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Home >> Mercedes Benz >> 1995 >> SL320 >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Exhaust System -- 129 Chassis >> Component Modifications >> Front exhaust pipes and catalytic converter - BT49.10-P-9404 >> Modified front exhaust pipes - BT49.10-P-9404-01D

Modified front exhaust pipes - BT49.10-P-9404-01D

ENGINE 104.944 as of 1.1.94 

ENGINE 104.994 as of 1.1.94 

ENGINE 111.92 

Model Year 1995 USA ONLY

ENGINE 111.94 as of 1.1.94 

ENGINE 111.96 as of 1.1.94 

PRODUCTION BREAKPOINT/MODIFICATIONS/NEW FEATURES

Engine LL RL Transmission Engine end no. as of Engine end no. up to Prod. period as of Prod. period up to Nature and reason for modification Reference/Remarks
104.944     1.1.94          
104.944     1.1.94          
111.92               Model year 1995 USA ONLY
111.94     1.1.94          
111.96     1.1.94          

Engines 104 944/994 

The resonance bodies of the front exhaust pipes have been discontinued since 01/1994

Fig 1: Identifying Front Exhaust Pipes
G04686523

Left-hand illustration engine 111.94/96 

Front exhaust pipes insulated downstream of flange connection in the firewall area

Production breakpoint  : 01/1994

A → model 124, B → model 202 

Right-hand illustration engine 111 in model 202 USA ONLY

Model year 1995

Single front exhaust pipe, insulated with air gap downstream of flange connection.

Lambda sensor installed in front exhaust pipe.

Fig 2: Identifying Front Exhaust Pipes
G04686524
Fig 3: Identifying Single Front Exhaust Pipe
G04686525