* C = Category, see page 2132
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Engine compartment
Te ch n ica l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hintsCar care Index
Hood
Warning!
To help prevent personal injury, stay clear of 
moving parts when the hood is open and the engine 
is running. Be sure the hood is properly closed 
before driving. When closing hood, use extreme 
caution not to catch hands or fingers.The engine is equipped with a transistorized 
ignition system. Because of the high voltage it is 
dangerous to touch any components (ignition coils, 
spark plug sockets, diagnostic socket) of the 
ignition system
• with the engine running,
• while starting the engine,
• if ignition is “on” and the engine is turned 
manually.If you see flames, steam or smoke coming from the 
engine compartment, or if the coolant temperature 
gauge indicates that the engine is overheated, do 
not open the hood. Move away from vehicle and do 
not open the hood until the engine has cooled. If 
necessary, call a fire department.To  o pen :
To unlock the hood, pull release lever (1) under the 
driver’s side of the instrument panel. At the same time a 
handle will extend out of the radiator grill (it may be 
necessary to lift the hood up slightly).
Caution!
To avoid damage to the windshield wiper or hood, open 
the hood only with wiper in the parked position.
P88.40-2025-26
1
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Jump starting
Te ch n ica l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hintsCar care Index
Jump starting
If the battery is discharged, the engine should be started 
with jumper cables and the (12 V) battery of another 
vehicle.
Only use 12 V battery to jump start your vehicle. Jump 
starting with more powerful battery could damage the 
vehicle’s electrical systems, which will not be covered 
by the Mercedes-Benz Limited Warranty.
The battery is located in the trunk under the trunk floor.
Warning!
Failure to follow these directions will cause 
damage to the electronic components, and can lead 
to a battery explosion and severe injury or death.Never lean over batteries while connecting or jump 
starting, you might get injured.Battery fluid contains sulfuric acid. Do not allow 
this fluid to come in contact with eyes, skin or 
clothing. In case it does, immediately flush affected 
area with water, and seek medical help if 
necessary.A battery will also produce hydrogen gas, which is 
flammable and very explosive. Keep flames or 
sparks away from battery, avoid improper 
connection of jumper cables, smoking etc..Read all instructions before proceeding.Proceed as follows:
1. Position the vehicle with the charged battery so that 
the jumper cables will reach, but never let the 
vehicles touch. Make sure the jumper cables do not 
have loose or missing insulation.
2. On both vehicles:
•Turn off engine and all lights and accessories, 
except hazard warning flashers or work lights.
•Apply parking brake and shift selector lever to 
position “P”.
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GGarage door opener.................................................... 157Gasoline
Additives .............................................................. 287Fuel requirements ................................................. 286Premium unleaded ................................................ 286
Glove box ................................................................... 148
Instrument cluster........................................................ 78
Activating display .................................................... 81Indicator lamps ....................................................... 80
Instrument lamps ........................................................ 81Instruments and controls ............................................. 18Interior
General notes ........................................................ 147
Interior lighting ......................................................... 145
HHazard warning flasher switch ....................................115Head restraints
Front .......................................................................49Rear.........................................................................50
Headlamp cleaning system ..........................................112Heated seats.................................................................53Hood .......................................................................... 233IIlluminated vanity mirrors ........................................147Indicator lamps in the instrument cluster ....................80Infant and child restraint systems .................................70
Installation...............................................................72
JJump starting ............................................................. 251LLIGHT SENSOR - malfunction and
warning messages ................................................ 221
Lighter ...................................................................... 151LIGHTING SYSTEM - malfunction and
warning messages ................................................ 222
Limp home mode (Automatic transmission)................ 183Loading instructions .................................................. 153Locking and unlocking ................................................ 29
295
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