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Home >> Mercedes Benz >> 2014 >> CLA250 Base >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transmission - 117 Chassis >> Testing & Repair >> Check oil level in automatic transmission and correct if necessary. - AR27.00-P-0100NKB

Check oil level in automatic transmission and correct if necessary. - AR27.00-P-0100NKB

TRANSMISSION 724.0 in MODEL 117, 156, 176, 242, 246 

Shown on ENGINE 270 

Fig 1: Engine Air Intake Duct, Dipstick Guide Tube, Coolant Pipe, Cap & Locking Pin
G10250232DANGERDANGERIMPORTANTINSPECTIMPORTANTREFER TO MAINTENANCEREFER TO SELF-DIAGNOSTIC SYSTEMSNOTESREFER TO SELF-DIAGNOSTIC SYSTEMSIMPORTANTIMPORTANTIMPORTANTIMPORTANTIMPORTANTIMPORTANTIMPORTANTIMPORTANTSPECIAL TOOLFLUID SPECIFICATIONSPECIAL TOOLIMPORTANTIMPORTANTSPECIAL TOOLIMPORTANTSPECIAL TOOLSPECIAL TOOLFLUID SPECIFICATIONSPECIAL TOOLSPECIAL TOOLIMPORTANTIMPORTANTCourtesy of MERCEDES-BENZ USA
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
DANGER Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
IMPORTANT Notes on automatic transmission   AH27.19-P-0001-01NKB
INSPECT Check     
1 Lift vehicle on vehicle lift   AR00.60-P-1000AK
IMPORTANT The vehicle must be exactly horizontal in the longitudinal and transverse direction.  
2 Remove rear lower engine compartment paneling Model 117, 156, 176, 242, 246 with engine 270 with transmission 724.0
Model 156 with engine 607 with transmission 724.0
Model 156 with engine 651 with transmission 724.0
AR61.20-P-1105NKB
Model 117, 156, 176, 246 with engine 607 with transmission 724.0
Model 117, 176, 246 with engine 651 with transmission 724.0
AR94.30-P-5300NKB
3 Check transmission for leaktightness and external damage, and repair if necessary    
4 Perform oil change If necessary.  
REFER TO MAINTENANCE     AP27.00-P-2702NK 
5 Remove engine air intake duct (1) upstream of air filter Transmission 724.0 in model 117, 156, 176, 246 with engine 651 AR09.10-P-1150OLB
Transmission 724.0 in model 117, 156, 176, 242, 246.2 with engine 270 AR09.10-P-1150MT
Transmission 724.0 in model 117, 156, 176, 246 with engine 607 AR09.10-P-1150ORA
6 Read out fault memory using the diagnostic system and delete if necessary    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
7 Engage parking brake and start the engine NOTES
The transmission must be filled with transmission oil before starting the engine. The transmission will otherwise be damaged.
 
8 Perform commissioning using the diagnostic system    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
    IMPORTANT Conduct "Rev up" and "purge" sub items.  
9 Warm up engine at idle speed in selector lever position "P" IMPORTANT The transmission oil level can be checked at a transmission oil temperature of
40°C/104°F  or
70°C/158°F. 
A temperature tolerance of ±2°C or  ±3.6°F  is permissible for the measurement.
IMPORTANT Throughout the entire test, the parking brake must not be released and there must be no revving-up, and no other disturbance variables may be generated, that are not required for the work procedure. All these factors would result in the diagnostic system measurement being canceled and then require a restart.
 
10 Call up "Check transmission oil level" function in instrument cluster using diagnostic system IMPORTANT Before starting the oil level check the engine must have run for at least 2_minutes at idle speed.
IMPORTANT The following steps must be executed in the diagnostic system:
Check transmission oil level →
Diagnosis →
Routine →
Start sensor/actor calibration →
Check transmission oil level A11 →
Start function →
Run →
IMPORTANT During the oil level check an "F"  must flash on and off in the instrument cluster.
 
11 Release cap (93) IMPORTANT Break of locking pin (93a) using suitable tool and remove any residue in the cap (93) by pushing it downwards.  
12 Remove cap (93) from dipstick guide tube (2)    
13 Check transmission oil level at idle speed and repeat procedure 3 times   AR27.00-P-0100-01NKB
IMPORTANTSPECIAL TOOL Use lint-free cloth to wipe dipstick (01) between measurements.  
FLUID SPECIFICATION Transmission 724.0 in model 117, 156, 176, 242, 246 Refill quantity *BF27.00-P-1001-01F 
SPECIAL TOOL Dipstick Fig 3
14 Extract or add automatic transmission fluid If necessary.
IMPORTANT Observe Specifications for Operating Fluids.
IMPORTANT 200 ml to 250 ml of transmission oil lie between the scale values on the SPECIAL TOOL dipstick (interval 5 mm). To increase the oil level in the transmission by 1 mm, add approx. 50 ml of new automatic transmission fluid.
IMPORTANT To fill new automatic transmission fluid, use a SPECIAL TOOL funnel with filter function and always use new automatic transmission fluid. Replace the funnel filter SPECIAL TOOL before adding fluid.
 
FLUID SPECIFICATION TRANSMISSION 724.0 in MODEL 117, 156, 176, 242, 246 Refill quantity *BF27.00-P-1001-01F 
SPECIAL TOOL Funnel Fig 2
SPECIAL TOOL Hand pump Fig 4
15 Check transmission oil level at idle speed and repeat procedure 3 times If necessary.
IMPORTANT Check transmission oil level at a transmission oil temperature of
40°C/104°F  or
70°C/158°F. 
A temperature tolerance of ±2°C or  ±3.6°F  is permissible.
IMPORTANT After filling or extracting automatic transmission fluid, the oil level check must be checked again as in operation step 13.
 
16 Fit cap (93) onto dipstick guide tube (2) and press in new locking pin (93a) until it latches into place    
17 Disconnect diagnostic system from vehicle    
18 Perform engine test run and, with engine running, check transmission for leaks and that it is functioning correctly    
19 Install lower rear engine compartment paneling ENGINE 270, 607, 651  
Model 117, 156, 176, 242, 246 with engine 270 with transmission 724.0
Model 156 with engine 607 with transmission 724.0
Model 156 with engine 651 with transmission 724.0
AR61.20-P-1105NKB
Model 117, 176, 246 with engine 607 with transmission 724.0
Model 117, 176, 246 with engine 651 with transmission 724.0
AR94.30-P-5300NKB
20 Install engine air intake duct (1) upstream of air filter Transmission 724.0 in model 117, 156, 176, 246 with engine 651 AR09.10-P-1150OLB
Transmission 724.0 in model 117, 156, 176, 242, 246.2 with engine 270 AR09.10-P-1150MT
Transmission 724.0 in model 117, 156, 176, 246 with engine 607 AR09.10-P-1150ORA
AUTOMATIC TRANSMISSION

Number Designation Transmission 724.0 in model 117.312/342 Transmission 724.0 in model 117.301/308/343
BF27.00-P-1001-01F Refill quantity with oil change   Liter ≈4, 8 ≈5, 0
Specification Automatic transmission fluid (ATF, Specification 236.21). See https://bevo.mercedes-benz.com/index.php?language_id=1 Automatic transmission fluid (ATF, Specification 236.21). See https://bevo.mercedes-benz.com/index.php?language_id=1
Oil dipstick scale value at oil temperature 40 °C Scale value 2, 5 3
70 °C Scale value 3, 5 4
AUTOMATIC TRANSMISSION

Number Designation Transmission 724.0 in model 117.302/303/305/344/345/346/347/350/351/352 Transmission 724.0 in model 156.912/942
BF27.00-P-1001-01F Refill quantity with oil change   Liter ≈5, 3 ≈4, 8
Specification Automatic transmission fluid (ATF, Specification 236.21). See https://bevo.mercedes-benz.com/index.php?language_id=1 Automatic transmission fluid (ATF, Specification 236.21). See https://bevo.mercedes-benz.com/index.php?language_id=1
Oil dipstick scale value at oil temperature 40 °C Scale value 4 2, 5
70 °C Scale value 5 3, 5
AUTOMATIC TRANSMISSION

Number Designation Transmission 724.0 in model 156.908/943 Transmission 724.0 in model 156.902/903/905/944/945/946/952
BF27.00-P-1001-01F Refill quantity with oil change   Liter ≈5, 0 ≈5, 3
Specification Automatic transmission fluid (ATF, Specification 236.21). See https://bevo.mercedes-benz.com/index.php?language_id=1 Automatic transmission fluid (ATF, Specification 236.21). See https://bevo.mercedes-benz.com/index.php?language_id=1
Oil dipstick scale value at oil temperature 40 °C Scale value 3 4
70 °C Scale value 4 5
AUTOMATIC TRANSMISSION

Number Designation Transmission 724.0 in model 176.000/007/011/012/041/042 Transmission 724.0 in model 176.001/043
BF27.00-P-1001-01F Refill quantity with oil change   Liter ≈4, 8 ≈5, 0
Specification Automatic transmission fluid (ATF, Specification 236.21). See https://bevo.mercedes-benz.com/index.php?language_id=1 Automatic transmission fluid (ATF, Specification 236.21). See https://bevo.mercedes-benz.com/index.php?language_id=1
Oil dipstick scale value at oil temperature 40 °C Scale value 2, 5 3
70 °C Scale value 3, 5 4
AUTOMATIC TRANSMISSION

Number Designation Transmission 724.0 in model 176.002/003/005/044/046/047/050/051/05 2 Transmission 724.0 in model 242.848
BF27.00-P-1001-01F Refill quantity with oil change   Liter ≈5, 3 ≈5, 0
Specification Automatic transmission fluid (ATF, Specification 236.21). See https://bevo.mercedes-benz.com/index.php?language_id=1 Automatic transmission fluid (ATF, Specification 236.21). See https://bevo.mercedes-benz.com/index.php?language_id=1
Oil dipstick scale value at oil temperature 40 °C Scale value 4 3
70 °C Scale value 5 4
AUTOMATIC TRANSMISSION

Number Designation Transmission 724 in model 246.200/207/211/212/242 Transmission 724 in model 246.201/208/243
BF27.00-P-1001-01F Refill quantity with oil change   Liter ≈4, 8 ≈5, 0
Specification Automatic transmission fluid (ATF, Specification 236.21). See https://bevo.mercedes-benz.com/index.php?language_id=1 Automatic transmission fluid (ATF, Specification 236.21). See https://bevo.mercedes-benz.com/index.php?language_id=1
Oil dipstick scale value at oil temperature 40 °C Scale value 2, 5 3
70 °C Scale value 3, 5 4
AUTOMATIC TRANSMISSION

Number Designation Transmission 724 in model 246.202/203/205/244/246/247
BF27.00-P-1001-01F Refill quantity with oil change   Liter ≈5, 3
Specification Automatic transmission fluid (ATF, Specification 236.21). See https://bevo.mercedes-benz.com/index.php?language_id=1
Oil dipstick scale value at oil temperature 40 °C Scale value 4
70 °C Scale value 5
Fig 2: Funnel (126 589 12 63 00)
G09982231Courtesy of MERCEDES-BENZ USA
Fig 3: Dipstick (168 589 01 21 00)
G10115657Courtesy of MERCEDES-BENZ USA
Fig 4: Hand Pump (210 589 00 71 00)
G07742725Courtesy of MERCEDES-BENZ USA